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- From 4bf1b65f3ca244e47e9a7d6f0c475f402aea0d44 Mon Sep 17 00:00:00 2001
- From: Brent Cook <busterb@gmail.com>
- Date: Wed, 31 Dec 2014 08:26:41 -0600
- Subject: [PATCH 16/16] add -p option to create a pid file
-
- This is used in both the Gentoo and Debian ports.
-
- Origin: https://bugs.gentoo.org/show_bug.cgi?id=493082
- ---
- src/usr.sbin/ntpd/ntpd.8 | 4 ++++
- src/usr.sbin/ntpd/ntpd.c | 33 ++++++++++++++++++++++++++++-----
- src/usr.sbin/ntpd/ntpd.h | 1 +
- 3 files changed, 33 insertions(+), 5 deletions(-)
-
- diff --git a/src/usr.sbin/ntpd/ntpd.8 b/src/usr.sbin/ntpd/ntpd.8
- index 18b12e8..9eb1fee 100644
- --- a/src/usr.sbin/ntpd/ntpd.8
- +++ b/src/usr.sbin/ntpd/ntpd.8
- @@ -25,6 +25,7 @@
- .Bk -words
- .Op Fl dnSsv
- .Op Fl f Ar file
- +.Op Fl p Ar file
- .Ek
- .Sh DESCRIPTION
- The
- @@ -56,6 +57,9 @@ instead of the default
- .It Fl n
- Configtest mode.
- Only check the configuration file for validity.
- +.It Fl p Ar file
- +Write pid to
- +.Ar file
- .It Fl S
- Do not set the time immediately at startup.
- This is the default.
- diff --git a/src/usr.sbin/ntpd/ntpd.c b/src/usr.sbin/ntpd/ntpd.c
- index 3622a13..b6b3663 100644
- --- a/src/usr.sbin/ntpd/ntpd.c
- +++ b/src/usr.sbin/ntpd/ntpd.c
- @@ -84,6 +84,18 @@ sighdlr(int sig)
- }
- }
-
- +void
- +writepid(struct ntpd_conf *lconf)
- +{
- + if (lconf->pid_file != NULL) {
- + FILE *f = fopen(lconf->pid_file, "w");
- + if (f == NULL)
- + fatal("couldn't open pid file");
- + fprintf(f, "%ld\n", (long) getpid());
- + fclose(f);
- + }
- +}
- +
- __dead void
- usage(void)
- {
- @@ -92,7 +104,7 @@ usage(void)
- if (strcmp(__progname, "ntpctl") == 0)
- fprintf(stderr, "usage: ntpctl [-s all | peers | Sensors | status]\n");
- else
- - fprintf(stderr, "usage: %s [-dnSsv] [-f file]\n",
- + fprintf(stderr, "usage: %s [-dnSsv] [-f file] [-p file]\n",
- __progname);
- exit(1);
- }
- @@ -124,7 +136,7 @@ main(int argc, char *argv[])
-
- log_init(1); /* log to stderr until daemonized */
-
- - while ((ch = getopt(argc, argv, "df:nsSv")) != -1) {
- + while ((ch = getopt(argc, argv, "df:np:sSv")) != -1) {
- switch (ch) {
- case 'd':
- lconf.debug = 1;
- @@ -135,6 +147,9 @@ main(int argc, char *argv[])
- case 'n':
- lconf.noaction = 1;
- break;
- + case 'p':
- + lconf.pid_file = optarg;
- + break;
- case 's':
- lconf.settime = 1;
- break;
- @@ -175,9 +190,11 @@ main(int argc, char *argv[])
- reset_adjtime();
- if (!lconf.settime) {
- log_init(lconf.debug);
- - if (!lconf.debug)
- + if (!lconf.debug) {
- if (daemon(1, 0))
- fatal("daemon");
- + writepid(&lconf);
- + }
- } else
- timeout = SETTIME_TIMEOUT * 1000;
-
- @@ -227,9 +244,11 @@ main(int argc, char *argv[])
- log_init(lconf.debug);
- log_debug("no reply received in time, skipping initial "
- "time setting");
- - if (!lconf.debug)
- + if (!lconf.debug) {
- if (daemon(1, 0))
- fatal("daemon");
- + writepid(&lconf);
- + }
- }
-
- if (nfds > 0 && (pfd[PFD_PIPE].revents & POLLOUT))
- @@ -268,6 +287,8 @@ main(int argc, char *argv[])
- msgbuf_clear(&ibuf->w);
- free(ibuf);
- log_info("Terminating");
- + if (lconf.pid_file != NULL)
- + unlink(lconf.pid_file);
- return (0);
- }
-
- @@ -343,9 +364,11 @@ dispatch_imsg(struct ntpd_conf *lconf)
- memcpy(&d, imsg.data, sizeof(d));
- ntpd_settime(d);
- /* daemonize now */
- - if (!lconf->debug)
- + if (!lconf->debug) {
- if (daemon(1, 0))
- fatal("daemon");
- + writepid(lconf);
- + }
- lconf->settime = 0;
- timeout = INFTIM;
- break;
- diff --git a/src/usr.sbin/ntpd/ntpd.h b/src/usr.sbin/ntpd/ntpd.h
- index efb0c61..136bdd2 100644
- --- a/src/usr.sbin/ntpd/ntpd.h
- +++ b/src/usr.sbin/ntpd/ntpd.h
- @@ -201,6 +201,7 @@ struct ntpd_conf {
- u_int8_t debug;
- u_int8_t noaction;
- u_int8_t filters;
- + char *pid_file;
- };
-
- struct ctl_show_status {
- --
- 1.9.1
-
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