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-rw-r--r--tests/pthread-thread.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/tests/pthread-thread.c b/tests/pthread-thread.c
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+++ b/tests/pthread-thread.c
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+/* Creating and controlling POSIX threads.
+ Copyright (C) 2010-2022 Free Software Foundation, Inc.
+
+ This file 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.
+
+ This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Paul Eggert, 2010, and Bruno Haible <bruno@clisp.org>, 2019. */
+
+#include <config.h>
+
+/* Specification. */
+#include <pthread.h>
+
+#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
+# include "windows-thread.h"
+#else
+# include <stdlib.h>
+#endif
+
+typedef void * (* pthread_main_function_t) (void *);
+
+#if ((defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS) || !HAVE_PTHREAD_H
+
+int
+pthread_attr_init (pthread_attr_t *attr)
+{
+ *attr = PTHREAD_CREATE_JOINABLE;
+ return 0;
+}
+
+int
+pthread_attr_getdetachstate (const pthread_attr_t *attr, int *detachstatep)
+{
+ *detachstatep = *attr & (PTHREAD_CREATE_JOINABLE | PTHREAD_CREATE_DETACHED);
+ return 0;
+}
+
+int
+pthread_attr_setdetachstate (pthread_attr_t *attr, int detachstate)
+{
+ if (!(detachstate == PTHREAD_CREATE_JOINABLE
+ || detachstate == PTHREAD_CREATE_DETACHED))
+ return EINVAL;
+ *attr ^= (*attr ^ detachstate)
+ & (PTHREAD_CREATE_JOINABLE | PTHREAD_CREATE_DETACHED);
+ return 0;
+}
+
+int
+pthread_attr_destroy (_GL_UNUSED pthread_attr_t *attr)
+{
+ return 0;
+}
+
+#endif
+
+#if (defined _WIN32 && ! defined __CYGWIN__) && USE_WINDOWS_THREADS
+/* Use Windows threads. */
+
+int
+pthread_create (pthread_t *threadp, const pthread_attr_t *attr,
+ pthread_main_function_t mainfunc, void *arg)
+{
+ unsigned int glwthread_attr =
+ (attr != NULL
+ && (*attr & (PTHREAD_CREATE_JOINABLE | PTHREAD_CREATE_DETACHED))
+ != PTHREAD_CREATE_JOINABLE
+ ? GLWTHREAD_ATTR_DETACHED
+ : 0);
+ return glwthread_thread_create (threadp, glwthread_attr, mainfunc, arg);
+}
+
+pthread_t
+pthread_self (void)
+{
+ return glwthread_thread_self ();
+}
+
+int
+pthread_equal (pthread_t thread1, pthread_t thread2)
+{
+ return thread1 == thread2;
+}
+
+int
+pthread_detach (pthread_t thread)
+{
+ return glwthread_thread_detach (thread);
+}
+
+int
+pthread_join (pthread_t thread, void **valuep)
+{
+ return glwthread_thread_join (thread, valuep);
+}
+
+void
+pthread_exit (void *value)
+{
+ glwthread_thread_exit (value);
+}
+
+#elif HAVE_PTHREAD_H
+/* Provide workarounds for POSIX threads. */
+
+# if PTHREAD_CREATE_IS_INLINE
+int
+pthread_create (pthread_t *threadp, const pthread_attr_t *attr,
+ pthread_main_function_t mainfunc, void *arg)
+# undef pthread_create
+{
+ return pthread_create (threadp, attr, mainfunc, arg);
+}
+
+int
+pthread_attr_init (pthread_attr_t *attr)
+# undef pthread_attr_init
+{
+ return pthread_attr_init (attr);
+}
+
+# endif
+
+#else
+/* Provide a dummy implementation for single-threaded applications. */
+
+int
+pthread_create (pthread_t *threadp, const pthread_attr_t *attr,
+ pthread_main_function_t mainfunc, void *arg)
+{
+ /* The maximum number of threads is reached. Do not create a thread. */
+ return EAGAIN;
+}
+
+pthread_t
+pthread_self (void)
+{
+ return 42;
+}
+
+int
+pthread_equal (pthread_t thread1, pthread_t thread2)
+{
+ return thread1 == thread2;
+}
+
+int
+pthread_detach (pthread_t thread)
+{
+ /* There are no joinable threads. */
+ return EINVAL;
+}
+
+int
+pthread_join (pthread_t thread, void **valuep)
+{
+ /* There are no joinable threads. */
+ return EINVAL;
+}
+
+void
+pthread_exit (void *value)
+{
+ /* There is just one thread, so the process exits. */
+ exit (0);
+}
+
+#endif