Imported Upstream version 0.13.2+dsfg1

libobs/util/threading.h

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2013-2014 Hugh Bailey <obs.jim@gmail.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+/*
+ *   Allows posix thread usage on windows as well as other operating systems.
+ * Use this header if you want to make your code more platform independent.
+ *
+ *   Also provides a custom platform-independent "event" handler via
+ * pthread conditional waits.
+ */
+
+#include "c99defs.h"
+
+#ifdef _MSC_VER
+#include "../../deps/w32-pthreads/pthread.h"
+#else
+#include <errno.h>
+#include <pthread.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef _WIN32
+#include "threading-windows.h"
+#else
+#include "threading-posix.h"
+#endif
+
+/* this may seem strange, but you can't use it unless it's an initializer */
+static inline void pthread_mutex_init_value(pthread_mutex_t *mutex)
+{
+	pthread_mutex_t init_val = PTHREAD_MUTEX_INITIALIZER;
+	if (!mutex)
+		return;
+
+	*mutex = init_val;
+}
+
+enum os_event_type {
+	OS_EVENT_TYPE_AUTO,
+	OS_EVENT_TYPE_MANUAL
+};
+
+struct os_event_data;
+struct os_sem_data;
+typedef struct os_event_data os_event_t;
+typedef struct os_sem_data   os_sem_t;
+
+EXPORT int  os_event_init(os_event_t **event, enum os_event_type type);
+EXPORT void os_event_destroy(os_event_t *event);
+EXPORT int  os_event_wait(os_event_t *event);
+EXPORT int  os_event_timedwait(os_event_t *event, unsigned long milliseconds);
+EXPORT int  os_event_try(os_event_t *event);
+EXPORT int  os_event_signal(os_event_t *event);
+EXPORT void os_event_reset(os_event_t *event);
+
+EXPORT int  os_sem_init(os_sem_t **sem, int value);
+EXPORT void os_sem_destroy(os_sem_t *sem);
+EXPORT int  os_sem_post(os_sem_t *sem);
+EXPORT int  os_sem_wait(os_sem_t *sem);
+
+EXPORT void os_set_thread_name(const char *name);
+
+
+#ifdef __cplusplus
+}
+#endif