NetBSD/lib/libpthread/pthread_misc.c
2007-03-02 18:53:51 +00:00

115 lines
3.6 KiB
C

/* $NetBSD: pthread_misc.c,v 1.1 2007/03/02 18:53:52 ad Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Nathan J. Williams.
*
* 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>
__RCSID("$NetBSD: pthread_misc.c,v 1.1 2007/03/02 18:53:52 ad Exp $");
#include <sys/types.h>
#include <sys/signal.h>
#include <sys/time.h>
#include <errno.h>
#include <lwp.h>
#include "pthread.h"
#include "pthread_int.h"
int _sys___sigprocmask14(int, const sigset_t *, sigset_t *);
int _sys_nanosleep(const struct timespec *, struct timespec *);
__strong_alias(_nanosleep, nanosleep)
__strong_alias(__libc_thr_sigsetmask,pthread_sigmask)
__strong_alias(__sigprocmask14,pthread_sigmask)
__strong_alias(__libc_thr_yield,_sys_sched_yield)
/*ARGSUSED*/
int
pthread_getschedparam(pthread_t thread, int *policy, struct sched_param *param)
{
if (param == NULL || policy == NULL)
return EINVAL;
param->sched_priority = 0;
*policy = SCHED_RR;
return 0;
}
/*ARGSUSED*/
int
pthread_setschedparam(pthread_t thread, int policy,
const struct sched_param *param)
{
if (param == NULL || policy < SCHED_FIFO || policy > SCHED_RR)
return EINVAL;
if (param->sched_priority > 0 || policy != SCHED_RR)
return ENOTSUP;
return 0;
}
int
pthread_kill(pthread_t thread, int sig)
{
pthread_t self;
self = pthread__self();
if ((sig < 0) || (sig >= _NSIG))
return EINVAL;
if (pthread__find(self, thread) != 0)
return ESRCH;
return _lwp_kill(thread->pt_lid, sig);
}
int
pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
{
return _sys___sigprocmask14(how, set, oset);
}
int
nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
{
/*
* For now, just nanosleep. In the future, maybe pass a ucontext_t
* to _lwp_nanosleep() and allow it to recycle our kernel stack.
*/
return _sys_nanosleep(rqtp, rmtp);
}