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Diffstat (limited to 'src/thread.c')
| -rw-r--r-- | src/thread.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/thread.c b/src/thread.c new file mode 100644 index 0000000..dbe93c8 --- /dev/null +++ b/src/thread.c @@ -0,0 +1,203 @@ +/* + * thread.c + * + * Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved. + * Copyright (c) 2012 Martin Szulecki, All Rights Reserved. + * + * This 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. + * + * This 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "common.h" +#include "libimobiledevice-glue/thread.h" + +LIBIMOBILEDEVICE_GLUE_API int thread_new(THREAD_T *thread, thread_func_t thread_func, void* data) +{ +#ifdef WIN32 + HANDLE th = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL); + if (th == NULL) { + return -1; + } + *thread = th; + return 0; +#else + int res = pthread_create(thread, NULL, thread_func, data); + return res; +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void thread_detach(THREAD_T thread) +{ +#ifdef WIN32 + CloseHandle(thread); +#else + pthread_detach(thread); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void thread_free(THREAD_T thread) +{ +#ifdef WIN32 + CloseHandle(thread); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API int thread_join(THREAD_T thread) +{ + /* wait for thread to complete */ +#ifdef WIN32 + return (int)WaitForSingleObject(thread, INFINITE); +#else + return pthread_join(thread, NULL); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API int thread_alive(THREAD_T thread) +{ + if (!thread) + return 0; +#ifdef WIN32 + return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT; +#else + return pthread_kill(thread, 0) == 0; +#endif +} + +LIBIMOBILEDEVICE_GLUE_API int thread_cancel(THREAD_T thread) +{ +#ifdef WIN32 + return -1; +#else +#ifdef HAVE_PTHREAD_CANCEL + return pthread_cancel(thread); +#else + return -1; +#endif +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void mutex_init(mutex_t* mutex) +{ +#ifdef WIN32 + InitializeCriticalSection(mutex); +#else + pthread_mutex_init(mutex, NULL); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void mutex_destroy(mutex_t* mutex) +{ +#ifdef WIN32 + DeleteCriticalSection(mutex); +#else + pthread_mutex_destroy(mutex); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void mutex_lock(mutex_t* mutex) +{ +#ifdef WIN32 + EnterCriticalSection(mutex); +#else + pthread_mutex_lock(mutex); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void mutex_unlock(mutex_t* mutex) +{ +#ifdef WIN32 + LeaveCriticalSection(mutex); +#else + pthread_mutex_unlock(mutex); +#endif +} + +LIBIMOBILEDEVICE_GLUE_API void thread_once(thread_once_t *once_control, void (*init_routine)(void)) +{ +#ifdef WIN32 + while (InterlockedExchange(&(once_control->lock), 1) != 0) { + Sleep(1); + } + if (!once_control->state) { + once_control->state = 1; + init_routine(); + } + InterlockedExchange(&(once_control->lock), 0); +#else + pthread_once(once_control, init_routine); +#endif +} + +void cond_init(cond_t* cond) +{ +#ifdef WIN32 + cond->sem = CreateSemaphore(NULL, 0, 32767, NULL); +#else + pthread_cond_init(cond, NULL); +#endif +} + +void cond_destroy(cond_t* cond) +{ +#ifdef WIN32 + CloseHandle(cond->sem); +#else + pthread_cond_destroy(cond); +#endif +} + +int cond_signal(cond_t* cond) +{ +#ifdef WIN32 + int result = 0; + if (!ReleaseSemaphore(cond->sem, 1, NULL)) { + result = -1; + } + return result; +#else + return pthread_cond_signal(cond); +#endif +} + +int cond_wait(cond_t* cond, mutex_t* mutex) +{ +#ifdef WIN32 + mutex_unlock(mutex); + WaitForSingleObject(cond->sem, INFINITE); +#else + return pthread_cond_wait(cond, mutex); +#endif +} + +int cond_wait_timeout(cond_t* cond, mutex_t* mutex, unsigned int timeout_ms) +{ +#ifdef WIN32 + mutex_unlock(mutex); + WaitForSingleObject(cond->sem, timeout_ms); +#else + struct timespec ts; + struct timeval now; + gettimeofday(&now, NULL); + + ts.tv_sec = now.tv_sec + timeout_ms / 1000; + ts.tv_nsec = now.tv_usec * 1000 + 1000 * 1000 * (timeout_ms % 1000); + ts.tv_sec += ts.tv_nsec / (1000 * 1000 * 1000); + ts.tv_nsec %= (1000 * 1000 * 1000); + + return pthread_cond_timedwait(cond, mutex, &ts); +#endif +} |