X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Futils.c;h=5ea337450ecf63e8fc1f19b6e7e336804e869f68;hb=6242251b39f531a2485b758edcb455e220267fdd;hp=ce2e97561f0170c3dbdb072370e79b1e5ec502ae;hpb=d14d33bf091e72b23b1f90ea18a0a01bed098b76;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index ce2e97561..5ea337450 100644
--- a/src/bin/lttng-sessiond/utils.c
+++ b/src/bin/lttng-sessiond/utils.c
@@ -17,11 +17,7 @@
  */
 
 #define _GNU_SOURCE
-#include <errno.h>
-#include <limits.h>
-#include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
 
 #include <common/error.h>
@@ -35,7 +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");
 	}