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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-10-21 18:44:09 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-10-23 00:17:18 -0400
commita9becdd65bb4b64675bc0c109d14ab12b1ecd2b7 (patch)
tree45faa8c9e120afe1e8227926bc238d5e0eeb2920 /src/core/path.c
parent203af57fcdced5debfc26e1083eaefa031e322f4 (diff)
sd-daemon,man: ignore missing $WATCHDOG_PID
Systemd 209 started setting $WATCHDOG_PID, and sd-daemon watch was modified to check for this variable. This means that sd_watchdog_enabled() stopped working with previous versions of systemd. But sd-event is a public library and API and we must keep it working even when a program compiled with a newer version of the libary is used on a system running an older version of the manager. getenv() and unsetenv() are fairly expensive calls, so optimize sd_watchdog_enabled() by not calling them when unnecessary. man: centralize the description of $WATCHDOG_PID and $WATCHDOG_USEC in the sd_watchdog_enabled manpage. It is better not to repeat the same stuff in two places.
Diffstat (limited to 'src/core/path.c')
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