diff -Nru thttpd-2.25b.orig/configure.in thttpd-2.25b/configure.in
--- thttpd-2.25b.orig/configure.in 2003-12-25 20:41:13.000000000 +0200
+++ thttpd-2.25b/configure.in 2010-07-08 00:04:25.000000000 +0300
@@ -123,6 +123,8 @@
;;
esac
+AC_CHECK_LIB(rt, clock_gettime)
+
AC_ACME_TM_GMTOFF
AC_ACME_INT64T
AC_ACME_SOCKLENT
diff -Nru thttpd-2.25b.orig/thttpd.c thttpd-2.25b/thttpd.c
--- thttpd-2.25b.orig/thttpd.c 2003-12-25 21:06:52.000000000 +0200
+++ thttpd-2.25b/thttpd.c 2010-07-08 00:41:28.000000000 +0300
@@ -742,7 +742,7 @@
}
/* Main loop. */
- (void) gettimeofday( &tv, (struct timezone*) 0 );
+ tmr_prepare_timeval( &tv );
while ( ( ! terminate ) || num_connects > 0 )
{
/* Do we need to re-open the log file? */
@@ -761,7 +761,7 @@
syslog( LOG_ERR, "fdwatch - %m" );
exit( 1 );
}
- (void) gettimeofday( &tv, (struct timezone*) 0 );
+ tmr_prepare_timeval( &tv );
if ( num_ready == 0 )
{
diff -Nru thttpd-2.25b.orig/timers.c thttpd-2.25b/timers.c
--- thttpd-2.25b.orig/timers.c 2002-08-22 04:04:12.000000000 +0300
+++ thttpd-2.25b/timers.c 2010-07-08 11:47:03.000000000 +0300
@@ -41,7 +41,13 @@
ClientData JunkClientData;
-
+#undef HAVE_LIBRT_MONO
+#if defined(HAVE_LIBRT) && defined(CLOCK_MONOTONIC)
+#define HAVE_LIBRT_MONO
+#include <time.h>
+static int use_monotonic = 0; /* monotonic clock runtime availability flag */
+static struct timeval tv_diff; /* system time - monotonic difference at start */
+#endif
static unsigned int
hash( Timer* t )
@@ -145,6 +151,26 @@
timers[h] = (Timer*) 0;
free_timers = (Timer*) 0;
alloc_count = active_count = free_count = 0;
+
+ /* Check for monotonic clock availability */
+#ifdef HAVE_LIBRT_MONO
+ struct timespec ts;
+ struct timeval tv_start, tv;
+
+ /* Try to get monotonic clock time */
+ if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
+ use_monotonic = 1;
+
+ /* Get current system time */
+ (void) gettimeofday( &tv_start , (struct timezone*) 0 );
+ tv.tv_sec = ts.tv_sec;
+ tv.tv_usec = ts.tv_nsec / 1000L;
+ /* Calculate and save the difference: tv_start is since the Epoch, so tv_start > ts
+ tv_diff = tv_start - tv */
+ timersub( &tv_start, &tv, &tv_diff );
+ }
+#endif
+
}
@@ -176,7 +202,7 @@
if ( nowP != (struct timeval*) 0 )
t->time = *nowP;
else
- (void) gettimeofday( &t->time, (struct timezone*) 0 );
+ tmr_prepare_timeval( &t->time );
t->time.tv_sec += msecs / 1000L;
t->time.tv_usec += ( msecs % 1000L ) * 1000L;
if ( t->time.tv_usec >= 1000000L )
@@ -349,3 +375,27 @@
if ( active_count + free_count != alloc_count )
syslog( LOG_ERR, "timer counts don't add up!" );
}
+
+/* Fill timeval structure for further usage by the package. */
+void
+tmr_prepare_timeval( struct timeval *tv )
+{
+#ifdef HAVE_LIBRT_MONO
+ struct timespec ts;
+ struct timeval tv0;
+
+ if (use_monotonic) { /* use monotonic clock source ? */
+ if (clock_gettime(CLOCK_MONOTONIC,&ts) < 0) {
+ perror("clock_gettime"); return;
+ }
+ tv0.tv_sec = ts.tv_sec;
+ tv0.tv_usec = ts.tv_nsec / 1000L;
+ /* Return system time value like it was running accurately */
+ timeradd( &tv_diff, &tv0, tv );
+ } else {
+#endif
+ (void) gettimeofday( tv , (struct timezone*) 0 );
+#ifdef HAVE_LIBRT_MONO
+ }
+#endif
+}
diff -Nru thttpd-2.25b.orig/timers.h thttpd-2.25b/timers.h
--- thttpd-2.25b.orig/timers.h 2001-04-13 08:37:41.000000000 +0300
+++ thttpd-2.25b/timers.h 2010-07-08 00:09:15.000000000 +0300
@@ -106,4 +106,7 @@
/* Generate debugging statistics syslog message. */
extern void tmr_logstats( long secs );
+/* Fill timeval structure for further usage by the package. */
+extern void tmr_prepare_timeval( struct timeval *tv );
+
#endif /* _TIMERS_H_ */
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