glibc/sysdeps/unix/sysv/linux/sys/sem_buf.h
Ulrich Drepper d2f5be2a12 Document new files for Linux i386/ELF port.
Fri Sep  8 16:32:12 1995  Ulrich Drepper  <drepper@gnu.ai.mit.edu>

        * sysdeps/unix/sysv/linux/Implies,
        sysdeps/unix/sysv/linux/Makefile, sysdeps/unix/sysv/linux/Subdirs,
        sysdeps/unix/sysv/linux/accept.S, sysdeps/unix/sysv/linux/adjtime.c,
        sysdeps/unix/sysv/linux/adjtimex.S, sysdeps/unix/sysv/linux/bind.S,
        sysdeps/unix/sysv/linux/connect.S, sysdeps/unix/sysv/linux/direct.h,
        sysdeps/unix/sysv/linux/dl-machine.h, sysdeps/unix/sysv/linux/errnos.h,
        sysdeps/unix/sysv/linux/fork.S, sysdeps/unix/sysv/linux/gethostid.c,
        sysdeps/unix/sysv/linux/gethostname.C,
        sysdeps/unix/sysv/linux/getpeername.S,
        sysdeps/unix/sysv/linux/getpgid.S, sysdeps/unix/sysv/linux/getpgrp.S,
	sysdeps/unix/sysv/linux/getsockname.S,
	sysdeps/unix/sysv/linux/getsockopt.S, sysdeps/unix/sysv/linux/gtty.S,
	sysdeps/unix/sysv/linux/listen.S, sysdeps/unix/sysv/linux/local_lim.h,
	sysdeps/unix/sysv/linux/madvise.c, sysdeps/unix/sysv/linux/msgctl.c,
	sysdeps/unix/sysv/linux/msgget.c, sysdeps/unix/sysv/linux/msgrcv.c,
	sysdeps/unix/sysv/linux/msgsnd.c, sysdeps/unix/sysv/linux/pipe.S,
	sysdeps/unix/sysv/linux/poll.c, sysdeps/unix/sysv/linux/readv.c,
	sysdeps/unix/sysv/linux/recv.S, sysdeps/unix/sysv/linux/recvfrom.S,
	sysdeps/unix/sysv/linux/recvmsg.S, sysdeps/unix/sysv/linux/semctl.c,
	sysdeps/unix/sysv/linux/semget.c, sysdeps/unix/sysv/linux/semop.c,
	sysdeps/unix/sysv/linux/send.S, sysdeps/unix/sysv/linux/sendmsg.S,
	sysdeps/unix/sysv/linux/sendto.S, sysdeps/unix/sysv/linux/setegid.c,
	sysdeps/unix/sysv/linux/seteuid.c, sysdeps/unix/sysv/linux/sethostid.c,
	sysdeps/unix/sysv/linux/setpgid.c, sysdeps/unix/sysv/linux/setpgrp.c,
	sysdeps/unix/sysv/linux/setsid.S, sysdeps/unix/sysv/linux/setsockopt.S,
	sysdeps/unix/sysv/linux/settimeofday.S,
	sysdeps/unix/sysv/linux/shmat.c, sysdeps/unix/sysv/linux/shmctl.c,
	sysdeps/unix/sysv/linux/shmdt.c, sysdeps/unix/sysv/linux/shmget.c,
	sysdeps/unix/sysv/linux/shutdown.S,
	sysdeps/unix/sysv/linux/sigaction.S, sysdeps/unix/sysv/linux/signal.S,
	sysdeps/unix/sysv/linux/sigpending.S, sysdeps/unix/sysv/linux/sigset.h,
	sysdeps/unix/sysv/linux/sockaddrcom.h,
	sysdeps/unix/sysv/linux/socketpair.S, sysdeps/unix/sysv/linux/speed.c,
	sysdeps/unix/sysv/linux/statbuf.h, sysdeps/unix/sysv/linux/stty.S,
	sysdeps/unix/sysv/linux/syscall.h, sysdeps/unix/sysv/linux/sysconf.c,
	sysdeps/unix/sysv/linux/tcdrain.c, sysdeps/unix/sysv/linux/tcflow.c,
	sysdeps/unix/sysv/linux/tcflush.c, sysdeps/unix/sysv/linux/tcgetattr.c,
	sysdeps/unix/sysv/linux/tcsetattr.c,
	sysdeps/unix/sysv/linux/termbits.h, sysdeps/unix/sysv/linux/ualarm.c,
	sysdeps/unix/sysv/linux/ulimit.c, sysdeps/unix/sysv/linux/usleep.c,
	sysdeps/unix/sysv/linux/utsnamelen.h, sysdeps/unix/sysv/linux/vfork.c,
	sysdeps/unix/sysv/linux/wait.c, sysdeps/unix/sysv/linux/wait4.S,
	sysdeps/unix/sysv/linux/waitpid.c, sysdeps/unix/sysv/linux/writev.c:
	New Linux/ELF specific, architecture independent files.

