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add support for p1003.1b semaphores. From FreeBSD

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This commit is contained in:
christos 2003-01-20 20:09:50 +00:00
parent 111839200d
commit 3f4a1907c6
2 changed files with 67 additions and 6 deletions
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12
include/Makefile
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.107 2003/01/19 19:24:39 thorpej Exp $
# $NetBSD: Makefile,v 1.108 2003/01/20 20:09:50 christos Exp $
# @(#)Makefile 8.2 (Berkeley) 1/4/94
# Doing a make includes builds /usr/include
@ -16,11 +16,11 @@ INCS= a.out.h ar.h assert.h bitstring.h bm.h cpio.h ctype.h db.h dirent.h \
memory.h mpool.h ndbm.h netconfig.h netdb.h netgroup.h nlist.h \
nl_types.h \
nsswitch.h paths.h pwd.h ranlib.h re_comp.h regex.h regexp.h \
resolv.h rmd160.h rmt.h sa.h sched.h search.h setjmp.h sgtty.h sha1.h \
signal.h stab.h stddef.h stdio.h stdlib.h string.h strings.h \
stringlist.h struct.h sysexits.h tar.h threadlib.h time.h ttyent.h \
tzfile.h ucontext.h ulimit.h unistd.h util.h utime.h utmp.h utmpx.h \
vis.h wchar.h wctype.h
resolv.h rmd160.h rmt.h sa.h sched.h search.h semaphore.h setjmp.h \
sgtty.h sha1.h signal.h stab.h stddef.h stdio.h stdlib.h string.h \
strings.h stringlist.h struct.h sysexits.h tar.h threadlib.h time.h \
ttyent.h tzfile.h ucontext.h ulimit.h unistd.h util.h utime.h utmp.h \
utmpx.h vis.h wchar.h wctype.h
INCS+= arpa/ftp.h arpa/inet.h arpa/nameser.h arpa/telnet.h arpa/tftp.h
INCS+= protocols/dumprestore.h protocols/routed.h protocols/rwhod.h \
protocols/talkd.h protocols/timed.h

61
include/semaphore.h Normal file
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@ -0,0 +1,61 @@
/* $NetBSD: semaphore.h,v 1.1 2003/01/20 20:09:50 christos Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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.
*/
#ifndef _SEMAPHORE_H_
#define _SEMAPHORE_H_
/* POSIX 1003.1b semaphores */
struct _sem_st;
typedef struct _sem_st *sem_t;
#define SEM_FAILED ((sem_t *)0)
#define SEM_VALUE_MAX (~0U)
__BEGIN_DECLS
int sem_close(sem_t *);
int sem_destroy(sem_t *);
int sem_getvalue(sem_t * __restrict, int * __restrict);
int sem_init(sem_t *, int, unsigned int);
int sem_post(sem_t *);
int sem_trywait(sem_t *);
int sem_unlink(const char *);
int sem_wait(sem_t *);
sem_t *sem_open(const char *, int, ...);
__END_DECLS
#endif /* !_SEMAPHORE_H_ */