| /* Copyright (C) 1995-2018 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 |