diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/msgctl.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/msgctl.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/msgctl.c b/REORG.TODO/sysdeps/unix/sysv/linux/msgctl.c new file mode 100644 index 0000000000..e5ae621420 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/msgctl.c @@ -0,0 +1,71 @@ +/* Copyright (C) 1995-2017 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/msg.h> +#include <ipc_priv.h> +#include <sysdep.h> +#include <shlib-compat.h> +#include <errno.h> + +#ifndef DEFAULT_VERSION +# define DEFAULT_VERSION GLIBC_2_2 +#endif + +int +__new_msgctl (int msqid, int cmd, struct msqid_ds *buf) +{ +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (msgctl, msqid, cmd | __IPC_64, buf); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_msgctl, msqid, cmd | __IPC_64, 0, + buf); +#endif +} +versioned_symbol (libc, __new_msgctl, msgctl, DEFAULT_VERSION); + + +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) +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() */ +}; + +int +attribute_compat_text_section +__old_msgctl (int msqid, int cmd, struct __old_msqid_ds *buf) +{ +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return INLINE_SYSCALL_CALL (msgctl, msqid, cmd | __IPC_64, buf); +#else + return INLINE_SYSCALL_CALL (ipc, IPCOP_msgctl, msqid, cmd, 0, buf); +#endif +} +compat_symbol (libc, __old_msgctl, msgctl, GLIBC_2_0); +#endif |