112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/* $NetBSD: pthread_misc.c,v 1.2 2007/08/16 13:54:17 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 1.2 2007/08/16 13:54:17 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)
|
|
{
|
|
|
|
if ((sig < 0) || (sig >= _NSIG))
|
|
return EINVAL;
|
|
if (pthread__find(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);
|
|
}
|