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104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* Copyright (c) 2023 Lain Bailey <lain@obsproject.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#pragma once
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/*
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* Allows posix thread usage on windows as well as other operating systems.
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* Use this header if you want to make your code more platform independent.
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*
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* Also provides a custom platform-independent "event" handler via
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* pthread conditional waits.
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*/
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#include "c99defs.h"
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#ifndef _MSC_VER
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#include <errno.h>
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#endif
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#include <pthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _WIN32
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#include "threading-windows.h"
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#else
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#include "threading-posix.h"
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#endif
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/* this may seem strange, but you can't use it unless it's an initializer */
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static inline void pthread_mutex_init_value(pthread_mutex_t *mutex)
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{
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pthread_mutex_t init_val = PTHREAD_MUTEX_INITIALIZER;
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if (!mutex)
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return;
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*mutex = init_val;
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}
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static inline int pthread_mutex_init_recursive(pthread_mutex_t *mutex)
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{
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pthread_mutexattr_t attr;
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int ret = pthread_mutexattr_init(&attr);
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if (ret == 0) {
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ret = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
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if (ret == 0) {
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ret = pthread_mutex_init(mutex, &attr);
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}
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pthread_mutexattr_destroy(&attr);
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}
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return ret;
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}
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enum os_event_type {
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OS_EVENT_TYPE_AUTO,
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OS_EVENT_TYPE_MANUAL,
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};
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struct os_event_data;
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struct os_sem_data;
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typedef struct os_event_data os_event_t;
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typedef struct os_sem_data os_sem_t;
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EXPORT int os_event_init(os_event_t **event, enum os_event_type type);
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EXPORT void os_event_destroy(os_event_t *event);
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EXPORT int os_event_wait(os_event_t *event);
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EXPORT int os_event_timedwait(os_event_t *event, unsigned long milliseconds);
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EXPORT int os_event_try(os_event_t *event);
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EXPORT int os_event_signal(os_event_t *event);
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EXPORT void os_event_reset(os_event_t *event);
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EXPORT int os_sem_init(os_sem_t **sem, int value);
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EXPORT void os_sem_destroy(os_sem_t *sem);
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EXPORT int os_sem_post(os_sem_t *sem);
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EXPORT int os_sem_wait(os_sem_t *sem);
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EXPORT void os_set_thread_name(const char *name);
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#ifdef _MSC_VER
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#define THREAD_LOCAL __declspec(thread)
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#else
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#define THREAD_LOCAL __thread
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#endif
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#ifdef __cplusplus
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}
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#endif
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