X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Futils.c;h=5ea337450ecf63e8fc1f19b6e7e336804e869f68;hb=a74934bae19f96845f7af4b95a8fae5c2f860747;hp=07f29adedcebc0570c81bc153fe07769991b4e69;hpb=81b8677518a0a8836d0b17e5c2a7fb43382a44c1;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index 07f29aded..5ea337450 100644
--- 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");
 	}