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author | Ulrich Drepper <drepper@redhat.com> | 2000-01-18 04:33:34 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-01-18 04:33:34 +0000 |
commit | 0482576eec37874110782f0bae6dd0e1b4a357c6 (patch) | |
tree | 87c6c9880dffc5f89b1fc716b52136ee4c72d844 /sysdeps/unix/sysv/linux/bits/shm.h | |
parent | d316a91962f62fb44c713feac0e82241e8cec1cd (diff) | |
download | glibc-0482576eec37874110782f0bae6dd0e1b4a357c6.tar.gz glibc-0482576eec37874110782f0bae6dd0e1b4a357c6.tar.xz glibc-0482576eec37874110782f0bae6dd0e1b4a357c6.zip |
Update.
2000-01-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/bits/ipc.h: New file. * sysdeps/unix/sysv/linux/bits/sem.h: New file. * sysdeps/unix/sysv/linux/bits/shm.h: New file. * sysdeps/unix/sysv/linux/bits/msg.h: New file. * sysdeps/unix/sysv/linux/bits/alpha/ipc.h: Update for new ipc. * sysdeps/unix/sysv/linux/bits/alpha/sem.h: New file. * sysdeps/unix/sysv/linux/bits/alpha/shm.h: New file. * sysdeps/unix/sysv/linux/bits/alpha/msg.h: New file. * sysdeps/unix/sysv/linux/bits/sparc/ipc.h: New file. * sysdeps/unix/sysv/linux/bits/sparc/sem.h: New file. * sysdeps/unix/sysv/linux/bits/sparc/shm.h: New file. * sysdeps/unix/sysv/linux/bits/sparc/msg.h: New file. * sysdeps/unix/sysv/linux/msgctl.c (__old_msgctl): Renamed from msgctl. (__new_msgctl): New function. * sysdeps/unix/sysv/linux/semctl.c (__old_semctl): Renamed from semctl. (__new_semctl): New function. * sysdeps/unix/sysv/linux/shmctl.c (__old_shmctl): Renamed from shmctl. (__new_shmctl): New function. * sysdeps/unix/sysv/linux/msgget.c: Define __LIBC_IPC_INTERNAL. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/semget.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/semop.c: Likewise. * sysdeps/unix/sysv/linux/shmat.c: Likewise. * sysdeps/unix/sysv/linux/shmdt.c: Likewise. * sysdeps/unix/sysv/linux/shmget.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/semctl.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/msgctl.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc64/shmctl.c: New file. * sysdeps/unix/sysv/linux/Versions: Add msgctl, semctl, shmctl. 2000-01-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/Dist: Remove setres[ug]id. * sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: Kill warnings. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Define needed syscalls. * sysdeps/unix/sysv/linux/pwrite64.c: Use proper prototype. * sysdeps/unix/sysv/linux/truncate64.c: Likewise. * sysdeps/unix/sysv/linux/kernel-features.h: [gs]etres[ug]id are available on sparc since 2.3.39. * sysdeps/unix/sysv/linux/execve.c: Kill warnings. 2000-01-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/i386/chown.c (__syscall_chown): Use proper prototype. (__real_chown): Return EINVAL if owner or group are out of the range -1U .. 65534. * sysdeps/unix/sysv/linux/i386/lchown.c (__lchown): Likewise. * sysdeps/unix/sysv/linux/i386/fchown.c (__fchown): Likewise. * sysdeps/unix/sysv/linux/i386/setresuid.c (__setresuid): Return EINVAL if ruid, euid or suid are out of the range -1U .. 65534. * sysdeps/unix/sysv/linux/i386/setresgid.c (__setresgid): Similarly. * sysdeps/unix/sysv/linux/i386/setreuid.c (__setreuid): Simplify. * sysdeps/unix/sysv/linux/i386/setregid.c (__setregid): Likewise. * sysdeps/unix/sysv/linux/m68k/chown.c (__syscall_chown): Use proper prototype. Don't include non-existant header. (__chown): Return EINVAL if owner or group are out of the range -1U .. 65534. * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list (setresuid, setresgid): Inherit standard linux/syscalls.list definitions. * sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: Remove. * sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: Remove. * sysdeps/unix/sysv/linux/syscalls.list (setresgid): Provide __setresgid symbol.
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/shm.h')
-rw-r--r-- | sysdeps/unix/sysv/linux/bits/shm.h | 116 |
1 files changed, 116 insertions, 0 deletions
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 */ |