	sysdeps/unix/sysv/linux/i386/Dist,
	sysdeps/unix/sysv/linux/i386/Makefile,
	sysdeps/unix/sysv/linux/i386/brk.S,
	sysdeps/unix/sysv/linux/i386/fcntlbits.h,
	sysdeps/unix/sysv/linux/i386/fpu_control.c,
	sysdeps/unix/sysv/linux/i386/fpu_control.h,
	sysdeps/unix/sysv/linux/i386/fstat.S,
	sysdeps/unix/sysv/linux/i386/fxstat.S,
	sysdeps/unix/sysv/linux/i386/ieee_fpu.c,
	sysdeps/unix/sysv/linux/i386/init-first.S,
	sysdeps/unix/sysv/linux/i386/ipc.S,
	sysdeps/unix/sysv/linux/i386/lstat.S,
	sysdeps/unix/sysv/linux/i386/lxstat.S,
	sysdeps/unix/sysv/linux/i386/mknod.S,
	sysdeps/unix/sysv/linux/i386/mmap.S,
	sysdeps/unix/sysv/linux/i386/sbrk.S,
	sysdeps/unix/sysv/linux/i386/setfpucw.c,
	sysdeps/unix/sysv/linux/i386/signum.h,
	sysdeps/unix/sysv/linux/i386/socket.S,
	sysdeps/unix/sysv/linux/i386/stat.S,
	sysdeps/unix/sysv/linux/i386/syscall.S,
	sysdeps/unix/sysv/linux/i386/sysdep.S,
	sysdeps/unix/sysv/linux/i386/sysdep.h,
	sysdeps/unix/sysv/linux/i386/xmknod.S,
	sysdeps/unix/sysv/linux/i386/xstat.S:
	New Linux i386/ELF specific files.

	sysdeps/unix/sysv/linux/sys/ipc_buf.h,
	sysdeps/unix/sysv/linux/sys/mman.h,
	sysdeps/unix/sysv/linux/sys/msq_buf.h,
	sysdeps/unix/sysv/linux/sys/sem_buf.h,
	sysdeps/unix/sysv/linux/sys/shm_buf.h,
	sysdeps/unix/sysv/linux/sys/socketcall.h,
	sysdeps/unix/sysv/linux/sys/timex.h:
	New Linux/ELF specific, architecture independent header files.
1995-09-08 17:02:25 +00:00

66 lines
2.2 KiB
C

/* Copyright (C) 1995 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_SEM_BUF_H
#define _SYS_SEM_BUF_H
#include <features.h>
#include <sys/types.h>
/* Flags for `semop'. */
#define SEM_UNDO 0x1000 /* undo the operation on exit */
/* Commands for `semctl'. */
#define GETPID 11 /* get sempid */
#define GETVAL 12 /* get semval */
#define GETALL 13 /* get all semval's */
#define GETNCNT 14 /* get semncnt */
#define GETZCNT 15 /* get semzcnt */
#define SETVAL 16 /* set semval */
#define SETALL 17 /* set all semval's */
__BEGIN_DECLS
/* Data structure describing a set of semaphores. */
struct semid_ds
{
struct ipc_perm sem_perm; /* operation permisson struct */
__time_t sem_otime; /* last semop() time */
__time_t sem_ctime; /* last time changed by semctl() */
struct sem *__sembase; /* ptr to first semaphore in array */
struct sem_queue *__sem_pending; /* pending operations */
struct sem_queue *__sem_pending_last; /* last pending operation */
struct sem_undo *__undo; /* ondo requests on this array */
unsigned short int sem_nsems; /* number of semaphores in set */
};
/* Union used for argument for `semctl'. */
union semun
{
int val; /* value for SETVAL */
struct semid_ds *buf; /* buffer for IPC_STAT & IPC_SET */
unsigned short int *array; /* array for GETALL & SETALL */
struct seminfo *__buf; /* buffer for IPC_INFO */
};
__END_DECLS
#endif /* sys/sem_buf.h */