diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sys/shm_buf.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/shm_buf.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/shm_buf.h b/sysdeps/unix/sysv/linux/sys/shm_buf.h deleted file mode 100644 index 642b7bd191..0000000000 --- a/sysdeps/unix/sysv/linux/sys/shm_buf.h +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 1995, 1996, 1997 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 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_BUF_H - -#define _SYS_SHM_BUF_H 1 -#include <features.h> - -#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) */ - - -__BEGIN_DECLS - -/* Data structure describing a set of semaphores. */ -struct shmid_ds -{ - struct 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() */ - int shm_cpid; /* pid of creator */ - int 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 */ -}; - -#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 -{ - int shmmax; - int shmmin; - int shmmni; - int shmseg; - int shmall; -}; - -struct shm_info -{ - int used_ids; - ulong shm_tot; /* total allocated shm */ - ulong shm_rss; /* total resident shm */ - ulong shm_swp; /* total swapped shm */ - ulong swap_attempts; - ulong swap_successes; -}; - -#endif /* __USE_MISC */ - -__END_DECLS - -#endif /* _SYS_SHM_BUF_H */ |