Support starting containers concurrently

Trying to start multiple containers concurrently may cause lxc_monitor_read_timeout to fail as select call could be interrupted by a signal, handle it. Signed-off-by: S.Çağlar Onur <caglar@10ur.org> Acked-by: Stéphane Graber <stgraber@ubuntu.com>

Support starting containers concurrently
0a9362f5 · S.Çağlar Onur · Stéphane Graber · 15451ecf · 0a9362f5
Unverified Commit 0a9362f5 authored Apr 23, 2013 by S.Çağlar Onur Committed by Stéphane Graber Apr 25, 2013
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state.c src/lxc/state.c +5 -2

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--- a/src/lxc/state.c
+++ b/src/lxc/state.c
@@ -236,8 +236,11 @@ extern int lxc_wait(const char *lxcname, const char *states, int timeout, const 
 				goto out_close;
 			curtime = tv.tv_sec;
 		}
-		if (lxc_monitor_read_timeout(fd, &msg, timeout) < 0)
+		if (lxc_monitor_read_timeout(fd, &msg, timeout) < 0) {
-			goto out_close;
+			/* try again if select interrupted by signal */
+			if (errno != EINTR)
+				goto out_close;
+		}
 		if (timeout != -1) {
 			retval = gettimeofday(&tv, NULL);