diff options
Diffstat (limited to 'sysdeps/unix')
47 files changed, 1750 insertions, 68 deletions
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 6210830cce..074938c3da 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -82,4 +82,8 @@ libc { # u* umount2; } + GLIBC_2.2 { + # ipc ctl interface change. + semctl; shmctl; msgctl; + } } diff --git a/sysdeps/unix/sysv/linux/alpha/bits/ipc.h b/sysdeps/unix/sysv/linux/alpha/bits/ipc.h index 804e1ee3f7..0196fe490f 100644 --- a/sysdeps/unix/sysv/linux/alpha/bits/ipc.h +++ b/sysdeps/unix/sysv/linux/alpha/bits/ipc.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -47,15 +47,29 @@ struct ipc_perm unsigned int cgid; /* Creator's group ID. */ unsigned int mode; /* Read/write permission. */ unsigned short int __seq; /* Sequence number. */ + unsigned short int __pad1; + unsigned long int __unused1; + unsigned long int __unused2; }; +#ifdef __LIBC_IPC_INTERNAL +struct __old_ipc_perm + { + __key_t __key; /* Key. */ + unsigned int uid; /* Owner's user ID. */ + unsigned int gid; /* Owner's group ID. */ + unsigned int cuid; /* Creator's user ID. */ + unsigned int cgid; /* Creator's group ID. */ + unsigned int mode; /* Read/write permission. */ + unsigned short int __seq; /* Sequence number. */ + }; __BEGIN_DECLS /* The actual system call: all functions are multiplexed by this. */ -extern int __ipc __P ((int __call, int __first, int __second, int __third, - void *__ptr)); +extern int __ipc (int __call, int __first, int __second, int __third, + void *__ptr); __END_DECLS @@ -71,3 +85,5 @@ __END_DECLS #define IPCOP_shmdt 22 #define IPCOP_shmget 23 #define IPCOP_shmctl 24 + +#endif diff --git a/sysdeps/unix/sysv/linux/alpha/bits/msq.h b/sysdeps/unix/sysv/linux/alpha/bits/msq.h new file mode 100644 index 0000000000..a8d4cc6711 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/msq.h @@ -0,0 +1,87 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_MSG_H +# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." +#endif + +#include <sys/types.h> + +/* Define options for message queue functions. */ +#define MSG_NOERROR 010000 /* no error if message is too big */ +#define MSG_EXCEPT 020000 /* recv any msg except of specified type */ + + +/* Structure of record for one message inside the kernel. + The type `struct msg' is opaque. */ +struct msqid_ds +{ + struct ipc_perm msg_perm; /* structure describing operation permission */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + unsigned long int __msg_cbytes; /* current number of bytes on queue */ + unsigned long int msg_qnum; /* number of messages currently on queue */ + unsigned long int msg_qbytes; /* max number of bytes allowed on queue */ + pid_t msg_lspid; /* pid of last msgsnd() */ + pid_t msg_lrpid; /* pid of last msgrcv() */ + unsigned long int __unused1; + unsigned long int __unused2; +}; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_msqid_ds +{ + struct __old_ipc_perm msg_perm; /* structure describing operation permission */ + struct msg *__msg_first; /* pointer to first message on queue */ + struct msg *__msg_last; /* pointer to last message on queue */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + struct wait_queue *__wwait; /* ??? */ + struct wait_queue *__rwait; /* ??? */ + unsigned short int __msg_cbytes; /* current number of bytes on queue */ + unsigned short int msg_qnum; /* number of messages currently on queue */ + unsigned short int msg_qbytes; /* max number of bytes allowed on queue */ + __ipc_pid_t msg_lspid; /* pid of last msgsnd() */ + __ipc_pid_t msg_lrpid; /* pid of last msgrcv() */ +}; +#endif + +#ifdef __USE_MISC + +# define msg_cbytes __msg_cbytes + +/* ipcs ctl commands */ +# define MSG_STAT 11 +# define MSG_INFO 12 + +/* buffer for msgctl calls IPC_INFO, MSG_INFO */ +struct msginfo + { + int msgpool; + int msgmap; + int msgmax; + int msgmnb; + int msgmni; + int msgssz; + int msgtql; + unsigned short int msgseg; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sem.h b/sysdeps/unix/sysv/linux/alpha/bits/sem.h new file mode 100644 index 0000000000..19a3aa52cc --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/sem.h @@ -0,0 +1,99 @@ +/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." +#endif + +#include <sys/types.h> + +/* Flags for `semop'. */ +#define SEM_UNDO 0x1000 /* undo the operation on exit */ + +/* Commands for `semctl'. */ +#define GETPID 11 /* get sempid */ +#define GETVAL 12 /* get semval */ +#define GETALL 13 /* get all semval's */ +#define GETNCNT 14 /* get semncnt */ +#define GETZCNT 15 /* get semzcnt */ +#define SETVAL 16 /* set semval */ +#define SETALL 17 /* set all semval's */ + + +/* Data structure describing a set of semaphores. */ +struct semid_ds +{ + struct ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __time_t sem_ctime; /* last time changed by semctl() */ + unsigned long int sem_nsems; /* number of semaphores in set */ + unsigned long int __unused1; + unsigned long int __unused2; +}; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_semid_ds +{ + struct __old_ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __time_t sem_ctime; /* last time changed by semctl() */ + struct sem *__sembase; /* ptr to first semaphore in array */ + struct sem_queue *__sem_pending; /* pending operations */ + struct sem_queue *__sem_pending_last; /* last pending operation */ + struct sem_undo *__undo; /* ondo requests on this array */ + unsigned short int sem_nsems; /* number of semaphores in set */ +}; +#endif + +/* The user should define a union like the following to use it for arguments + for `semctl'. + + union semun + { + int val; <= value for SETVAL + struct semid_ds *buf; <= buffer for IPC_STAT & IPC_SET + unsigned short int *array; <= array for GETALL & SETALL + struct seminfo *__buf; <= buffer for IPC_INFO + }; + + Previous versions of this file used to define this union but this is + incorrect. One can test the macro _SEM_SEMUN_UNDEFINED to see whether + one must define the union or not. */ +#define _SEM_SEMUN_UNDEFINED 1 + +#ifdef __USE_MISC + +/* ipcs ctl cmds */ +# define SEM_STAT 18 +# define SEM_INFO 19 + +struct seminfo +{ + int semmap; + int semmni; + int semmns; + int semmnu; + int semmsl; + int semopm; + int semume; + int semusz; + int semvmx; + int semaem; +}; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/alpha/bits/shm.h b/sysdeps/unix/sysv/linux/alpha/bits/shm.h new file mode 100644 index 0000000000..4e297647b5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/bits/shm.h @@ -0,0 +1,113 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SHM_H +# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead." +#endif + +#include <sys/types.h> + +/* Permission flag for shmget. */ +#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */ +#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */ + +/* Flags for `shmat'. */ +#define SHM_RDONLY 010000 /* attach read-only else read-write */ +#define SHM_RND 020000 /* round attach address to SHMLBA */ +#define SHM_REMAP 040000 /* take-over region on attach */ + +/* Commands for `shmctl'. */ +#define SHM_LOCK 11 /* lock segment (root only) */ +#define SHM_UNLOCK 12 /* unlock segment (root only) */ + + +/* Data structure describing a set of semaphores. */ +struct shmid_ds + { + struct ipc_perm shm_perm; /* operation permission struct */ + size_t shm_segsz; /* size of segment in bytes */ + __time_t shm_atime; /* time of