From d759627b9375dd4d3ff9579c00a711c19d8dc625 Mon Sep 17 00:00:00 2001 From: "Federico G. Schwindt" Date: Fri, 18 Jan 2002 00:36:37 +0000 Subject: From FreeBSD: header for POSIX 1003.1b semaphores. --- lib/libpthread/include/Makefile.inc | 4 +-- lib/libpthread/include/semaphore.h | 68 +++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 2 deletions(-) create mode 100644 lib/libpthread/include/semaphore.h (limited to 'lib/libpthread/include') diff --git a/lib/libpthread/include/Makefile.inc b/lib/libpthread/include/Makefile.inc index 436976c47d4..5bf12b96d4b 100644 --- a/lib/libpthread/include/Makefile.inc +++ b/lib/libpthread/include/Makefile.inc @@ -1,8 +1,8 @@ -# $OpenBSD: Makefile.inc,v 1.3 2000/01/06 08:32:17 d Exp $ +# $OpenBSD: Makefile.inc,v 1.4 2002/01/18 00:36:36 fgsch Exp $ includes: @cd ${LIBC_RSRCDIR}/include; \ - for h in pthread.h pthread_np.h sched.h spinlock.h; do \ + for h in pthread.h pthread_np.h sched.h semaphore.h spinlock.h; do \ cmp -s $$h ${DESTDIR}/usr/include/$$h > /dev/null 2>&1 || \ (echo ${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} \ -m 444 $$h ${DESTDIR}/usr/include; \ diff --git a/lib/libpthread/include/semaphore.h b/lib/libpthread/include/semaphore.h new file mode 100644 index 00000000000..f685682ed07 --- /dev/null +++ b/lib/libpthread/include/semaphore.h @@ -0,0 +1,68 @@ +/* $OpenBSD: semaphore.h,v 1.1 2002/01/18 00:36:36 fgsch Exp $ */ + +/* semaphore.h: POSIX 1003.1b semaphores */ + +/*- + * Copyright (c) 1996, 1997 + * HD Associates, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by HD Associates, Inc + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: semaphore.h,v 1.6 2000/01/20 07:55:42 jasone Exp $ + */ + +#ifndef _SEMAPHORE_H_ +#define _SEMAPHORE_H_ + +#include + +/* Opaque type definition. */ +struct sem; +typedef struct sem *sem_t; + +#define SEM_FAILED ((sem_t *)0) +#define SEM_VALUE_MAX UINT_MAX + +#ifndef _KERNEL +#include + +__BEGIN_DECLS +int sem_init __P((sem_t *, int, unsigned int)); +int sem_destroy __P((sem_t *)); +sem_t *sem_open __P((const char *, int, ...)); +int sem_close __P((sem_t *)); +int sem_unlink __P((const char *)); +int sem_wait __P((sem_t *)); +int sem_trywait __P((sem_t *)); +int sem_post __P((sem_t *)); +int sem_getvalue __P((sem_t *, int *)); +__END_DECLS + +#endif /* _KERNEL */ + +#endif /* _SEMAPHORE_H_ */ -- cgit v1.2.3