/* Generic implementation of the SysV message struct msqid_ds. Copyright (C) 2020-2021 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 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 <https://www.gnu.org/licenses/>. */ #ifndef _SYS_MSG_H # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead." #endif #include <bits/types/time_t.h> /* Structure of record for one message inside the kernel. The type `struct msg' is opaque. */ struct msqid_ds { #ifdef __USE_TIME_BITS64 # include <bits/types/struct_msqid64_ds_helper.h> #else struct ipc_perm msg_perm; /* structure describing operation permission */ # if __TIMESIZE == 32 __time_t msg_stime; /* time of last msgsnd command */ unsigned long int __msg_stime_high; __time_t msg_rtime; /* time of last msgsnd command */ unsigned long int __msg_rtime_high; __time_t msg_ctime; /* time of last change */ unsigned long int __msg_ctime_high; # else __time_t msg_stime; /* time of last msgsnd command */ __time_t msg_rtime; /* time of last msgsnd command */ __time_t msg_ctime; /* time of last change */ # endif __syscall_ulong_t __msg_cbytes; /* current number of bytes on queue */ msgqnum_t msg_qnum; /* number of messages currently on queue */ msglen_t 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() */ __syscall_ulong_t __glibc_reserved4; __syscall_ulong_t __glibc_reserved5; #endif }; SIMPAN PERUBAHAN