last shmat() */ + __time_t shm_dtime; /* time of last shmdt() */ + __time_t shm_ctime; /* time of last change by shmctl() */ + pid_t shm_cpid; /* pid of creator */ + pid_t shm_lpid; /* pid of last shmop */ + unsigned long int shm_nattch; /* number of current attaches */ + unsigned long int __unused1; + unsigned long int __unused2; + }; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_shmid_ds + { + struct __old_ipc_perm shm_perm; /* operation permission struct */ + int shm_segsz; /* size of segment in bytes */ + __time_t shm_atime; /* time of last shmat() */ + __time_t shm_dtime; /* time of last shmdt() */ + __time_t shm_ctime; /* time of last change by shmctl() */ + __ipc_pid_t shm_cpid; /* pid of creator */ + __ipc_pid_t shm_lpid; /* pid of last shmop */ + unsigned short int shm_nattch; /* number of current attaches */ + unsigned short int __shm_npages; /* size of segment (pages) */ + unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */ + struct vm_area_struct *__attaches; /* descriptors for attaches */ + }; +#endif + +#ifdef __USE_MISC + +/* ipcs ctl commands */ +# define SHM_STAT 13 +# define SHM_INFO 14 + +/* shm_mode upper byte flags */ +# define SHM_DEST 01000 /* segment will be destroyed on last detach */ +# define SHM_LOCKED 02000 /* segment will not be swapped */ + +struct shminfo + { + unsigned long int shmmax; + unsigned long int shmmin; + unsigned long int shmmni; + unsigned long int shmseg; + unsigned long int shmall; + unsigned long int __unused1; + unsigned long int __unused2; + unsigned long int __unused3; + unsigned long int __unused4; + }; + +struct __old_shminfo + { + int shmmax; + int shmmin; + int shmmni; + int shmseg; + int shmall; + }; + +struct shm_info + { + int used_ids; + unsigned long int shm_tot; /* total allocated shm */ + unsigned long int shm_rss; /* total resident shm */ + unsigned long int shm_swp; /* total swapped shm */ + unsigned long int swap_attempts; + unsigned long int swap_successes; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/bits/ipc.h b/sysdeps/unix/sysv/linux/bits/ipc.h new file mode 100644 index 0000000000..ef44edaf73 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/ipc.h @@ -0,0 +1,92 @@ +/* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_IPC_H +# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." +#endif + +#include <bits/types.h> + +/* Mode bits for `msgget', `semget', and `shmget'. */ +#define IPC_CREAT 01000 /* Create key if key does not exist. */ +#define IPC_EXCL 02000 /* Fail if key exists. */ +#define IPC_NOWAIT 04000 /* Return error on wait. */ + +/* Control commands for `msgctl', `semctl', and `shmctl'. */ +#define IPC_RMID 0 /* Remove identifier. */ +#define IPC_SET 1 /* Set `ipc_perm' options. */ +#define IPC_STAT 2 /* Get `ipc_perm' options. */ +#define IPC_INFO 3 /* See ipcs. */ + +/* Special key values. */ +#define IPC_PRIVATE ((__key_t) 0) /* Private key. */ + +#define __IPC_64 0x100 + + +/* Data structure used to pass permission information to IPC operations. */ +struct ipc_perm + { + __key_t __key; /* Key. */ + __uid_t uid; /* Owner's user ID. */ + __gid_t gid; /* Owner's group ID. */ + __uid_t cuid; /* Creator's user ID. */ + __gid_t cgid; /* Creator's group ID. */ + unsigned short int mode; /* Read/write permission. */ + unsigned short int __pad1; + unsigned short int __seq; /* Sequence number. */ + unsigned short int __pad2; + unsigned long int __unused1; + unsigned long int __unused2; + }; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_ipc_perm + { + __key_t __key; /* Key. */ + unsigned short int uid; /* Owner's user ID. */ + unsigned short int gid; /* Owner's group ID. */ + unsigned short int cuid; /* Creator's user ID. */ + unsigned short int cgid; /* Creator's group ID. */ + unsigned short int mode; /* Read/write permission. */ + unsigned short int __seq; /* Sequence number. */ + }; + +__BEGIN_DECLS + +/* The actual system call: all functions are multiplexed by this. */ +extern int __syscall_ipc (int __call, int __first, int __second, + int __third, void *__ptr); + +__END_DECLS + + +/* The codes for the functions to use the multiplexer `__syscall_ipc'. */ +#define IPCOP_semop 1 +#define IPCOP_semget 2 +#define IPCOP_semctl 3 +#define IPCOP_msgsnd 11 +#define IPCOP_msgrcv 12 +#define IPCOP_msgget 13 +#define IPCOP_msgctl 14 +#define IPCOP_shmat 21 +#define IPCOP_shmdt 22 +#define IPCOP_shmget 23 +#define IPCOP_shmctl 24 + +#endif /* __LIBC_IPC_INTERNAL */ diff --git a/sysdeps/unix/sysv/linux/bits/msq.h b/sysdeps/unix/sysv/linux/bits/msq.h new file mode 100644 index 0000000000..54582af308 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/msq.h @@ -0,0 +1,90 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_MSG_H +# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." +#endif + +#include <sys/types.h> + +/* Define options for message queue functions. */ +#define MSG_NOERROR 010000 /* no error if message is too big */ +#define MSG_EXCEPT 020000 /* recv any msg except of specified type */ + + +/* Structure of record for one message inside the kernel. + The type `struct msg' is opaque. */ +struct msqid_ds +{ + struct ipc_perm msg_perm; /* structure describing operation permission */ + __time_t msg_stime; /* time of last msgsnd command */ + unsigned long int __unused1; + __time_t msg_rtime; /* time of last msgrcv command */ + unsigned long int __unused2; + __time_t msg_ctime; /* time of last change */ + unsigned long int __unused3; + unsigned long int __msg_cbytes; /* current number of bytes on queue */ + unsigned long int msg_qnum; /* number of messages currently on queue */ + unsigned long int msg_qbytes; /* max number of bytes allowed on queue */ + pid_t msg_lspid; /* pid of last msgsnd() */ + pid_t msg_lrpid; /* pid of last msgrcv() */ + unsigned long int __unused4; + unsigned long int __unused5; +}; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_msqid_ds +{ + struct __old_ipc_perm msg_perm; /* structure describing operation permission */ + struct msg *__msg_first; /* pointer to first message on queue */ + struct msg *__msg_last; /* pointer to last message on queue */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + struct wait_queue *__wwait; /* ??? */ + struct wait_queue *__rwait; /* ??? */ + unsigned short int __msg_cbytes; /* current number of bytes on queue */ + unsigned short int msg_qnum; /* number of messages currently on queue */ + unsigned short int msg_qbytes; /* max number of bytes allowed on queue */ + __ipc_pid_t msg_lspid; /* pid of last msgsnd() */ + __ipc_pid_t msg_lrpid; /* pid of last msgrcv() */ +}; +#endif + +#ifdef __USE_MISC + +# define msg_cbytes __msg_cbytes + +/* ipcs ctl commands */ +# define MSG_STAT 11 +# define MSG_INFO 12 + +/* buffer for msgctl calls IPC_INFO, MSG_INFO */ +struct msginfo + { + int msgpool; + int msgmap; + int msgmax; + int msgmnb; + int msgmni; + int msgssz; + int msgtql; + unsigned short int msgseg; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/bits/sem.h b/sysdeps/unix/sysv/linux/bits/sem.h new file mode 100644 index 0000000000..9ebdfb6887 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/sem.h @@ -0,0 +1,101 @@ +/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." +#endif + +#include <sys/types.h> + +/* Flags for `semop'. */ +#define SEM_UNDO 0x1000 /* undo the operation on exit */ + +/* Commands for `semctl'. */ +#define GETPID 11 /* get sempid */ +#define GETVAL 12 /* get semval */ +#define GETALL 13 /* get all semval's */ +#define GETNCNT 14 /* get semncnt */ +#define GETZCNT 15 /* get semzcnt */ +#define SETVAL 16 /* set semval */ +#define SETALL 17 /* set all semval's */ + + +/* Data structure describing a set of semaphores. */ +struct semid_ds +{ + struct ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + unsigned long int __unused1; + __time_t sem_ctime; /* last time changed by semctl() */ + unsigned long int __unused2; + unsigned long int sem_nsems; /* number of semaphores in set */ + unsigned long int __unused3; + unsigned long int __unused4; +}; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_semid_ds +{ + struct __old_ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __time_t sem_ctime; /* last time changed by semctl() */ + struct sem *__sembase; /* ptr to first semaphore in array */ + struct sem_queue *__sem_pending; /* pending operations */ + struct sem_queue *__sem_pending_last; /* last pending operation */ + struct sem_undo *__undo; /* ondo requests on this array */ + unsigned short int sem_nsems; /* number of semaphores in set */ +}; +#endif + +/* The user should define a union like the following to use it for arguments + for `semctl'. + + union semun + { + int val; <= value for SETVAL + struct semid_ds *buf; <= buffer for IPC_STAT & IPC_SET + unsigned short int *array; <= array for GETALL & SETALL + struct seminfo *__buf; <= buffer for IPC_INFO + }; + + Previous versions of this file used to define this union but this is + incorrect. One can test the macro _SEM_SEMUN_UNDEFINED to see whether + one must define the union or not. */ +#define _SEM_SEMUN_UNDEFINED 1 + +#ifdef __USE_MISC + +/* ipcs ctl cmds */ +# define SEM_STAT 18 +# define SEM_INFO 19 + +struct seminfo +{ + int semmap; + int semmni; + int semmns; + int semmnu; + int semmsl; + int semopm; + int semume; + int semusz; + int semvmx; + int semaem; +}; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/bits/shm.h b/sysdeps/unix/sysv/linux/bits/shm.h new file mode 100644 index 0000000000..786555b067 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/shm.h @@ -0,0 +1,116 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SHM_H +# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead." +#endif + +#include <sys/types.h> + +/* Permission flag for shmget. */ +#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */ +#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */ + +/* Flags for `shmat'. */ +#define SHM_RDONLY 010000 /* attach read-only else read-write */ +#define SHM_RND 020000 /* round attach address to SHMLBA */ +#define SHM_REMAP 040000 /* take-over region on attach */ + +/* Commands for `shmctl'. */ +#define SHM_LOCK 11 /* lock segment (root only) */ +#define SHM_UNLOCK 12 /* unlock segment (root only) */ + + +/* Data structure describing a set of semaphores. */ +struct shmid_ds + { + struct ipc_perm shm_perm; /* operation permission struct */ + size_t shm_segsz; /* size of segment in bytes */ + __time_t shm_atime; /* time of last shmat() */ + unsigned long int __unused1; + __time_t shm_dtime; /* time of last shmdt() */ + unsigned long int __unused2; + __time_t shm_ctime; /* time of last change by shmctl() */ + unsigned long int __unused3; + pid_t shm_cpid; /* pid of creator */ + pid_t shm_lpid; /* pid of last shmop */ + unsigned long int shm_nattch; /* number of current attaches */ + unsigned long int __unused4; + unsigned long int __unused5; + }; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_shmid_ds + { + struct __old_ipc_perm shm_perm; /* operation permission struct */ + int shm_segsz; /* size of segment in bytes */ + __time_t shm_atime; /* time of last shmat() */ + __time_t shm_dtime; /* time of last shmdt() */ + __time_t shm_ctime; /* time of last change by shmctl() */ + __ipc_pid_t shm_cpid; /* pid of creator */ + __ipc_pid_t shm_lpid; /* pid of last shmop */ + unsigned short int shm_nattch; /* number of current attaches */ + unsigned short int __shm_npages; /* size of segment (pages) */ + unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */ + struct vm_area_struct *__attaches; /* descriptors for attaches */ + }; +#endif + +#ifdef __USE_MISC + +/* ipcs ctl commands */ +# define SHM_STAT 13 +# define SHM_INFO 14 + +/* shm_mode upper byte flags */ +# define SHM_DEST 01000 /* segment will be destroyed on last detach */ +# define SHM_LOCKED 02000 /* segment will not be swapped */ + +struct shminfo + { + unsigned long int shmmax; + unsigned long int shmmin; + unsigned long int shmmni; + unsigned long int shmseg; + unsigned long int shmall; + unsigned long int __unused1; + unsigned long int __unused2; + unsigned long int __unused3; + unsigned long int __unused4; + }; + +struct __old_shminfo + { + int shmmax; + int shmmin; + int shmmni; + int shmseg; + int shmall; + }; + +struct shm_info + { + int used_ids; + unsigned long int shm_tot; /* total allocated shm */ + unsigned long int shm_rss; /* total resident shm */ + unsigned long int shm_swp; /* total swapped shm */ + unsigned long int swap_attempts; + unsigned long int swap_successes; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/execve.c b/sysdeps/unix/sysv/linux/execve.c index 9093dcf88c..8f89206ac3 100644 --- a/sysdeps/unix/sysv/linux/execve.c +++ b/sysdeps/unix/sysv/linux/execve.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,7 +22,8 @@ #include <sysdep.h> #include <sys/syscall.h> -extern int __syscall_execve (const char *file, char **argv, char **envp); +extern int __syscall_execve (const char *file, char * const argv[], + char * const envp[]); extern void __pthread_kill_other_threads_np __P ((void)); weak_extern (__pthread_kill_other_threads_np) diff --git a/sysdeps/unix/sysv/linux/i386/chown.c b/sysdeps/unix/sysv/linux/i386/chown.c index 9addfd0598..8652d0f097 100644 --- a/sysdeps/unix/sysv/linux/i386/chown.c +++ b/sysdeps/unix/sysv/linux/i386/chown.c @@ -38,7 +38,7 @@ */ extern int __syscall_chown (const char *__file, - uid_t __owner, gid_t __group); + __kernel_uid_t __owner, __kernel_gid_t __group); #if defined __NR_lchown || __ASSUME_LCHOWN_SYSCALL > 0 /* Running under Linux > 2.1.80. */ @@ -76,6 +76,13 @@ __real_chown (const char *file, uid_t owner, gid_t group) __libc_missing_32bit_uids = 1; } # endif /* __NR_chown32 */ + if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) + { + __set_errno (EINVAL); + return -1; + } + result = INLINE_SYSCALL (chown, 3, file, owner, group); if (result >= 0 || errno != ENOSYS) @@ -105,6 +112,13 @@ __real_chown (const char *file, uid_t owner, gid_t group) __libc_missing_32bit_uids = 1; } # endif /* __NR_chown32 */ + if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) + { + __set_errno (EINVAL); + return -1; + } + return INLINE_SYSCALL (chown, 3, file, owner, group); # endif } diff --git a/sysdeps/unix/sysv/linux/i386/fchown.c b/sysdeps/unix/sysv/linux/i386/fchown.c index 7d4c360dbd..5a84d4170e 100644 --- a/sysdeps/unix/sysv/linux/i386/fchown.c +++ b/sysdeps/unix/sysv/linux/i386/fchown.c @@ -59,8 +59,8 @@ __fchown (int fd, uid_t owner, gid_t group) } # endif /* __NR_fchown32 */ - if ( (owner != (uid_t) ((__kernel_uid_t) owner)) || - (group != (gid_t) ((__kernel_gid_t) group)) ) + if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) { __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/lchown.c b/sysdeps/unix/sysv/linux/i386/lchown.c index 