From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Thu, 25 Jun 2009 21:12:07 +0000 (-0400)
Subject: put poll() calls in loops in case they are interrupted by signals
X-Git-Tag: v0.1~183
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=69ba01560f9193dbf4ad2fc8361efb725704807c;p=ust.git

put poll() calls in loops in case they are interrupted by signals
---

diff --git a/libust/tracectl.c b/libust/tracectl.c
index a68dc7b..5ccd1f5 100644
--- a/libust/tracectl.c
+++ b/libust/tracectl.c
@@ -164,7 +164,8 @@ void process_blocked_consumers(void)
 		idx++;
 	}
 
-	result = poll(fds, n_fds, 0);
+	while((result = poll(fds, n_fds, 0)) == -1 && errno == EINTR)
+		/* nothing */;
 	if(result == -1) {
 		PERROR("poll");
 		return;
diff --git a/libustcomm/ustcomm.c b/libustcomm/ustcomm.c
index 225d199..0a5ab6a 100644
--- a/libustcomm/ustcomm.c
+++ b/libustcomm/ustcomm.c
@@ -272,7 +272,8 @@ int ustcomm_recv_message(struct ustcomm_server *server, char **msg, struct ustco
 			idx++;
 		}
 
-		result = poll(fds, n_fds, timeout);
+		while((result = poll(fds, n_fds, timeout)) == -1 && errno == EINTR)
+			/* nothing */;
 		if(result == -1) {
 			PERROR("poll");
 			return -1;