From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 25 Jan 2012 14:39:28 +0000 (-0500)
Subject: Fix lttng sessiond spawn wait race
X-Git-Tag: v2.0-pre19~49
X-Git-Url: http://git.lttng.org/?a=commitdiff_plain;ds=inline;h=5a532b6873b6d619381c0188b91e48106e639808;hp=5a532b6873b6d619381c0188b91e48106e639808;p=lttng-tools.git

Fix lttng sessiond spawn wait race

If the child is scheduled before the parent, using "pause()" in the
parent could be executed after the signal has been handled: that's
entirely racy. Use a proper signal handler and flag to handle this
racelessly.

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