95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/* POSIX thread-specific storage.
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Copyright (C) 2010-2024 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file 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
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2019. */
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#include <config.h>
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/* Specification. */
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#include <pthread.h>
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#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
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# include "windows-tls.h"
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#else
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# include <stdlib.h>
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#endif
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#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
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/* Use Windows threads. */
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int
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pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
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{
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return glwthread_tls_key_create (keyp, destructor);
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}
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int
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pthread_setspecific (pthread_key_t key, const void *value)
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{
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return glwthread_tls_set (key, (void *) value);
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}
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void *
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pthread_getspecific (pthread_key_t key)
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{
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return glwthread_tls_get (key);
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}
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int
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pthread_key_delete (pthread_key_t key)
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{
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return glwthread_tls_key_delete (key);
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}
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#elif HAVE_PTHREAD_H
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/* Provide workarounds for POSIX threads. */
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#else
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/* Provide a dummy implementation for single-threaded applications. */
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int
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pthread_key_create (pthread_key_t *keyp, void (*destructor) (void *))
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{
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pthread_key_t key = (void **) malloc (sizeof (void *));
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if (key == NULL)
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return ENOMEM;
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*key = NULL;
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*keyp = key;
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return 0;
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}
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int
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pthread_setspecific (pthread_key_t key, const void *value)
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{
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*key = (void *) value;
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return 0;
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}
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void *
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pthread_getspecific (pthread_key_t key)
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{
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return *key;
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}
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int
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pthread_key_delete (pthread_key_t key)
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{
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free (key);
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return 0;
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}
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#endif
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