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Fix lttng sessiond spawn wait race
author
Mathieu Desnoyers
<mathieu.desnoyers@efficios.com>
Wed, 25 Jan 2012 14:39:28 +0000
(09:39 -0500)
committer
Mathieu Desnoyers
<mathieu.desnoyers@efficios.com>
Wed, 25 Jan 2012 14:39:28 +0000
(09:39 -0500)
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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