output: migrate from pthread to glib threads

src/output_control.c

@@ -77,7 +77,7 @@ audio_output_open(struct audio_output *audioOutput,
 			audio_output_close(audioOutput);
 	}
 
-	if (audioOutput->thread == 0)
+	if (audioOutput->thread == NULL)
 		audio_output_thread_start(audioOutput);
 
 	if (!audioOutput->open)
@@ -135,7 +135,7 @@ void audio_output_close(struct audio_output *audioOutput)
 void audio_output_finish(struct audio_output *audioOutput)
 {
 	audio_output_close(audioOutput);
-	if (audioOutput->thread != 0)
+	if (audioOutput->thread != NULL)
 		ao_command(audioOutput, AO_COMMAND_KILL);
 	if (audioOutput->plugin->finish)
 		audioOutput->plugin->finish(audioOutput->data);

src/output_init.c

@@ -102,7 +102,7 @@ int audio_output_init(struct audio_output *ao, ConfigParam * param)
 	} else
 		audio_format_clear(&ao->reqAudioFormat);
 
-	ao->thread = 0;
+	ao->thread = NULL;
 	notify_init(&ao->notify);
 	ao->command = AO_COMMAND_NONE;
 

src/output_internal.h

@@ -23,7 +23,6 @@
 #include "pcm_utils.h"
 #include "notify.h"
 
-#include <pthread.h>
 #include <time.h>
 
 struct audio_output {
@@ -84,10 +83,10 @@ struct audio_output {
 	size_t convBufferLen;
 
 	/**
-	 * The thread handle, or "0" if the output thread isn't
+	 * The thread handle, or NULL if the output thread isn't
 	 * running.
 	 */
-	pthread_t thread;
+	GThread *thread;
 
 	/**
 	 * Notify object for the thread.

src/output_thread.c

@@ -106,7 +106,7 @@ static void ao_pause(struct audio_output *ao)
 	}
 }
 
-static void *audio_output_task(void *arg)
+static gpointer audio_output_task(gpointer arg)
 {
 	struct audio_output *ao = arg;
 	bool ret;
@@ -167,12 +167,10 @@ static void *audio_output_task(void *arg)
 
 void audio_output_thread_start(struct audio_output *ao)
 {
-	pthread_attr_t attr;
+	GError *e;
 
 	assert(ao->command == AO_COMMAND_NONE);
 
-	pthread_attr_init(&attr);
-	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-	if (pthread_create(&ao->thread, &attr, audio_output_task, ao))
-		g_error("Failed to spawn output task: %s\n", strerror(errno));
+	if (!(ao->thread = g_thread_create(audio_output_task, ao, FALSE, &e)))
+		g_error("Failed to spawn output task: %s\n", e->message);
 }