glibc/sysdeps/unix/sysv/linux/sys/shm_buf.h
Ulrich Drepper 8145a97443 update from main archive 961019
Sat Oct 19 17:42:24 1996  Ulrich Drepper  <drepper@cygnus.com>

	* intl/locale.alias: Language for entry `czech' is `cs'.

Fri Oct 17 13:20:35 1996  Thorsten Kukuk  <kukuk@weber.uni-paderborn.de>

	* sunrpc/etc.rpc: Update from ti-rpcsvc 2.3.

Fri Oct 18 22:56:45 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sunrpc/Makefile (install-sbin): Remove portmap.  This version is
 	buggy and more competent people work on a usable version which is
 	distributed separately.
	* sunrpc/portmap.c: Removed.
	Suggested by Thorsten Kukuk.

Fri Oct 18 12:17:09 1996  Enrique Melero  <justine@iprolink.ch>

	* sysdeps/libm-ieee754/s_finitel.c: Change function name to
 	`finitel'.

Fri Oct 18 00:01:10 1996  Ulrich Drepper  <drepper@cygnus.com>

	* string/Makefile (tests): Add stratcliff.
	* string/stratcliff.c: New file.  Test for string function at
	the edge of the usable memory.

Thu Oct 17 22:10:19 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Makerules ($(libdir)/libc.so): Fix typo.

	* elf/ldd.sh.in: Test whether given file really exist and give
 	better message if it is not available.

Thu Oct 17 04:25:38 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/sys/shm_buf.h: Add definition for
	SHM_R and SHM_W.

	* locale/programs/localedef.c (main): Test with -1 to find out
1996-10-19 23:33:00 +00:00

90 lines
2.8 KiB
C

/* Copyright (C) 1995, 1996 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
#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 permisson 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() */
__pid_t shm_cpid; /* pid of creator */
__pid_t 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 */