From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 1 Mar 2012 04:34:11 +0000 (-0500)
Subject: Fix: sessiond app listening: use posix-compliant poll flags
X-Git-Tag: v2.0.0-rc3~21
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=a9ade9664f81a422c669f7a043c10479bb82ff42;p=lttng-tools.git

Fix: sessiond app listening: use posix-compliant poll flags

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 1fc875576..922e81b59 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -1174,8 +1174,10 @@ static void *thread_manage_apps(void *data)
 						/*
 						 * We just need here to monitor the close of the UST
 						 * socket and poll set monitor those by default.
+						 * Listen on POLLIN (even if we never expect any
+						 * data) to ensure that hangup wakes us.
 						 */
-						ret = lttng_poll_add(&events, ust_cmd.sock, 0);
+						ret = lttng_poll_add(&events, ust_cmd.sock, LPOLLIN);
 						if (ret < 0) {
 							goto error;
 						}