86ff7d518d..2d8e8fb998 100644 --- a/sysdeps/unix/sysv/linux/i386/lchown.c +++ b/sysdeps/unix/sysv/linux/i386/lchown.c @@ -60,8 +60,8 @@ __lchown (const char *file, uid_t owner, gid_t group) } # endif /* __NR_lchown32 */ - if ( (owner != (uid_t) ((__kernel_uid_t) owner)) || - (group != (gid_t) ((__kernel_gid_t) group)) ) + if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) { __set_errno (EINVAL); return -1; @@ -76,4 +76,3 @@ weak_alias (__lchown, lchown) #else # include <sysdeps/generic/lchown.c> #endif - diff --git a/sysdeps/unix/sysv/linux/i386/setregid.c b/sysdeps/unix/sysv/linux/i386/setregid.c index 4f00d30bc6..b4d0a2a116 100644 --- a/sysdeps/unix/sysv/linux/i386/setregid.c +++ b/sysdeps/unix/sysv/linux/i386/setregid.c @@ -59,8 +59,8 @@ __setregid (gid_t rgid, gid_t egid) __libc_missing_32bit_uids = 1; } # endif /* __NR_setregid32 */ - if ((rgid != (gid_t) -1 && rgid != (gid_t) (__kernel_gid_t) rgid) - || (egid != (gid_t) -1 && egid != (gid_t) (__kernel_gid_t) egid)) + if (((rgid + 1) > (gid_t) ((__kernel_gid_t) -1U)) + || ((egid + 1) > (gid_t) ((__kernel_gid_t) -1U))) { __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/setresgid.c b/sysdeps/unix/sysv/linux/i386/setresgid.c index 45dbcc8485..97bb97469c 100644 --- a/sysdeps/unix/sysv/linux/i386/setresgid.c +++ b/sysdeps/unix/sysv/linux/i386/setresgid.c @@ -62,9 +62,9 @@ setresgid (gid_t rgid, gid_t egid, gid_t sgid) } # endif /* __NR_setresgid32 */ - if ((rgid != (gid_t) -1 && rgid != (gid_t) (__kernel_gid_t) rgid) - || (egid != (gid_t) -1 && egid != (gid_t) (__kernel_gid_t) egid) - || (sgid != (gid_t) -1 && sgid != (gid_t) (__kernel_gid_t) sgid)) + if (((rgid + 1) > (gid_t) ((__kernel_gid_t) -1U)) + || ((egid + 1) > (gid_t) ((__kernel_gid_t) -1U)) + || ((sgid + 1) > (gid_t) ((__kernel_gid_t) -1U))) { __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c index 90214526ab..94fc79ba5c 100644 --- a/sysdeps/unix/sysv/linux/i386/setresuid.c +++ b/sysdeps/unix/sysv/linux/i386/setresuid.c @@ -44,7 +44,7 @@ extern int __libc_missing_32bit_uids; int __setresuid (uid_t ruid, uid_t euid, uid_t suid) { -# if __ASSUME_32BITUIDS > 0 +# if __ASSUME_32BITUIDS > 0 return INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid); # else # ifdef __NR_setresuid32 @@ -62,9 +62,9 @@ __setresuid (uid_t ruid, uid_t euid, uid_t suid) } # endif /* __NR_setresuid32 */ - if ((ruid != (uid_t) -1 && ruid != (uid_t) (__kernel_uid_t) ruid) - || (euid != (uid_t) -1 && euid != (uid_t) (__kernel_uid_t) euid) - || (suid != (uid_t) -1 && suid != (uid_t) (__kernel_uid_t) suid)) + if (((ruid + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((euid + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((suid + 1) > (uid_t) ((__kernel_uid_t) -1U))) { __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c index 58ddff2b00..b660604152 100644 --- a/sysdeps/unix/sysv/linux/i386/setreuid.c +++ b/sysdeps/unix/sysv/linux/i386/setreuid.c @@ -59,8 +59,8 @@ __setreuid (uid_t ruid, uid_t euid) __libc_missing_32bit_uids = 1; } # endif /* __NR_setreuid32 */ - if ((ruid != (uid_t) -1 && ruid != (uid_t) (__kernel_uid_t) ruid) - || (euid != (uid_t) -1 && euid != (uid_t) (__kernel_uid_t) euid)) + if (((ruid + 1) > (uid_t) ((__kernel_uid_t) -1U)) + || ((euid + 1) > (uid_t) ((__kernel_uid_t) -1U))) { __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index f7bdf4808b..626b116242 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -66,7 +66,7 @@ #endif /* When did the `setresuid' sysall became available? */ -#if __LINUX_KERNEL_VERSION >= 131584 +#if __LINUX_KERNEL_VERSION >= 131584 && !defined __sparc__ # define __ASSUME_SETRESUID_SYSCALL 1 #endif @@ -106,4 +106,7 @@ /* Linux 2.3.39 introduced 32bit UID/GIDs. */ #if __LINUX_KERNEL_VERSION >= 131879 # define __ASSUME_32BITUIDS 1 +# ifdef __sparc__ +# define __ASSUME_SETRESUID_SYSCALL 1 +# endif #endif diff --git a/sysdeps/unix/sysv/linux/m68k/chown.c b/sysdeps/unix/sysv/linux/m68k/chown.c index c27da95944..4e7625c13e 100644 --- a/sysdeps/unix/sysv/linux/m68k/chown.c +++ b/sysdeps/unix/sysv/linux/m68k/chown.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. +/* Copyright (C) 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,21 +24,28 @@ #include <linux/posix_types.h> -#include <sysdeps/unix/sysv/linux/32bit_uid_compat.h> - extern int __syscall_chown (const char *__file, - uid_t __owner, gid_t __group); + __kernel_uid_t __owner, __kernel_gid_t __group); #ifdef __NR_chown32 extern int __syscall_chown32 (const char *__file, __kernel_uid32_t owner, __kernel_gid32_t group); + +# if __ASSUME_32BITUIDS == 0 +/* This variable is shared with all files that need to check for 32bit + uids. */ +extern int __libc_missing_32bit_uids; +# endif #endif /* __NR_chown32 */ int __chown (const char *file, uid_t owner, gid_t group) { -#ifdef __NR_chown32 - if (__libc_missing_32bit_uids != NO_HIGHUIDS) +#if __ASSUME_32BITUIDS + return INLINE_SYSCALL (chown32, 3, file, owner, group); +#else +# ifdef __NR_chown32 + if (!__libc_missing_32bit_uids) { int result; int saved_errno = errno; @@ -48,10 +55,18 @@ __chown (const char *file, uid_t owner, gid_t group) return result; __set_errno (saved_errno); - __libc_missing_32bit_uids = NO_HIGHUIDS; + __libc_missing_32bit_uids = 1; + } +# endif /* __NR_chown32 */ + + if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U))) + { + __set_errno (EINVAL); + return -1; } -#endif /* __NR_chown32 */ return INLINE_SYSCALL (chown, 3, file, owner, group); +#endif } weak_alias (__chown, chown) diff --git a/sysdeps/unix/sysv/linux/msgctl.c b/sysdeps/unix/sysv/linux/msgctl.c index 7f0d7c55a4..ef3c92235c 100644 --- a/sysdeps/unix/sysv/linux/msgctl.c +++ b/sysdeps/unix/sysv/linux/msgctl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,20 +17,95 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/msg.h> #include <sysdep.h> +#include <string.h> #include <sys/syscall.h> +#include "kernel-features.h" + /* Allows to control internal state and destruction of message queue objects. */ +int __old_msgctl (int, int, struct __old_msqid_ds *); +int __new_msgctl (int, int, struct msqid_ds *); int -msgctl (msqid, cmd, buf) - int msqid; - int cmd; - struct msqid_ds *buf; +__old_msgctl (int msqid, int cmd, struct __old_msqid_ds *buf) { return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, buf); } + +int +__new_msgctl (int msqid, int cmd, struct msqid_ds *buf) +{ +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf); +#else + switch (cmd) { + case MSG_STAT: + case IPC_STAT: + case IPC_SET: + break; + default: + return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, buf); + } + + { + int save_errno = errno, result; + struct __old_msqid_ds old; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new msgctl. */ + result = INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd | __IPC_64, 0, buf); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + if (cmd == IPC_SET) + { + old.msg_perm.uid = buf->msg_perm.uid; + old.msg_perm.gid = buf->msg_perm.gid; + old.msg_perm.mode = buf->msg_perm.mode; + old.msg_qbytes = buf->msg_qbytes; + if (old.msg_perm.uid != buf->msg_perm.uid || + old.msg_perm.gid != buf->msg_perm.gid || + old.msg_qbytes != buf->msg_qbytes) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, &old); + if (result != -1 && cmd != IPC_SET) + { + memset(buf, 0, sizeof(*buf)); + buf->msg_perm.__key = old.msg_perm.