From 1ac8d86ebef97cae4ef2ccdfa8d84885f5e28597 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Wed, 16 May 2007 11:05:42 +0000
Subject: Stop using getimeofday for timeouts incase the clock changes.

---
 src/Makefile            |  3 ++-
 src/start-stop-daemon.c | 35 +++++++++++++++++++++++------------
 2 files changed, 25 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/Makefile b/src/Makefile
index 14cd69f8..14a44bd3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -65,6 +65,7 @@ endif
 ifeq ($(OS),Linux)
 LDLIBS_RC = -ldl
 LDLIBS_RS = -ldl
+LDLIBS_SSD = -lrt
 # Shouldn't need this, but it's the easiest workaround for silly
 # Linux headers that don't work with -std=c99
 override CPPFLAGS += -D_GNU_SOURCE
@@ -76,7 +77,7 @@ endif
 HAVE_PAM = 
 ifdef HAVE_PAM
 CPPFLAGS_SSD = -DHAVE_PAM
-LDLIBS_SSD = -lpam
+LDLIBS_SSD += -lpam
 endif
 
 # We also define _BSD_SOURCE so both Linux and the BSDs get a few
diff --git a/src/start-stop-daemon.c b/src/start-stop-daemon.c
index 2257b339..c0fa417b 100644
--- a/src/start-stop-daemon.c
+++ b/src/start-stop-daemon.c
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 
 #ifdef HAVE_PAM
@@ -90,6 +91,20 @@ static void cleanup (void)
 		rc_strlist_free (newenv);
 }
 
+static int get_time(struct timeval *tp)
+{
+	struct timespec ts;
+
+	if (clock_gettime (CLOCK_MONOTONIC, &ts) == -1) {
+		eerror ("clock_gettime: %s", strerror (errno));
+		return (-1);
+	}
+
+	tp->tv_sec = ts.tv_sec;
+	tp->tv_usec = ts.tv_nsec / 1000;
+	return (0);
+}
+
 static int parse_signal (const char *sig)
 {
 	typedef struct signalpair
@@ -374,10 +389,8 @@ static int run_stop_schedule (const char *exec, const char *cmd,
 					break;
 				}
 
-				if (gettimeofday (&stopat, NULL) != 0) {
-					eerror ("%s: gettimeofday: %s", progname, strerror (errno));
+				if (get_time (&stopat) != 0)
 					return (0);
-				}
 
 				stopat.tv_sec += item->value;
 				while (1) {
@@ -396,10 +409,8 @@ static int run_stop_schedule (const char *exec, const char *cmd,
 						}
 					}
 
-					if (gettimeofday (&now, NULL) != 0) {
-						eerror ("%s: gettimeofday: %s", progname, strerror (errno));
+					if (get_time (&now) != 0)
 						return (0);
-					}
 					if (timercmp (&now, &stopat, >))
 						break;
 				}
@@ -966,8 +977,8 @@ int main (int argc, char **argv)
 		struct timeval now;
 		bool retestpid = false;
 
-		if (gettimeofday (&stopat, NULL) != 0)
-			eerrorx ("%s: gettimeofday: %s", progname, strerror (errno));
+		if (get_time (&stopat) != 0)
+			exit (EXIT_FAILURE);
 
 		stopat.tv_usec += START_WAIT;
 		while (1) {
@@ -981,9 +992,6 @@ int main (int argc, char **argv)
 					eerrorx ("%s: select: %s", progname, strerror (errno));
 			}
 
-			if (gettimeofday (&now, NULL) != 0)
-				eerrorx ("%s: gettimeofday: %s", progname, strerror (errno));
-
 			/* This is knarly.
 			   If we backgrounded then we know the exact pid.
 			   Otherwise if we have a pidfile then it *may* know the exact pid.
@@ -1000,6 +1008,7 @@ int main (int argc, char **argv)
 						alive = true;
 						retestpid = true;
 					} else {
+						printf ("%d\n", get_pid (pidfile, true));
 						retestpid = false;
 						if (do_stop (NULL, NULL, pidfile, uid, 0,
 									 true, false, true) > 0)
@@ -1015,7 +1024,9 @@ int main (int argc, char **argv)
 			if (! alive)
 				eerrorx ("%s: %s died", progname, exec);
 
-			if (timercmp (&now, &stopat, >))
+			if (get_time (&now) != 0)
+				exit (EXIT_FAILURE);
+			if (timercmp (&now, &stopat, >)) 
 				break;
 		}
 
-- 
cgit v1.2.3