glibc/sysdeps/unix/sysv/linux/sys/shm_buf.h
Ulrich Drepper 8a4b65b469 update from main archive 961209
Tue Dec 10 02:17:31 1996  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/printf_fp.c (__guess_grouping): Fix of by one
	error in computation of number of groups.
	Patch sent by Harald Schreiber <Harald.Schreiber@post.rwth-aachen.de>.

Tue Dec 10 01:50:07 1996  Ulrich Drepper  <drepper@cygnus.com>

	* version.h: Set version to 1.99.

	* Make-dist (routines): Add malloc and new-malloc.

	* Makeconfig: Allow Makefiles to set $(CPPFLAGS-$(<F)) and
	$(CPPFLAGS-$(@F)) to be added to CPPFLAGS.
	Same for $(CFLAGS-$(@F)) and CFLAGS.

	* gmon/sys/gmon_out.h: Add __BEGIN_DECLS/__END_DECLS.  Unify
	layout.
	* io/sys/poll.h: Likewise.
	* sysdeps/stub/sys/ipb_buf.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sys/perm.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sys/vm86.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/ipc_buf.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/kdaemon.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/klog.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/module.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/mount.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/msq_buf.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/param.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/procfs.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/ptrace.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/reboot.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sem_buf.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/shm_buf.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/socketcall.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/swap.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sysctl.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sysinfo.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/sysmacros.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/timex.h: Likewise.
	* sysvipc/sys/sem.h: Likewise.
	* sysvipc/sys/shm.h: Likewise.

	* new-malloc/Makefile: Set CPPFLAGS-malloc.o.
	* new-malloc/malloc.c: Remove problem with 64 bits pointers.
	Add statistics for threads.
	* new-malloc/malloc.h: Likewise.
	* new-malloc/thread-m.h: Likewise.

	* time/strftime.c: Declare tzname if if HAVE_TZNAME is defined.

	* time/strptime.c: Update copyright.

Mon Dec  9 14:51:10 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Make-dist: Make sure both malloc directories get distributed.

Sun Dec  8 23:14:10 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/iogets.c (_IO_gets): Fix early returns to not leave the
	stream locked.

Sat Dec  7 22:08:09 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/sys/module.h: Enclose declarations in
	__BEGIN_DECLS/__END_DECLS.

Sat Dec  7 14:23:12 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* login/utmp_file.c: Consistently set file_offset to the position
	after the entry just read.
1996-12-10 03:08:06 +00:00

93 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 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 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 */