http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/bits/shm.h

/* Copyright (C) 1995, 1996, 1997, 2000, 2002, 2004 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, 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 <bits/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) */ __BEGIN_DECLS /* Segment low boundary address multiple. */ #define SHMLBA (__getpagesize ()) extern int __getpagesize (void) __THROW __attribute__ ((__const__)); /* Type to count number of attaches. */ typedef unsigned long int shmatt_t; /* 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() */ #if __WORDSIZE == 32 unsigned long int __unused1; #endif __time_t shm_dtime; /* time of last shmdt() */ #if __WORDSIZE == 32 unsigned long int __unused2; #endif __time_t shm_ctime; /* time of last change by shmctl() */ #if __WORDSIZE == 32 unsigned long int __unused3; #endif __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ unsigned long int __unused4; unsigned long int __unused5; }; #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 */ # define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */ # define SHM_NORESERVE 010000 /* don't check for reservations */ 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 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 */ __END_DECLS