mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
f8afba91cf
* Versions.def: Add GLIBC_2.1.1 to libpthread. * iconvdata/Makefile (modules): Add KOI8-U. (distribute): Add koi8-u.c. (gen-8bit-gap-modules): Add koi8-u. * iconvdata/gconv-modules: Add KOI8-U entries. * iconvdata/koi8-u.c: New file. 1999-04-13 Thorsten Kukuk <kukuk@suse.de> * sunrpc/auth_des.c: 64bit fixes, security fixes. * sunrpc/auth_none.c: Pretty print. * sunrpc/auth_unix.c: Likewise. * sunrpc/authdes_prot.c: Likewise. * sunrpc/authuxprot.c: Likewise. * sunrpc/bindrsvprt.c: Likewise. * sunrpc/clnt_gen.c: Likewise. * sunrpc/rpc/xdr.h: Likewise. * sunrpc/rpc/auth_des.h: Add rpc_timeval struct. * sunrpc/rpc_cmsg.c: Don't use *long pointers. * sunrpc/rtime.c: Use new rpc_timeval. * sunrpc/svc_authux.c: Don't use *long pointers. * sunrpc/svcauth_des.c: Likewise + security fixes. * sunrpc/xdr_mem.c: Don't use *long pointers. * sunrpc/xdr_rec.c: Likewise. * sunrpc/xdr_sizeof.c: Likewise. * sunrpc/xdr_stdio.c: Likewise. 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* Linuxthreads - a simple clone()-based implementation of Posix */
|
|
/* threads for Linux. */
|
|
/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
|
|
/* */
|
|
/* This program 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. */
|
|
/* */
|
|
/* This program 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. */
|
|
|
|
#ifndef _SEMAPHORE_H
|
|
#define _SEMAPHORE_H 1
|
|
|
|
#include <features.h>
|
|
#include <sys/types.h>
|
|
|
|
#ifndef _PTHREAD_DESCR_DEFINED
|
|
/* Thread descriptors. Needed for `sem_t' definition. */
|
|
typedef struct _pthread_descr_struct *_pthread_descr;
|
|
# define _PTHREAD_DESCR_DEFINED
|
|
#endif
|
|
|
|
/* System specific semaphore definition. */
|
|
typedef struct
|
|
{
|
|
struct
|
|
{
|
|
long int status;
|
|
int spinlock;
|
|
} __sem_lock;
|
|
int __sem_value;
|
|
_pthread_descr __sem_waiting;
|
|
} sem_t;
|
|
|
|
|
|
|
|
/* Value returned if `sem_open' failed. */
|
|
#define SEM_FAILED ((sem_t *) NULL)
|
|
|
|
/* Maximum value the semaphore can have. */
|
|
#define SEM_VALUE_MAX ((int) ((~0u) >> 1))
|
|
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Initialize semaphore object SEM to VALUE. If PSHARED then share it
|
|
with other processes. */
|
|
extern int sem_init __P ((sem_t *__sem, int __pshared, unsigned int __value));
|
|
|
|
/* Free resources associated with semaphore object SEM. */
|
|
extern int sem_destroy __P ((sem_t *__sem));
|
|
|
|
/* Open a named semaphore NAME with open flaot OFLAG. */
|
|
extern sem_t *sem_open __P ((__const char *__name, int __oflag, ...));
|
|
|
|
/* Close descriptor for named semaphore SEM. */
|
|
extern int sem_close __P ((sem_t *__sem));
|
|
|
|
/* Remove named semaphore NAME. */
|
|
extern int sem_unlink __P ((__const char *__name));
|
|
|
|
/* Wait for SEM being posted. */
|
|
extern int sem_wait __P ((sem_t *__sem));
|
|
|
|
/* Test whether SEM is posted. */
|
|
extern int sem_trywait __P ((sem_t *__sem));
|
|
|
|
/* Post SEM. */
|
|
extern int sem_post __P ((sem_t *__sem));
|
|
|
|
/* Get current value of SEM and store it in *SVAL. */
|
|
extern int sem_getvalue __P ((sem_t *__sem, int *__sval));
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* semaphore.h */
|