freebsd-dev/include/pthread_np.h
Konstantin Belousov 132fb3dc99 Add pthread_peekjoin_np(3).
The function allows to peek at the thread exit status and even see
return value, without joining (and thus finally destroying) the target
thread.

Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation (kib)
MFC after:	2 weeks
Differential revision:	https://reviews.freebsd.org/D23676
2020-02-15 23:25:39 +00:00

78 lines
3.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1996-98 John Birrell <jb@cimlogic.com.au>.
* 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. 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 JOHN BIRRELL 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 REGENTS 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.
*
* $FreeBSD$
*/
#ifndef _PTHREAD_NP_H_
#define _PTHREAD_NP_H_
#include <sys/param.h>
#include <sys/cpuset.h>
/*
* Non-POSIX type definitions:
*/
typedef void (*pthread_switch_routine_t)(pthread_t, pthread_t);
/*
* Non-POSIX thread function prototype definitions:
*/
__BEGIN_DECLS
int pthread_attr_setcreatesuspend_np(pthread_attr_t *);
int pthread_attr_get_np(pthread_t, pthread_attr_t *);
int pthread_attr_getaffinity_np(const pthread_attr_t *, size_t, cpuset_t *);
int pthread_attr_setaffinity_np(pthread_attr_t *, size_t, const cpuset_t *);
void pthread_get_name_np(pthread_t, char *, size_t);
int pthread_getaffinity_np(pthread_t, size_t, cpuset_t *);
int pthread_getthreadid_np(void);
int pthread_main_np(void);
int pthread_multi_np(void);
int pthread_mutexattr_getkind_np(pthread_mutexattr_t);
int pthread_mutexattr_setkind_np(pthread_mutexattr_t *, int);
int pthread_mutex_getspinloops_np(pthread_mutex_t *mutex, int *count);
int pthread_mutex_setspinloops_np(pthread_mutex_t *mutex, int count);
int pthread_mutex_getyieldloops_np(pthread_mutex_t *mutex, int *count);
int pthread_mutex_setyieldloops_np(pthread_mutex_t *mutex, int count);
int pthread_mutex_isowned_np(pthread_mutex_t *mutex);
void pthread_resume_all_np(void);
int pthread_resume_np(pthread_t);
int pthread_peekjoin_np(pthread_t, void **);
void pthread_set_name_np(pthread_t, const char *);
int pthread_setaffinity_np(pthread_t, size_t, const cpuset_t *);
int pthread_single_np(void);
void pthread_suspend_all_np(void);
int pthread_suspend_np(pthread_t);
int pthread_switch_add_np(pthread_switch_routine_t);
int pthread_switch_delete_np(pthread_switch_routine_t);
int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
__END_DECLS
#endif