| /* POSIX thread-specific storage. |
| Copyright (C) 2010-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2019. */ |
| |
| #include <config.h> |
| |
| /* Specification. */ |
| #include <pthread.h> |
| |
| #if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS |
| # include "windows-tls.h" |
| #else |
| # include <stdlib.h> |
| #endif |
| |
| #if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS |
| /* Use Windows threads. */ |
| |
| int |
| pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *)) |
| { |
| return glwthread_tls_key_create (keyp, destructor); |
| } |
| |
| int |
| pthread_setspecific (pthread_key_t key, const void *value) |
| { |
| return glwthread_tls_set (key, (void *) value); |
| } |
| |
| void * |
| pthread_getspecific (pthread_key_t key) |
| { |
| return glwthread_tls_get (key); |
| } |
| |
| int |
| pthread_key_delete (pthread_key_t key) |
| { |
| return glwthread_tls_key_delete (key); |
| } |
| |
| #elif HAVE_PTHREAD_H |
| /* Provide workarounds for POSIX threads. */ |
| |
| #else |
| /* Provide a dummy implementation for single-threaded applications. */ |
| |
| int |
| pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *)) |
| { |
| pthread_key_t key = (void **) malloc (sizeof (void *)); |
| if (key == NULL) |
| return ENOMEM; |
| *key = NULL; |
| *keyp = key; |
| return 0; |
| } |
| |
| int |
| pthread_setspecific (pthread_key_t key, const void *value) |
| { |
| *key = (void *) value; |
| return 0; |
| } |
| |
| void * |
| pthread_getspecific (pthread_key_t key) |
| { |
| return *key; |
| } |
| |
| int |
| pthread_key_delete (pthread_key_t key) |
| { |
| free (key); |
| return 0; |
| } |
| |
| #endif |