diff options
author | Jörg Frings-Fürst <debian@jff.email> | 2022-01-08 11:53:52 +0100 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2022-01-08 11:53:52 +0100 |
commit | fa838e76139763f902c7d27cb9e1d393ed6a15e4 (patch) | |
tree | 7d0ae09775ea950056193eaa2ca93844299d46f1 /tests/pthread-thread.c | |
parent | c78359d9542c86b972aac373efcf7bc7a8a560e5 (diff) | |
parent | 2959e59fab3bab834368adefd90bd4b1b094366b (diff) |
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'tests/pthread-thread.c')
-rw-r--r-- | tests/pthread-thread.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tests/pthread-thread.c b/tests/pthread-thread.c new file mode 100644 index 0000000..a5f07fb --- /dev/null +++ b/tests/pthread-thread.c @@ -0,0 +1,178 @@ +/* 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 |