periodic.timer_fd's value is 0 on inititlize-failed case,
if no value-checking before read(), the code will run as
read(STDIN).
This patch fixed above case.
Signed-off-by: Zhao Lei <zhao...@cn.fujitsu.com>
---
task-utils.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/task-utils.c b/task-utils.c
index a4017ff..12b0002 100644
--- a/task-utils.c
+++ b/task-utils.c
@@ -119,6 +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;
--
1.8.5.1
--
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