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author | emaste <emaste@FreeBSD.org> | 2010-09-26 01:45:33 +0000 |
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committer | emaste <emaste@FreeBSD.org> | 2010-09-26 01:45:33 +0000 |
commit | a774d4e29c403d77f8e5419067d8c94733e670d7 (patch) | |
tree | 8fcb63d83cbeb4bc52b859255d723176947b12d5 /usr.sbin/watchdogd/watchdogd.c | |
parent | 7afff3e55e9b296722d109b0f12ce2ac9e0c7547 (diff) | |
download | FreeBSD-src-a774d4e29c403d77f8e5419067d8c94733e670d7.zip FreeBSD-src-a774d4e29c403d77f8e5419067d8c94733e670d7.tar.gz |
Protect the watchdog daemon against swap OOM killer. This is similar to
SVN r199804 which added protection to sshd, cron, syslogd, and inetd.
Diffstat (limited to 'usr.sbin/watchdogd/watchdogd.c')
-rw-r--r-- | usr.sbin/watchdogd/watchdogd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/usr.sbin/watchdogd/watchdogd.c b/usr.sbin/watchdogd/watchdogd.c index 4b58caf..7bae4ff 100644 --- a/usr.sbin/watchdogd/watchdogd.c +++ b/usr.sbin/watchdogd/watchdogd.c @@ -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(); |