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Support the add operation of urcu hash table
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
utils.c
diff --git
a/src/bin/lttng-sessiond/utils.c
b/src/bin/lttng-sessiond/utils.c
index 07f29adedcebc0570c81bc153fe07769991b4e69..5ea337450ecf63e8fc1f19b6e7e336804e869f68 100644
(file)
--- a/
src/bin/lttng-sessiond/utils.c
+++ b/
src/bin/lttng-sessiond/utils.c
@@
-31,7
+31,14
@@
int notify_thread_pipe(int wpipe)
{
int ret;
- ret = write(wpipe, "!", 1);
+ /* Ignore if the pipe is invalid. */
+ if (wpipe < 0) {
+ return 0;
+ }
+
+ do {
+ ret = write(wpipe, "!", 1);
+ } while (ret < 0 && errno == EINTR);
if (ret < 0) {
PERROR("write poll pipe");
}
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