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Protect the watchdog daemon against swap OOM killer. This is similar to

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SVN r199804 which added protection to sshd, cron, syslogd, and inetd.
This commit is contained in:
Ed Maste 2010-09-26 01:45:33 +00:00
parent 315490e031
commit f145c771fb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=213181
1 changed files with 3 additions and 0 deletions
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3
usr.sbin/watchdogd/watchdogd.c
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@ -31,6 +31,7 @@
#include <sys/types.h>
__FBSDID("$FreeBSD$");
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/rtprio.h>
#include <sys/stat.h>
@ -115,6 +116,8 @@ main(int argc, char *argv[])
signal(SIGTERM, sighandler);
pidfile_write(pfh);
if (madvise(0, 0, MADV_PROTECT) != 0)
warn("madvise failed");
watchdog_loop();