mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
3b2cc6d44e
dereferencing. NULL is allowed by C11 and must be handled. Reported and tested by: Vineela <vineela_17@yahoo.com> PR: 198038 Sponsored by: The FreeBSD Foundation MFC after: 1 week
129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
/*-
|
|
* Copyright (c) 2011 Ed Schouten <ed@FreeBSD.org>
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <pthread.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "threads.h"
|
|
|
|
struct thrd_param {
|
|
thrd_start_t func;
|
|
void *arg;
|
|
};
|
|
|
|
static void *
|
|
thrd_entry(void *arg)
|
|
{
|
|
struct thrd_param tp;
|
|
|
|
tp = *(struct thrd_param *)arg;
|
|
free(arg);
|
|
return ((void *)(intptr_t)tp.func(tp.arg));
|
|
}
|
|
|
|
int
|
|
thrd_create(thrd_t *thr, thrd_start_t func, void *arg)
|
|
{
|
|
struct thrd_param *tp;
|
|
|
|
/*
|
|
* Work around return type inconsistency. Wrap execution using
|
|
* a function conforming to pthread_create()'s start_routine.
|
|
*/
|
|
tp = malloc(sizeof(*tp));
|
|
if (tp == NULL)
|
|
return (thrd_nomem);
|
|
tp->func = func;
|
|
tp->arg = arg;
|
|
if (pthread_create(thr, NULL, thrd_entry, tp) != 0) {
|
|
free(tp);
|
|
return (thrd_error);
|
|
}
|
|
return (thrd_success);
|
|
}
|
|
|
|
thrd_t
|
|
thrd_current(void)
|
|
{
|
|
|
|
return (pthread_self());
|
|
}
|
|
|
|
int
|
|
thrd_detach(thrd_t thr)
|
|
{
|
|
|
|
if (pthread_detach(thr) != 0)
|
|
return (thrd_error);
|
|
return (thrd_success);
|
|
}
|
|
|
|
int
|
|
thrd_equal(thrd_t thr0, thrd_t thr1)
|
|
{
|
|
|
|
return (pthread_equal(thr0, thr1));
|
|
}
|
|
|
|
_Noreturn void
|
|
thrd_exit(int res)
|
|
{
|
|
|
|
pthread_exit((void *)(intptr_t)res);
|
|
}
|
|
|
|
int
|
|
thrd_join(thrd_t thr, int *res)
|
|
{
|
|
void *value_ptr;
|
|
|
|
if (pthread_join(thr, &value_ptr) != 0)
|
|
return (thrd_error);
|
|
if (res != NULL)
|
|
*res = (intptr_t)value_ptr;
|
|
return (thrd_success);
|
|
}
|
|
|
|
int
|
|
thrd_sleep(const struct timespec *duration, struct timespec *remaining)
|
|
{
|
|
|
|
return (nanosleep(duration, remaining));
|
|
}
|
|
|
|
void
|
|
thrd_yield(void)
|
|
{
|
|
|
|
pthread_yield();
|
|
}
|