X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=task-utils.c;h=12b00027a2bae479f130252b501cd1dfd5104727;hb=dcb174ce2e2c9be1eaad73757d0312246560ba3d;hp=17fd57361c38392c149a472c4c6e973b0a058b2d;hpb=c3b69e59fc4e165bdabea130905e9b9525dfaeba;p=platform%2Fupstream%2Fbtrfs-progs.git

diff --git a/task-utils.c b/task-utils.c
index 17fd573..12b0002 100644
--- a/task-utils.c
+++ b/task-utils.c
@@ -51,7 +51,7 @@ int task_start(struct task_info *info)
 			     info->private_data);
 
 	if (ret)
-		info->id = -1;
+		info->id = 0;
 
 	return ret;
 }
@@ -64,10 +64,13 @@ void task_stop(struct task_info *info)
 	if (info->id > 0) {
 		pthread_cancel(info->id);
 		pthread_join(info->id, NULL);
+		info->id = 0;
 	}
 
-	if (info->periodic.timer_fd)
+	if (info->periodic.timer_fd) {
 		close(info->periodic.timer_fd);
+		info->periodic.timer_fd = 0;
+	}
 
 	if (info->postfn)
 		info->postfn(info->private_data);
@@ -91,8 +94,10 @@ int task_period_start(struct task_info *info, unsigned int period_ms)
 		return -1;
 
 	info->periodic.timer_fd = timerfd_create(CLOCK_MONOTONIC, 0);
-	if (info->periodic.timer_fd == -1)
+	if (info->periodic.timer_fd == -1) {
+		info->periodic.timer_fd = 0;
 		return info->periodic.timer_fd;
+	}
 
 	info->periodic.wakeups_missed = 0;
 
@@ -114,6 +119,9 @@ void task_period_wait(struct task_info *info)
 	if (!info)
 		return;
 
+	if (info->periodic.timer_fd == 0)
+		return;
+
 	ret = read(info->periodic.timer_fd, &missed, sizeof (missed));
 	if (ret == -1)
 		return;
@@ -130,5 +138,6 @@ void task_period_stop(struct task_info *info)
 	if (info->periodic.timer_fd) {
 		timerfd_settime(info->periodic.timer_fd, 0, NULL, NULL);
 		close(info->periodic.timer_fd);
+		info->periodic.timer_fd = -1;
 	}
 }