mirror of git://sourceware.org/git/glibc.git
102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/* Compatibility routines for cthreads.
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Copyright (C) 2000-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <pthreadP.h>
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#define CTHREAD_KEY_INVALID (__cthread_key_t) -1
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void
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__cthread_detach (__cthread_t thread)
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{
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int err;
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err = __pthread_detach ((pthread_t) thread);
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assert_perror (err);
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}
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weak_alias (__cthread_detach, cthread_detach)
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__cthread_t
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__cthread_fork (__cthread_fn_t func, void *arg)
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{
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pthread_t thread;
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int err;
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err = __pthread_create (&thread, NULL, func, arg);
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assert_perror (err);
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return (__cthread_t) thread;
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}
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weak_alias (__cthread_fork, cthread_fork)
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int
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__cthread_keycreate (__cthread_key_t *key)
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{
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error_t err;
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err = __pthread_key_create (key, 0);
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if (err)
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{
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errno = err;
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*key = CTHREAD_KEY_INVALID;
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err = -1;
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}
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return err;
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}
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weak_alias (__cthread_keycreate, cthread_keycreate)
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int
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__cthread_getspecific (__cthread_key_t key, void **val)
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{
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*val = __pthread_getspecific (key);
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return 0;
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}
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weak_alias (__cthread_getspecific, cthread_getspecific)
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int
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__cthread_setspecific (__cthread_key_t key, void *val)
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{
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error_t err;
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err = __pthread_setspecific (key, (const void *) val);
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if (err)
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{
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errno = err;
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err = -1;
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}
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return err;
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}
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weak_alias (__cthread_setspecific, cthread_setspecific)
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void
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__mutex_lock_solid (void *lock)
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{
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__pthread_mutex_lock (lock);
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}
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void
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__mutex_unlock_solid (void *lock)
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{
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if (__pthread_spin_trylock (lock) != 0)
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/* Somebody already got the lock, that one will manage waking up others */
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return;
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__pthread_mutex_unlock (lock);
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}
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