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authorLennart Poettering <lennart@poettering.net>2015-11-01 21:50:24 +0100
committerLennart Poettering <lennart@poettering.net>2015-11-01 22:12:29 +0100
commite22aa3d3284709234f086ebebc13a905a295b7a7 (patch)
treed649e9c9ed3d624318ea91ae2f64faf1107451d4 /src/journal-remote/journal-remote.c
parent638b56cd3c703651013033b82000d2a9f2732048 (diff)
journald: never block when sending messages on NOTIFY_SOCKET socket
Otherwise we might run into deadlocks, when journald blocks on the notify socket on PID 1, and PID 1 blocks on IPC to dbus-daemon and dbus-daemon blocks on logging to journald. Break this cycle by making sure that journald never ever blocks on PID 1. Note that this change disables support for event loop watchdog support, as these messages are sent in blocking style by sd-event. That should not be a big loss though, as people reported frequent problems with the watchdog hitting journald on excessively slow IO. Fixes: #1505.
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