From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 6 Jul 2015 21:28:34 +0000 (-0400)
Subject: Fix: handle sys_futex() FUTEX_WAIT interrupted by signal
X-Git-Tag: v2.7.0-rc1~10
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=549731b7fc86d6dfb63f1cbd03991f59567f96ba;hp=549731b7fc86d6dfb63f1cbd03991f59567f96ba

Fix: handle sys_futex() FUTEX_WAIT interrupted by signal

We need to handle EINTR returned by sys_futex() FUTEX_WAIT, otherwise a
signal interrupting this system call could make sys_futex return too
early, and therefore cause a synchronization issue.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---