/* Compatibility routines for cthreads. Copyright (C) 2000-2021 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); }