Fix: ignore SIGPIPE
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Thu, 6 Oct 2016 16:57:45 +0000 (12:57 -0400)
committerJérémie Galarneau <jeremie.galarneau@efficios.com>
Fri, 7 Oct 2016 04:44:05 +0000 (00:44 -0400)
commit0072e5e28fb5f18daffb930be7efd55d2474e6ad
treee6da8777f08fb802ee101431aa9d2bec2aebcded
parentb6d4654aed5d8661ef4ccba1b4d6967c89dd5c65
Fix: ignore SIGPIPE

Issuing fprintf() to stderr (thus write() to the standard error file
descriptor) within the SIGPIPE signal handler is bad: it can trigger
SIGPIPE repeatedly if the listening end has closed its end of the pipe.

Set the SIGPIPE action to SIG_IGN in relayd, sessiond, and consumerd.

This was affecting sessiond and relayd. The consumerd did not print
anything to stderr.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
src/bin/lttng-consumerd/lttng-consumerd.c
src/bin/lttng-relayd/main.c
src/bin/lttng-sessiond/main.c
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