Date: Thu, 17 Nov 2016 15:25:26 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r308766 - stable/10/usr.sbin/watchdogd Message-ID: <201611171525.uAHFPQjG076727@repo.freebsd.org>
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Author: avg Date: Thu Nov 17 15:25:26 2016 New Revision: 308766 URL: https://svnweb.freebsd.org/changeset/base/308766 Log: MFC r308040,308479: nap time between pats is forced to be at most half of the timeout Note that in this branch the default nap period is 1 second unlike the head where the period is 10 seconds. Modified: stable/10/usr.sbin/watchdogd/watchdogd.c Directory Properties: stable/10/ (props changed) Modified: stable/10/usr.sbin/watchdogd/watchdogd.c ============================================================================== --- stable/10/usr.sbin/watchdogd/watchdogd.c Thu Nov 17 15:22:55 2016 (r308765) +++ stable/10/usr.sbin/watchdogd/watchdogd.c Thu Nov 17 15:25:26 2016 (r308766) @@ -80,7 +80,8 @@ static u_int timeout = WD_TO_128SEC; static u_int exit_timeout = WD_TO_NEVER; static u_int pretimeout = 0; static u_int timeout_sec; -static u_int passive = 0; +static u_int nap = 1; +static int passive = 0; static int is_daemon = 0; static int is_dry_run = 0; /* do not arm the watchdog, only report on timing of the watch @@ -88,7 +89,6 @@ static int is_dry_run = 0; /* do not ar static int do_timedog = 0; static int do_syslog = 1; static int fd = -1; -static int nap = 1; static int carp_thresh_seconds = -1; static char *test_cmd = NULL; @@ -685,10 +685,15 @@ seconds_to_pow2ns(int seconds) static void parseargs(int argc, char *argv[]) { + struct timespec ts; int longindex; int c; const char *lopt; + /* Get the default value of timeout_sec from the default timeout. */ + pow2ns_to_ts(timeout, &ts); + timeout_sec = ts.tv_sec; + /* * if we end with a 'd' aka 'watchdogd' then we are the daemon program, * otherwise run as a command line utility. @@ -731,9 +736,9 @@ parseargs(int argc, char *argv[]) case 't': timeout_sec = atoi(optarg); timeout = parse_timeout_to_pow2ns(c, NULL, optarg); - if (debugging) - printf("Timeout is 2^%d nanoseconds\n", - timeout); + if (debugging) + printf("Timeout is 2^%d nanoseconds\n", + timeout); break; case 'T': carp_thresh_seconds = @@ -771,6 +776,9 @@ parseargs(int argc, char *argv[]) } } + if (nap > timeout_sec / 2) + nap = timeout_sec / 2; + if (carp_thresh_seconds == -1) carp_thresh_seconds = nap; @@ -779,10 +787,7 @@ parseargs(int argc, char *argv[]) if (is_daemon && timeout < WD_TO_1SEC) errx(EX_USAGE, "-t argument is less than one second."); if (pretimeout_set) { - struct timespec ts; - - pow2ns_to_ts(timeout, &ts); - if (pretimeout >= (uintmax_t)ts.tv_sec) { + if (pretimeout >= timeout_sec) { errx(EX_USAGE, "pretimeout (%d) >= timeout (%d -> %ld)\n" "see manual section TIMEOUT RESOLUTION",
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