b6413b6db8
This basically adds makes use of the C99 restrict keyword, and also adds some 'const's to four threading functions: pthread_mutexattr_gettype(), pthread_mutexattr_getprioceiling(), pthread_mutexattr_getprotocol(), and pthread_mutex_getprioceiling. The changes are in accordance to POSIX/SUSv4-2018. Hinted by: DragonFlyBSD Relnotes: yes MFC after: 1 month Differential Revision: D16722
131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright (c) 1997 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 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include "namespace.h"
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#include "un-namespace.h"
|
|
|
|
#include "thr_private.h"
|
|
|
|
__weak_reference(_pthread_condattr_init, pthread_condattr_init);
|
|
__weak_reference(_pthread_condattr_destroy, pthread_condattr_destroy);
|
|
__weak_reference(_pthread_condattr_getclock, pthread_condattr_getclock);
|
|
__weak_reference(_pthread_condattr_setclock, pthread_condattr_setclock);
|
|
__weak_reference(_pthread_condattr_getpshared, pthread_condattr_getpshared);
|
|
__weak_reference(_pthread_condattr_setpshared, pthread_condattr_setpshared);
|
|
|
|
int
|
|
_pthread_condattr_init(pthread_condattr_t *attr)
|
|
{
|
|
pthread_condattr_t pattr;
|
|
int ret;
|
|
|
|
if ((pattr = (pthread_condattr_t)
|
|
malloc(sizeof(struct pthread_cond_attr))) == NULL) {
|
|
ret = ENOMEM;
|
|
} else {
|
|
memcpy(pattr, &_pthread_condattr_default,
|
|
sizeof(struct pthread_cond_attr));
|
|
*attr = pattr;
|
|
ret = 0;
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
_pthread_condattr_destroy(pthread_condattr_t *attr)
|
|
{
|
|
int ret;
|
|
|
|
if (attr == NULL || *attr == NULL) {
|
|
ret = EINVAL;
|
|
} else {
|
|
free(*attr);
|
|
*attr = NULL;
|
|
ret = 0;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
int
|
|
_pthread_condattr_getclock(const pthread_condattr_t * __restrict attr,
|
|
clockid_t * __restrict clock_id)
|
|
{
|
|
if (attr == NULL || *attr == NULL)
|
|
return (EINVAL);
|
|
*clock_id = (*attr)->c_clockid;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
_pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
|
|
{
|
|
if (attr == NULL || *attr == NULL)
|
|
return (EINVAL);
|
|
if (clock_id != CLOCK_REALTIME &&
|
|
clock_id != CLOCK_VIRTUAL &&
|
|
clock_id != CLOCK_PROF &&
|
|
clock_id != CLOCK_MONOTONIC) {
|
|
return (EINVAL);
|
|
}
|
|
(*attr)->c_clockid = clock_id;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
_pthread_condattr_getpshared(const pthread_condattr_t * __restrict attr,
|
|
int * __restrict pshared)
|
|
{
|
|
|
|
if (attr == NULL || *attr == NULL)
|
|
return (EINVAL);
|
|
*pshared = (*attr)->c_pshared;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
_pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared)
|
|
{
|
|
|
|
if (attr == NULL || *attr == NULL ||
|
|
(pshared != PTHREAD_PROCESS_PRIVATE &&
|
|
pshared != PTHREAD_PROCESS_SHARED))
|
|
return (EINVAL);
|
|
(*attr)->c_pshared = pshared;
|
|
return (0);
|
|
}
|