minix/lib/nbsd_libc/compat/sys/compat___semctl13.c

99 lines
3.3 KiB
C
Raw Normal View History

/* $NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $ */
/* $NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $ */
/*-
* Copyright (c) 2008 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.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: compat___semctl13.c,v 1.2 2009/01/11 02:46:26 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#define __LIBC12_SOURCE__
#include <stdarg.h>
#include <sys/time.h>
#include <compat/sys/time.h>
#include <sys/sem.h>
#include <compat/sys/sem.h>
__warn_references(__semctl13,
"warning: reference to compatibility __semctl13(); include <sys/sem.h> to generate correct reference")
/*
* Copy timeout to local variable and call the syscall.
*/
int
__semctl13(int semid, int semnum, int cmd, ...)
{
va_list ap;
union __semun semun;
struct semid_ds13 *ds13;
struct semid_ds ds;
int error;
va_start(ap, cmd);
switch (cmd) {
case IPC_SET:
case IPC_STAT:
case GETALL:
case SETVAL:
case SETALL:
#ifdef __lint__
memcpy(&semun, &ap, sizeof(semun));
#else
semun = va_arg(ap, union __semun);
#endif
}
va_end(ap);
ds13 = (struct semid_ds13 *)(void *)semun.buf;
semun.buf = &ds;
if (cmd == IPC_SET)
__semid_ds13_to_native(ds13, &ds);
error = ____semctl50(semid, semnum, cmd, &semun);
if (error)
return error;
if (cmd == IPC_STAT)
__native_to_semid_ds13(&ds, ds13);
semun.buf = (struct semid_ds *)(void *)ds13;
return 0;
}