102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* Compatibility routines for cthreads.
|
|
Copyright (C) 2000-2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <assert.h>
|
|
#include <pthreadP.h>
|
|
|
|
#define CTHREAD_KEY_INVALID (__cthread_key_t) -1
|
|
|
|
void
|
|
__cthread_detach (__cthread_t thread)
|
|
{
|
|
int err;
|
|
|
|
err = __pthread_detach ((pthread_t) thread);
|
|
assert_perror (err);
|
|
}
|
|
weak_alias (__cthread_detach, cthread_detach)
|
|
|
|
__cthread_t
|
|
__cthread_fork (__cthread_fn_t func, void *arg)
|
|
{
|
|
pthread_t thread;
|
|
int err;
|
|
|
|
err = __pthread_create (&thread, NULL, func, arg);
|
|
assert_perror (err);
|
|
|
|
return (__cthread_t) thread;
|
|
}
|
|
weak_alias (__cthread_fork, cthread_fork)
|
|
|
|
int
|
|
__cthread_keycreate (__cthread_key_t *key)
|
|
{
|
|
error_t err;
|
|
|
|
err = __pthread_key_create (key, 0);
|
|
if (err)
|
|
{
|
|
errno = err;
|
|
*key = CTHREAD_KEY_INVALID;
|
|
err = -1;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
weak_alias (__cthread_keycreate, cthread_keycreate)
|
|
|
|
int
|
|
__cthread_getspecific (__cthread_key_t key, void **val)
|
|
{
|
|
*val = __pthread_getspecific (key);
|
|
return 0;
|
|
}
|
|
weak_alias (__cthread_getspecific, cthread_getspecific)
|
|
|
|
int
|
|
__cthread_setspecific (__cthread_key_t key, void *val)
|
|
{
|
|
error_t err;
|
|
|
|
err = __pthread_setspecific (key, (const void *) val);
|
|
if (err)
|
|
{
|
|
errno = err;
|
|
err = -1;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
weak_alias (__cthread_setspecific, cthread_setspecific)
|
|
|
|
void
|
|
__mutex_lock_solid (void *lock)
|
|
{
|
|
__pthread_mutex_lock (lock);
|
|
}
|
|
|
|
void
|
|
__mutex_unlock_solid (void *lock)
|
|
{
|
|
if (__pthread_spin_trylock (lock) != 0)
|
|
/* Somebody already got the lock, that one will manage waking up others */
|
|
return;
|
|
__pthread_mutex_unlock (lock);
|
|
}
|