__key; + buf->msg_perm.uid = old.msg_perm.uid; + buf->msg_perm.gid = old.msg_perm.gid; + buf->msg_perm.cuid = old.msg_perm.cuid; + buf->msg_perm.cgid = old.msg_perm.cgid; + buf->msg_perm.mode = old.msg_perm.mode; + buf->msg_perm.__seq = old.msg_perm.__seq; + buf->msg_stime = old.msg_stime; + buf->msg_rtime = old.msg_rtime; + buf->msg_ctime = old.msg_ctime; + buf->__msg_cbytes = old.__msg_cbytes; + buf->msg_qnum = old.msg_qnum; + buf->msg_qbytes = old.msg_qbytes; + buf->msg_lspid = old.msg_lspid; + buf->msg_lrpid = old.msg_lrpid; + } + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_msgctl, msgctl, GLIBC_2.2); +symbol_version (__old_msgctl, msgctl, GLIBC_2.0); +#else +weak_alias (__new_msgctl, msgctl); +#endif diff --git a/sysdeps/unix/sysv/linux/msgget.c b/sysdeps/unix/sysv/linux/msgget.c index f9788d6e54..949f0c031a 100644 --- a/sysdeps/unix/sysv/linux/msgget.c +++ b/sysdeps/unix/sysv/linux/msgget.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/msg.h> #include <stdlib.h> /* for definition of NULL */ diff --git a/sysdeps/unix/sysv/linux/msgrcv.c b/sysdeps/unix/sysv/linux/msgrcv.c index 30169fb3a6..232d8463e5 100644 --- a/sysdeps/unix/sysv/linux/msgrcv.c +++ b/sysdeps/unix/sysv/linux/msgrcv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/msg.h> diff --git a/sysdeps/unix/sysv/linux/msgsnd.c b/sysdeps/unix/sysv/linux/msgsnd.c index af6df3d4a7..9fdb00960b 100644 --- a/sysdeps/unix/sysv/linux/msgsnd.c +++ b/sysdeps/unix/sysv/linux/msgsnd.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/msg.h> @@ -30,5 +31,5 @@ msgsnd (msqid, msgp, msgsz, msgflg) size_t msgsz; int msgflg; { - return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz, msgflg, msgp); + return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp); } diff --git a/sysdeps/unix/sysv/linux/pwrite64.c b/sysdeps/unix/sysv/linux/pwrite64.c index 236cbd7d49..c1888962d2 100644 --- a/sysdeps/unix/sysv/linux/pwrite64.c +++ b/sysdeps/unix/sysv/linux/pwrite64.c @@ -27,8 +27,8 @@ #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 -extern ssize_t __syscall_pwrite64 (int fd, const void *buf, size_t count, - off_t offset_hi, off_t offset_lo); +extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count, + off_t offset_hi, off_t offset_lo); # if __ASSUME_PWRITE_SYSCALL == 0 static ssize_t __emulate_pwrite64 (int fd, const void *buf, size_t count, diff --git a/sysdeps/unix/sysv/linux/semctl.c b/sysdeps/unix/sysv/linux/semctl.c index 7a29d7c109..40417b4f1d 100644 --- a/sysdeps/unix/sysv/linux/semctl.c +++ b/sysdeps/unix/sysv/linux/semctl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,13 +17,17 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <stdarg.h> #include <sys/sem.h> #include <sysdep.h> +#include <string.h> #include <sys/syscall.h> +#include "kernel-features.h" + /* Define a `union semun' suitable for Linux here. */ union semun { @@ -36,9 +40,11 @@ union semun /* Return identifier for array of NSEMS semaphores associated with KEY. */ +int __old_semctl (int semid, int semnum, int cmd, ...); +int __new_semctl (int semid, int semnum, int cmd, ...); int -semctl (int semid, int semnum, int cmd, ...) +__old_semctl (int semid, int semnum, int cmd, ...) { union semun arg; va_list ap; @@ -52,3 +58,81 @@ semctl (int semid, int semnum, int cmd, ...) return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg); } + +int +__new_semctl (int semid, int semnum, int cmd, ...) +{ + union semun arg; + va_list ap; + + va_start (ap, cmd); + + /* Get the argument. */ + arg = va_arg (ap, union semun); + + va_end (ap); + +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg); +#else + switch (cmd) { + case SEM_STAT: + case IPC_STAT: + case IPC_SET: + break; + default: + return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg); + } + + { + int save_errno = errno, result; + struct __old_semid_ds old; + struct semid_ds *buf; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new semctl. */ + result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, &arg); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + buf = arg.buf; + arg.buf = (struct semid_ds *)&old; + if (cmd == IPC_SET) + { + old.sem_perm.uid = buf->sem_perm.uid; + old.sem_perm.gid = buf->sem_perm.gid; + old.sem_perm.mode = buf->sem_perm.mode; + if (old.sem_perm.uid != buf->sem_perm.uid || + old.sem_perm.gid != buf->sem_perm.gid) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg); + if (result != -1 && cmd != IPC_SET) + { + memset(buf, 0, sizeof(*buf)); + buf->sem_perm.__key = old.sem_perm.__key; + buf->sem_perm.uid = old.sem_perm.uid; + buf->sem_perm.gid = old.sem_perm.gid; + buf->sem_perm.cuid = old.sem_perm.cuid; + buf->sem_perm.cgid = old.sem_perm.cgid; + buf->sem_perm.mode = old.sem_perm.mode; + buf->sem_perm.__seq = old.sem_perm.__seq; + buf->sem_otime = old.sem_otime; + buf->sem_ctime = old.sem_ctime; + buf->sem_nsems = old.sem_nsems; + } + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_semctl, semctl, GLIBC_2.2); +symbol_version (__old_semctl, semctl, GLIBC_2.0); +#else +weak_alias (__new_semctl, semctl); +#endif diff --git a/sysdeps/unix/sysv/linux/semget.c b/sysdeps/unix/sysv/linux/semget.c index 60a150a9fd..bfb102337e 100644 --- a/sysdeps/unix/sysv/linux/semget.c +++ b/sysdeps/unix/sysv/linux/semget.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/sem.h> #include <stdlib.h> /* for definition of NULL */ diff --git a/sysdeps/unix/sysv/linux/semop.c b/sysdeps/unix/sysv/linux/semop.c index 33fd289cc4..8b0d3573a0 100644 --- a/sysdeps/unix/sysv/linux/semop.c +++ b/sysdeps/unix/sysv/linux/semop.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/sem.h> diff --git a/sysdeps/unix/sysv/linux/shmat.c b/sysdeps/unix/sysv/linux/shmat.c index 6e25d452a3..8dccb35b6b 100644 --- a/sysdeps/unix/sysv/linux/shmat.c +++ b/sysdeps/unix/sysv/linux/shmat.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/shm.h> diff --git a/sysdeps/unix/sysv/linux/shmctl.c b/sysdeps/unix/sysv/linux/shmctl.c index 890e700a30..d9722ccc84 100644 --- a/sysdeps/unix/sysv/linux/shmctl.c +++ b/sysdeps/unix/sysv/linux/shmctl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,19 +17,109 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/shm.h> #include <sysdep.h> +#include <string.h> #include <sys/syscall.h> +#include <bits/wordsize.h> + +#include "kernel-features.h" /* Provide operations to control over shared memory segments. */ +int __old_shmctl (int, int, struct __old_shmid_ds *); +int __new_shmctl (int, int, struct shmid_ds *); int -shmctl (shmid, cmd, buf) - int shmid; - int cmd; - struct shmid_ds *buf; +__old_shmctl (int shmid, int cmd, struct __old_shmid_ds *buf) { return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf); } + +int +__new_shmctl (int shmid, int cmd, struct shmid_ds *buf) +{ +#if __ASSUME_32BITUIDS > 0 + return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf); +#else + switch (cmd) { + case SHM_STAT: + case IPC_STAT: + case IPC_SET: +#if __WORDSIZE != 32 + case IPC_INFO: +#endif + break; + default: + return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf); + } + + { + int save_errno = errno, result; + struct __old_shmid_ds old; + + /* Unfortunately there is no way how to find out for sure whether + we should use old or new shmctl. */ + result = INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd | __IPC_64, 0, buf); + if (result != -1 || errno != EINVAL) + return result; + + __set_errno(save_errno); + if (cmd == IPC_SET) + { + old.shm_perm.uid = buf->shm_perm.uid; + old.shm_perm.gid = buf->shm_perm.gid; + old.shm_perm.mode = buf->shm_perm.mode; + if (old.shm_perm.uid != buf->shm_perm.uid || + old.shm_perm.gid != buf->shm_perm.gid) + { + __set_errno (EINVAL); + return -1; + } + } + result = INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, &old); + if (result != -1 && (cmd == SHM_STAT || cmd == IPC_STAT)) + { + memset(buf, 0, sizeof(*buf)); + buf->shm_perm.