diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile.am | 2 | ||||
| -rw-r--r-- | common/thread.c | 140 | ||||
| -rw-r--r-- | common/thread.h | 76 |
3 files changed, 218 insertions, 0 deletions
diff --git a/common/Makefile.am b/common/Makefile.am index 8acf04b..ca8180c 100644 --- a/common/Makefile.am +++ b/common/Makefile.am @@ -5,8 +5,10 @@ noinst_LTLIBRARIES = libinternalcommon.la libinternalcommon_la_LIBADD = libinternalcommon_la_SOURCES = \ socket.c \ + thread.c \ collection.c \ socket.h \ + thread.h \ collection.h if WIN32 diff --git a/common/thread.c b/common/thread.c new file mode 100644 index 0000000..da7eb21 --- /dev/null +++ b/common/thread.c @@ -0,0 +1,140 @@ +/* + * 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 "thread.h" + +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 +} + +void thread_detach(THREAD_T thread) +{ +#ifdef WIN32 + CloseHandle(thread); +#else + pthread_detach(thread); +#endif +} + +void thread_free(THREAD_T thread) +{ +#ifdef WIN32 + CloseHandle(thread); +#endif +} + +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 +} + +int thread_alive(THREAD_T thread) +{ +#ifdef WIN32 + return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT; +#else + return pthread_kill(thread, 0) == 0; +#endif +} + +int thread_cancel(THREAD_T thread) +{ +#ifdef WIN32 + return 0; +#else +#ifdef HAVE_PTHREAD_CANCEL + return pthread_cancel(thread); +#else + return 0; +#endif +#endif +} + +void mutex_init(mutex_t* mutex) +{ +#ifdef WIN32 + InitializeCriticalSection(mutex); +#else + pthread_mutex_init(mutex, NULL); +#endif +} + +void mutex_destroy(mutex_t* mutex) +{ +#ifdef WIN32 + DeleteCriticalSection(mutex); +#else + pthread_mutex_destroy(mutex); +#endif +} + +void mutex_lock(mutex_t* mutex) +{ +#ifdef WIN32 + EnterCriticalSection(mutex); +#else + pthread_mutex_lock(mutex); +#endif +} + +void mutex_unlock(mutex_t* mutex) +{ +#ifdef WIN32 + LeaveCriticalSection(mutex); +#else + pthread_mutex_unlock(mutex); +#endif +} + +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 +} diff --git a/common/thread.h b/common/thread.h new file mode 100644 index 0000000..23e4510 --- /dev/null +++ b/common/thread.h @@ -0,0 +1,76 @@ +/* + * thread.h + * + * 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 + */ + +#ifndef __THREAD_H +#define __THREAD_H + +#include <stddef.h> + +#ifdef WIN32 +#include <windows.h> +typedef HANDLE THREAD_T; +typedef CRITICAL_SECTION mutex_t; +typedef volatile struct { + LONG lock; + int state; +} thread_once_t; +#define THREAD_ONCE_INIT {0, 0} +#define THREAD_ID GetCurrentThreadId() +#define THREAD_T_NULL (THREAD_T)NULL +#else +#include <pthread.h> +#include <signal.h> +typedef pthread_t THREAD_T; +typedef pthread_mutex_t mutex_t; +typedef pthread_once_t thread_once_t; +#define THREAD_ONCE_INIT PTHREAD_ONCE_INIT +#define THREAD_ID pthread_self() +#define THREAD_T_NULL (THREAD_T)NULL +#endif + +typedef void* (*thread_func_t)(void* data); + +int thread_new(THREAD_T* thread, thread_func_t thread_func, void* data); +void thread_detach(THREAD_T thread); +void thread_free(THREAD_T thread); +int thread_join(THREAD_T thread); +int thread_alive(THREAD_T thread); + +int thread_cancel(THREAD_T thread); + +#ifdef WIN32 +#undef HAVE_THREAD_CLEANUP +#else +#ifdef HAVE_PTHREAD_CANCEL +#define HAVE_THREAD_CLEANUP 1 +#define thread_cleanup_push(routine, arg) pthread_cleanup_push(routine, arg) +#define thread_cleanup_pop(execute) pthread_cleanup_pop(execute) +#endif +#endif + +void mutex_init(mutex_t* mutex); +void mutex_destroy(mutex_t* mutex); +void mutex_lock(mutex_t* mutex); +void mutex_unlock(mutex_t* mutex); + +void thread_once(thread_once_t *once_control, void (*init_routine)(void)); + +#endif |