From 4ed895c79920fdc7acea2353723cdd1ff76a5d29 Mon Sep 17 00:00:00 2001
From: Thomas Jansen <mithi@mithi.net>
Date: Sun, 28 Dec 2008 21:02:30 +0100
Subject: dirvec: migrate from pthread to glib threads

---
 src/dirvec.c | 46 +++++++++++++++++++++++++++++-----------------
 src/dirvec.h |  4 ++++
 src/main.c   |  3 +++
 3 files changed, 36 insertions(+), 17 deletions(-)

diff --git a/src/dirvec.c b/src/dirvec.c
index b24512a1..cf65fe65 100644
--- a/src/dirvec.c
+++ b/src/dirvec.c
@@ -5,9 +5,8 @@
 
 #include <string.h>
 #include <glib.h>
-#include <pthread.h>
 
-static pthread_mutex_t nr_lock = PTHREAD_MUTEX_INITIALIZER;
+static GMutex *nr_lock = NULL;
 
 static size_t dv_size(const struct dirvec *dv)
 {
@@ -22,11 +21,24 @@ static int dirvec_cmp(const void *d1, const void *d2)
 	return strcmp(a->path, b->path);
 }
 
+void dirvec_init(void)
+{
+	g_assert(nr_lock == NULL);
+	nr_lock = g_mutex_new();
+}
+
+void dirvec_deinit(void)
+{
+	g_assert(nr_lock != NULL);
+	g_mutex_free(nr_lock);
+	nr_lock = NULL;
+}
+
 void dirvec_sort(struct dirvec *dv)
 {
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	qsort(dv->base, dv->nr, sizeof(struct directory *), dirvec_cmp);
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 }
 
 struct directory *dirvec_find(const struct dirvec *dv, const char *path)
@@ -37,13 +49,13 @@ struct directory *dirvec_find(const struct dirvec *dv, const char *path)
 
 	base = g_path_get_basename(path);
 
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	for (i = dv->nr; --i >= 0; )
 		if (!strcmp(directory_get_name(dv->base[i]), base)) {
 			ret = dv->base[i];
 			break;
 		}
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 
 	g_free(base);
 	return ret;
@@ -53,13 +65,13 @@ int dirvec_delete(struct dirvec *dv, struct directory *del)
 {
 	size_t i;
 
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	for (i = 0; i < dv->nr; ++i) {
 		if (dv->base[i] != del)
 			continue;
 		/* we _don't_ call directory_free() here */
 		if (!--dv->nr) {
-			pthread_mutex_unlock(&nr_lock);
+			g_mutex_unlock(nr_lock);
 			free(dv->base);
 			dv->base = NULL;
 			return i;
@@ -70,25 +82,25 @@ int dirvec_delete(struct dirvec *dv, struct directory *del)
 		}
 		break;
 	}
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 
 	return i;
 }
 
 void dirvec_add(struct dirvec *dv, struct directory *add)
 {
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	++dv->nr;
 	dv->base = xrealloc(dv->base, dv_size(dv));
 	dv->base[dv->nr - 1] = add;
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 }
 
 void dirvec_destroy(struct dirvec *dv)
 {
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	dv->nr = 0;
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 	if (dv->base) {
 		free(dv->base);
 		dv->base = NULL;
@@ -101,20 +113,20 @@ int dirvec_for_each(const struct dirvec *dv,
 	size_t i;
 	size_t prev_nr;
 
-	pthread_mutex_lock(&nr_lock);
+	g_mutex_lock(nr_lock);
 	for (i = 0; i < dv->nr; ) {
 		struct directory *dir = dv->base[i];
 
 		assert(dir);
 		prev_nr = dv->nr;
-		pthread_mutex_unlock(&nr_lock);
+		g_mutex_unlock(nr_lock);
 		if (fn(dir, arg) < 0)
 			return -1;
-		pthread_mutex_lock(&nr_lock); /* dv->nr may change in fn() */
+		g_mutex_lock(nr_lock); /* dv->nr may change in fn() */
 		if (prev_nr == dv->nr)
 			++i;
 	}
-	pthread_mutex_unlock(&nr_lock);
+	g_mutex_unlock(nr_lock);
 
 	return 0;
 }
diff --git a/src/dirvec.h b/src/dirvec.h
index fe983e25..dd49b9b5 100644
--- a/src/dirvec.h
+++ b/src/dirvec.h
@@ -8,6 +8,10 @@ struct dirvec {
 	size_t nr;
 };
 
+void dirvec_init(void);
+
+void dirvec_deinit(void);
+
 void dirvec_sort(struct dirvec *dv);
 
 struct directory *dirvec_find(const struct dirvec *dv, const char *path);
diff --git a/src/main.c b/src/main.c
index e9f696bb..1e7f0ac1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -50,6 +50,7 @@
 #include "zeroconf.h"
 #include "main_notify.h"
 #include "os_compat.h"
+#include "dirvec.h"
 
 #ifdef ENABLE_ARCHIVE
 #include "archive_list.h"
@@ -269,6 +270,7 @@ int main(int argc, char *argv[])
 	g_thread_init(NULL);
 
 	idle_init();
+	dirvec_init();
 	initConf();
 
 	parseOptions(argc, argv, &options);
@@ -383,6 +385,7 @@ int main(int argc, char *argv[])
 	music_pipe_free();
 	cleanUpPidFile();
 	finishConf();
+	dirvec_deinit();
 	idle_deinit();
 
 	close_log_files();
-- 
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