__key = old.shm_perm.__key; + buf->shm_perm.uid = old.shm_perm.uid; + buf->shm_perm.gid = old.shm_perm.gid; + buf->shm_perm.cuid = old.shm_perm.cuid; + buf->shm_perm.cgid = old.shm_perm.cgid; + buf->shm_perm.mode = old.shm_perm.mode; + buf->shm_perm.__seq = old.shm_perm.__seq; + buf->shm_atime = old.shm_atime; + buf->shm_dtime = old.shm_dtime; + buf->shm_ctime = old.shm_ctime; + buf->shm_segsz = old.shm_segsz; + buf->shm_nattch = old.shm_nattch; + buf->shm_cpid = old.shm_cpid; + buf->shm_lpid = old.shm_lpid; + } +#if __WORDSIZE != 32 + else if (result != -1 && cmd == IPC_INFO) + { + struct __old_shminfo *oldi = (struct __old_shminfo *)&old; + struct shminfo *i = (struct shminfo *)buf; + + memset(i, 0, sizeof(*i)); + i->shmmax = oldi->shmmax; + i->shmmin = oldi->shmmin; + i->shmmni = oldi->shmmni; + i->shmseg = oldi->shmseg; + i->shmall = oldi->shmall; + } +#endif + return result; + } +#endif +} + +#if defined PIC && DO_VERSIONING +default_symbol_version (__new_shmctl, shmctl, GLIBC_2.2); +symbol_version (__old_shmctl, shmctl, GLIBC_2.0); +#else +weak_alias (__new_shmctl, shmctl); +#endif diff --git a/sysdeps/unix/sysv/linux/shmdt.c b/sysdeps/unix/sysv/linux/shmdt.c index 1d1a1847d1..9cd6b11fcb 100644 --- a/sysdeps/unix/sysv/linux/shmdt.c +++ b/sysdeps/unix/sysv/linux/shmdt.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/shm.h> diff --git a/sysdeps/unix/sysv/linux/shmget.c b/sysdeps/unix/sysv/linux/shmget.c index d9f5ba036b..416dc9a44e 100644 --- a/sysdeps/unix/sysv/linux/shmget.c +++ b/sysdeps/unix/sysv/linux/shmget.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, August 1995. @@ -17,6 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __LIBC_IPC_INTERNAL #include <errno.h> #include <sys/shm.h> #include <stdlib.h> /* for definition of NULL */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/ipc.h b/sysdeps/unix/sysv/linux/sparc/bits/ipc.h new file mode 100644 index 0000000000..1a479248a5 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/bits/ipc.h @@ -0,0 +1,98 @@ +/* Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_IPC_H +# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead." +#endif + +#include <bits/types.h> +#include <bits/wordsize.h> + +/* Mode bits for `msgget', `semget', and `shmget'. */ +#define IPC_CREAT 01000 /* Create key if key does not exist. */ +#define IPC_EXCL 02000 /* Fail if key exists. */ +#define IPC_NOWAIT 04000 /* Return error on wait. */ + +/* Control commands for `msgctl', `semctl', and `shmctl'. */ +#define IPC_RMID 0 /* Remove identifier. */ +#define IPC_SET 1 /* Set `ipc_perm' options. */ +#define IPC_STAT 2 /* Get `ipc_perm' options. */ +#define IPC_INFO 3 /* See ipcs. */ + +/* Special key values. */ +#define IPC_PRIVATE ((__key_t) 0) /* Private key. */ + +#define __IPC_64 0x100 + + +/* Data structure used to pass permission information to IPC operations. */ +struct ipc_perm + { + __key_t __key; /* Key. */ + __uid_t uid; /* Owner's user ID. */ + __gid_t gid; /* Owner's group ID. */ + __uid_t cuid; /* Creator's user ID. */ + __gid_t cgid; /* Creator's group ID. */ +#if __WORDSIZE == 32 + unsigned short int __pad1; + unsigned short int mode; /* Read/write permission. */ + unsigned short int __pad2; +#else + unsigned int mode; /* Read/write permission. */ + unsigned short int __pad1; +#endif + unsigned short int __seq; /* Sequence number. */ + unsigned long long int __unused1; + unsigned long long int __unused2; + }; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_ipc_perm + { + __key_t __key; /* Key. */ + unsigned short int uid; /* Owner's user ID. */ + unsigned short int gid; /* Owner's group ID. */ + unsigned short int cuid; /* Creator's user ID. */ + unsigned short int cgid; /* Creator's group ID. */ + unsigned short int mode; /* Read/write permission. */ + unsigned short int __seq; /* Sequence number. */ + }; + +__BEGIN_DECLS + +/* The actual system call: all functions are multiplexed by this. */ +extern int __syscall_ipc (int __call, int __first, int __second, + int __third, void *__ptr); + +__END_DECLS + + +/* The codes for the functions to use the multiplexer `__syscall_ipc'. */ +#define IPCOP_semop 1 +#define IPCOP_semget 2 +#define IPCOP_semctl 3 +#define IPCOP_msgsnd 11 +#define IPCOP_msgrcv 12 +#define IPCOP_msgget 13 +#define IPCOP_msgctl 14 +#define IPCOP_shmat 21 +#define IPCOP_shmdt 22 +#define IPCOP_shmget 23 +#define IPCOP_shmctl 24 + +#endif /* __LIBC_IPC_INTERNAL */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/msq.h b/sysdeps/unix/sysv/linux/sparc/bits/msq.h new file mode 100644 index 0000000000..c5095083c8 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/bits/msq.h @@ -0,0 +1,99 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_MSG_H +# error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." +#endif + +#include <sys/types.h> +#include <bits/wordsize.h> + +/* Define options for message queue functions. */ +#define MSG_NOERROR 010000 /* no error if message is too big */ +#define MSG_EXCEPT 020000 /* recv any msg except of specified type */ + + +/* Structure of record for one message inside the kernel. + The type `struct msg' is opaque. */ +struct msqid_ds +{ + struct ipc_perm msg_perm; /* structure describing operation permission */ +#if __WORDSIZE == 32 + unsigned int __pad1; +#endif + __time_t msg_stime; /* time of last msgsnd command */ +#if __WORDSIZE == 32 + unsigned int __pad2; +#endif + __time_t msg_rtime; /* time of last msgrcv command */ +#if __WORDSIZE == 32 + unsigned int __pad3; +#endif + __time_t msg_ctime; /* time of last change */ + unsigned long int __msg_cbytes; /* current number of bytes on queue */ + unsigned long int msg_qnum; /* number of messages currently on queue */ + unsigned long int msg_qbytes; /* max number of bytes allowed on queue */ + pid_t msg_lspid; /* pid of last msgsnd() */ + pid_t msg_lrpid; /* pid of last msgrcv() */ + unsigned long int __unused1; + unsigned long int __unused2; +}; + +#ifdef __LIBC_IPC_INTERNAL + +struct __old_msqid_ds +{ + struct __old_ipc_perm msg_perm; /* structure describing operation permission */ + struct msg *__msg_first; /* pointer to first message on queue */ + struct msg *__msg_last; /* pointer to last message on queue */ + __time_t msg_stime; /* time of last msgsnd command */ + __time_t msg_rtime; /* time of last msgrcv command */ + __time_t msg_ctime; /* time of last change */ + struct wait_queue *__wwait; /* ??? */ + struct wait_queue *__rwait; /* ??? */ + unsigned short int __msg_cbytes; /* current number of bytes on queue */ + unsigned short int msg_qnum; /* number of messages currently on queue */ + unsigned short int msg_qbytes; /* max number of bytes allowed on queue */ + __ipc_pid_t msg_lspid; /* pid of last msgsnd() */ + __ipc_pid_t msg_lrpid; /* pid of last msgrcv() */ +}; + +#endif + +#ifdef __USE_MISC + +# define msg_cbytes __msg_cbytes + +/* ipcs ctl commands */ +# define MSG_STAT 11 +# define MSG_INFO 12 + +/* buffer for