mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
a5707dad25
2000-06-29 Ulrich Drepper <drepper@redhat.com> * stdio-common/printf_fp.c (__printf_fp): Don't clobber pointer which we later need to calling free(). Patch by Matt Wilson <msw@redhat.com>. 2000-06-27 David Mosberger-Tang <davidm@hpl.hp.com> * sysdeps/unix/sysv/linux/ia64/bits/ipc.h: New file. * sysdeps/unix/sysv/linux/ia64/bits/shm.h: New file. 2000-06-28 Jes Sorensen <jes@linuxcare.com> * sysdeps/ieee754/dbl-64/s_exp2.c: Add include stdlib.h to get prototype for abs(). * sysdeps/ieee754/flt-32/s_exp2f.c: ditto.
89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
/* Copyright (C) 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
|
|
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_H
|
|
# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
|
|
#endif
|
|
|
|
#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) */
|
|
|
|
|
|
/* 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() */
|
|
__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 long int shm_nattch; /* number of current attaches */
|
|
unsigned long int __unused1;
|
|
unsigned long int __unused2;
|
|
};
|
|
|
|
#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
|
|
{
|
|
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 */
|