From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Mon, 28 Sep 2009 23:49:02 +0000 (-0400)
Subject: improve fork handling
X-Git-Tag: v0.1~113
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=60e57148f47eb3a3116de47e23516fc5df8c968e;p=ust.git

improve fork handling
---

diff --git a/libust/tracectl.c b/libust/tracectl.c
index 51460d1..faa4714 100644
--- a/libust/tracectl.c
+++ b/libust/tracectl.c
@@ -1006,13 +1006,15 @@ static void __attribute__((constructor(1000))) init()
 			return;
 		}
 
-		inform_consumer_daemon(trace_name);
-
 		result = ltt_trace_start(trace_name);
 		if(result < 0) {
 			ERR("ltt_trace_start failed");
 			return;
 		}
+
+		/* Do this after the trace is started in order to avoid creating confusion
+		 * if the trace fails to start. */
+		inform_consumer_daemon(trace_name);
 	}
 
 
diff --git a/libustcomm/ustcomm.c b/libustcomm/ustcomm.c
index 2e490b5..6044c27 100644
--- a/libustcomm/ustcomm.c
+++ b/libustcomm/ustcomm.c
@@ -89,7 +89,7 @@ static int send_message_fd(int fd, const char *msg)
 {
 	int result;
 
-	result = send(fd, msg, strlen(msg), 0);
+	result = send(fd, msg, strlen(msg), MSG_NOSIGNAL);
 	if(result == -1) {
 		PERROR("send");
 		return -1;