msgctl calls IPC_INFO, MSG_INFO */ +struct msginfo + { + int msgpool; + int msgmap; + int msgmax; + int msgmnb; + int msgmni; + int msgssz; + int msgtql; + unsigned short int msgseg; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/sem.h b/sysdeps/unix/sysv/linux/sparc/bits/sem.h new file mode 100644 index 0000000000..92906bc81b --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/bits/sem.h @@ -0,0 +1,106 @@ +/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SEM_H +# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead." +#endif + +#include <sys/types.h> +#include <bits/wordsize.h> + +/* Flags for `semop'. */ +#define SEM_UNDO 0x1000 /* undo the operation on exit */ + +/* Commands for `semctl'. */ +#define GETPID 11 /* get sempid */ +#define GETVAL 12 /* get semval */ +#define GETALL 13 /* get all semval's */ +#define GETNCNT 14 /* get semncnt */ +#define GETZCNT 15 /* get semzcnt */ +#define SETVAL 16 /* set semval */ +#define SETALL 17 /* set all semval's */ + + +/* Data structure describing a set of semaphores. */ +struct semid_ds +{ + struct ipc_perm sem_perm; /* operation permission struct */ +#if __WORDSIZE == 32 + unsigned int __pad1; +#endif + __time_t sem_otime; /* last semop() time */ +#if __WORDSIZE == 32 + unsigned int __pad2; +#endif + __time_t sem_ctime; /* last time changed by semctl() */ + unsigned long int sem_nsems; /* number of semaphores in set */ + unsigned long int __unused1; + unsigned long int __unused2; +}; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_semid_ds +{ + struct __old_ipc_perm sem_perm; /* operation permission struct */ + __time_t sem_otime; /* last semop() time */ + __time_t sem_ctime; /* last time changed by semctl() */ + struct sem *__sembase; /* ptr to first semaphore in array */ + struct sem_queue *__sem_pending; /* pending operations */ + struct sem_queue *__sem_pending_last; /* last pending operation */ + struct sem_undo *__undo; /* ondo requests on this array */ + unsigned short int sem_nsems; /* number of semaphores in set */ +}; +#endif + +/* The user should define a union like the following to use it for arguments + for `semctl'. + + union semun + { + int val; <= value for SETVAL + struct semid_ds *buf; <= buffer for IPC_STAT & IPC_SET + unsigned short int *array; <= array for GETALL & SETALL + struct seminfo *__buf; <= buffer for IPC_INFO + }; + + Previous versions of this file used to define this union but this is + incorrect. One can test the macro _SEM_SEMUN_UNDEFINED to see whether + one must define the union or not. */ +#define _SEM_SEMUN_UNDEFINED 1 + +#ifdef __USE_MISC + +/* ipcs ctl cmds */ +# define SEM_STAT 18 +# define SEM_INFO 19 + +struct seminfo +{ + int semmap; + int semmni; + int semmns; + int semmnu; + int semmsl; + int semopm; + int semume; + int semusz; + int semvmx; + int semaem; +}; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/sparc/bits/shm.h b/sysdeps/unix/sysv/linux/sparc/bits/shm.h new file mode 100644 index 0000000000..8f2ee52296 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/bits/shm.h @@ -0,0 +1,123 @@ +/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SHM_H +# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead." +#endif + +#include <sys/types.h> +#include <bits/wordsize.h> + +/* Permission flag for shmget. */ +#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */ +#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */ + +/* Flags for `shmat'. */ +#define SHM_RDONLY 010000 /* attach read-only else read-write */ +#define SHM_RND 020000 /* round attach address to SHMLBA */ +#define SHM_REMAP 040000 /* take-over region on attach */ + +/* Commands for `shmctl'. */ +#define SHM_LOCK 11 /* lock segment (root only) */ +#define SHM_UNLOCK 12 /* unlock segment (root only) */ + + +/* Data structure describing a set of semaphores. */ +struct shmid_ds + { + struct ipc_perm shm_perm; /* operation permission struct */ +#if __WORDSIZE == 32 + unsigned int __pad1; +#endif + __time_t shm_atime; /* time of last shmat() */ +#if __WORDSIZE == 32 + unsigned int __pad2; +#endif + __time_t shm_dtime; /* time of last shmdt() */ +#if __WORDSIZE == 32 + unsigned int __pad3; +#endif + __time_t shm_ctime; /* time of last change by shmctl() */ + size_t shm_segsz; /* size of segment in bytes */ + pid_t shm_cpid; /* pid of creator */ + pid_t shm_lpid; /* pid of last shmop */ + unsigned long int shm_nattch; /* number of current attaches */ + unsigned long int __unused1; + unsigned long int __unused2; + }; + +#ifdef __LIBC_IPC_INTERNAL +struct __old_shmid_ds + { + struct __old_ipc_perm shm_perm; /* operation permission struct */ + int shm_segsz; /* size of segment in bytes */ + __time_t shm_atime; /* time of last shmat() */ + __time_t shm_dtime; /* time of last shmdt() */ + __time_t shm_ctime; /* time of last change by shmctl() */ + __ipc_pid_t shm_cpid; /* pid of creator */ + __ipc_pid_t shm_lpid; /* pid of last shmop */ + unsigned short int shm_nattch; /* number of current attaches */ + unsigned short int __shm_npages; /* size of segment (pages) */ + unsigned long int *__shm_pages; /* array of ptrs to frames -> SHMMAX */ + struct vm_area_struct *__attaches; /* descriptors for attaches */ + }; +#endif + +#ifdef __USE_MISC + +/* ipcs ctl commands */ +# define SHM_STAT 13 +# define SHM_INFO 14 + +/* shm_mode upper byte flags */ +# define SHM_DEST 01000 /* segment will be destroyed on last detach */ +# define SHM_LOCKED 02000 /* segment will not be swapped */ + +struct shminfo + { + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; + }; + +struct __old_shminfo + { + int shmmax; + int shmmin; + int shmmni; + int shmseg; + int shmall; + }; + +struct shm_info + { + int used_ids; + unsigned long int shm_tot; /* total allocated shm */ + unsigned long int shm_rss; /* total resident shm */ + unsigned long int shm_swp; /* total swapped shm */ + unsigned long int swap_attempts; + unsigned long int swap_successes; + }; + +#endif /* __USE_MISC */ diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist index 28968fd133..24b16852e6 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist @@ -1,7 +1,5 @@ clone.S kernel_stat.h init-first.h -setresuid.c -setresgid.c setfsuid.c setfsgid.c diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c b/sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c index c9e7653c89..6a77e28a8a 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c @@ -28,7 +28,7 @@ #include "kernel-features.h" #ifdef __NR_mmap2 -extern int __syscall_mmap2(__ptr_t, size_t, int, int, int, off_t); +extern __ptr_t __syscall_mmap2(__ptr_t, size_t, int, int, int, off_t); #ifndef __ASSUME_MMAP2_SYSCALL static int have_no_mmap2; #endif @@ -48,11 +48,11 @@ __mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd, off64_t offset) int saved_errno = errno; #endif /* This will be always 12, no matter what page size is. */ - int result = INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, - fd, (off_t) (offset >> 12)); + __ptr_t result = INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, + fd, (off_t) (offset >> 12)); #ifndef __ASSUME_MMAP2_SYSCALL - if (result != -1 || errno != ENOSYS) + if (result != (__ptr_t) -1 || errno != ENOSYS) #endif return result; diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c index 2e3a54c893..f822b0902e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c @@ -1 +1,51 @@ -#include <sysdeps/unix/sysv/linux/i386/setegid.c> +/* Copyright (C) 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <unistd.h> + +#ifdef __NR_setresgid32 + +extern int __setresgid (gid_t rgid, gid_t egid, gid_t sgid); + +int +setegid (gid_t gid) +{ + int result; + + if (gid == (gid_t) ~0) + { + __set_errno (EINVAL); + return -1; + } + + /* First try the syscall. */ + result = __setresgid (-1, gid, -1); + if (result == -1 && errno == ENOSYS) + /* No system call available. Use emulation. This may not work + since `setregid' also sets the saved group ID when GID is not + equal to the real group ID, making it impossible to switch back. */ + result = __setregid (-1, gid); + + return result; +} +#else +# include <sysdeps/unix/bsd/setegid.c> +#endif diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c index 18e41d08c1..0b3c700924 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c @@ -1 +1,55 @@ -#include <sysdeps/unix/sysv/linux/i386/seteuid.c> +/* Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/syscall.h> +#include <sys/types.h> +#include <unistd.h> + +#include "kernel-features.h" + +#if defined __NR_setresuid32 || __ASSUME_SETRESUID_SYSCALL > 0 + +extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid); + +int +seteuid (uid_t uid) +{ + int result; + + if (uid == (uid_t) ~0) + { + __set_errno (EINVAL); + return -1; + } + + /* First try the syscall. */ + result = __setresuid (-1, uid, -1); +# if __ASSUME_SETRESUID_SYSCALL == 0 + if (result == -1 && errno == ENOSYS) + /* No system call available. Use emulation. This may not work + since `setreuid' also sets the saved user ID when UID is not + equal to the real user ID, making it impossible to switch back. */ + result = __setreuid (-1, uid); +# endif + + return result; +} +#else +# include <sysdeps/unix/bsd/seteuid.c> +#endif diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c deleted file mode 100644 index daca1a4833..0000000000 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/setresgid.c> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c b/sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c deleted file mode 100644 index 3aeabe9ad7..0000000000 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/setresuid.c> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list index 07333a72b6..5f472d56c7 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list @@ -8,12 +8,14 @@ s_setfsuid setfsuid setfsuid 1 __syscall_setfsuid s_setgid setgid setgid 1 __syscall_setgid s_setgroups setgroups setgroups 2 __syscall_setgroups s_setregid setregid setregid 2 __syscall_setregid -s_setresgid setresgid setresgid 3 __syscall_setresgid -s_setresuid setresuid setresuid 3 __syscall_setresuid s_setreuid setreuid setreuid 2 __syscall_setreuid s_setrlimit setrlimit setrlimit 3 __syscall_setrlimit s_ipc msgget ipc 5 __syscall_ipc s_setuid setuid setuid 1 __syscall_setuid +setresuid EXTRA setresuid32 3 __setresuid setresuid +setresgid EXTRA setresgid32 3 __setresgid setresgid +getresuid EXTRA getresuid32 3 getresuid +getresgid EXTRA getresgid32 3 getresgid # System calls with wrappers. rt_sigaction - rt_sigaction 4 __syscall_rt_sigaction @@ -52,3 +54,25 @@ sys_mknod xmknod mknod 3 __syscall_mknod sys_readv readv readv 3 __syscall_readv sys_stat xstat stat 2 __syscall_stat sys_writev writev writev 3 __syscall_writev +s_chown chown chown 3 __syscall_chown +s_chown32 chown chown32 3 __syscall_chown32 +s_fchown fchown fchown 3 __syscall_fchown +s_fchown32 fchown fchown32 3 __syscall_fchown32 +s_lchown lchown lchown 3 __syscall_lchown +s_lchown32 lchown lchown32 3 __syscall_lchown32 +s_getgid getgid getgid 0 __syscall_getgid +s_getgid32 getgid getgid32 0 __syscall_getgid32 +s_getuid getuid getuid 0 __syscall_getuid +s_getuid32 getuid getuid32 0 __syscall_getuid32 +s_getgroups32 getgroups getgroups32 2 __syscall_getgroups32 +s_setgroups32 setgroups setgroups32 2 __syscall_setgroups32 +s_setfsgid32 setfsgid setfsgid32 1 __syscall_setfsgid32 +s_setfsuid32 setfsuid setfsuid32 1 __syscall_setfsuid32 +s_setregid32 setregid setregid32 2 __syscall_setregid32 +s_setreuid32 setreuid setreuid32 2 __syscall_setreuid32 +s_getegid getegid getegid 0 __syscall_getegid +s_geteuid geteuid geteuid 0 __syscall_geteuid +s_getegid32 getegid getegid32 0 __syscall_getegid32 +s_geteuid32 geteuid geteuid32 0 __syscall_geteuid32 +s_setgid32 setgid setgid32 1 __syscall_setgid32 +s_setuid32 setuid setuid32 1 __syscall_setuid32 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c b/sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c new file mode 100644 index 0000000000..53ace35584 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/msg.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Allows to control internal state and destruction of message queue + objects. */ + +int +msgctl (msqid, cmd, buf) + int msqid; + int cmd; + struct msqid_ds *buf; +{ + return INLINE_SYSCALL (ipc, 5, IPCOP_msgctl, msqid, cmd, 0, buf); +} diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c b/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c new file mode 100644 index 0000000000..b0f76e6552 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <stdarg.h> +#include <sys/sem.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Define a `union semun' suitable for Linux here. */ +union semun +{ + int val; /* value for SETVAL */ + struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */ + unsigned short int *array; /* array for GETALL & SETALL */ + struct seminfo *__buf; /* buffer for IPC_INFO */ +}; + + +/* Return identifier for array of NSEMS semaphores associated with + KEY. */ + +int +semctl (int semid, int semnum, int cmd, ...) +{ + union semun arg; + va_list ap; + + va_start (ap, cmd); + + /* Get the argument. */ + arg = va_arg (ap, union semun); + + va_end (ap); + + return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, &arg); +} diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c b/sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c new file mode 100644 index 0000000000..7bb49469e0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1995, 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/shm.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +/* Provide operations to control over shared memory segments. */ + +int +shmctl (shmid, cmd, buf) + int shmid; + int cmd; + struct shmid_ds *buf; +{ + return INLINE_SYSCALL (ipc, 5, IPCOP_shmctl, shmid, cmd, 0, buf); +} diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 6215973fc3..7947cb6920 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -53,7 +53,7 @@ setfsgid EXTRA setfsgid 1 setfsgid setfsuid EXTRA setfsuid 1 setfsuid setpgid - setpgid 2 __setpgid setpgid setresuid EXTRA setresuid 3 __setresuid setresuid -setresgid EXTRA setresgid 3 setresgid +setresgid EXTRA setresgid 3 __setresgid setresgid sigaltstack - sigaltstack 2 __sigaltstack sigaltstack sysinfo EXTRA sysinfo 1 sysinfo swapon - swapon 2 __swapon swapon diff --git a/sysdeps/unix/sysv/linux/truncate64.c b/sysdeps/unix/sysv/linux/truncate64.c index fb3b80a411..2f8d5a38e2 100644 --- a/sysdeps/unix/sysv/linux/truncate64.c +++ b/sysdeps/unix/sysv/linux/truncate64.c @@ -31,7 +31,7 @@ int __have_no_truncate64; #endif -extern int __syscall_truncate64 (int fd, int high_length, int low_length); +extern int __syscall_truncate64 (const char *path, int high_length, int low_length); /* Truncate the file FD refers to to LENGTH bytes. */ |