svn commit: r201194 - head/lib/libc/gen

[Konstantin Belousov]

Author: kib
Date: Tue Dec 29 12:47:47 2009
New Revision: 201194
URL: http://svn.freebsd.org/changeset/base/201194

Log:
  Use clock_gettime(CLOCK_SECOND) instead of gettimeofday(2) for
  implementation of time(3). CLOCK_SECOND is much faster.
  
  No objections from:	phk
  Submitted by:	Valentin Nechayev <netch segfault kiev ua>
  MFC after:	1 week

Modified:
  head/lib/libc/gen/time.c

Modified: head/lib/libc/gen/time.c
==============================================================================
--- head/lib/libc/gen/time.c	Tue Dec 29 11:27:51 2009	(r201193)
+++ head/lib/libc/gen/time.c	Tue Dec 29 12:47:47 2009	(r201194)
@@ -37,13 +37,12 @@ __FBSDID("$FreeBSD$");
 #include <sys/time.h>
 
 time_t
-time(t)
-	time_t *t;
+time(time_t *t)
 {
-	struct timeval tt;
+	struct timespec tt;
 	time_t retval;
 
-	if (gettimeofday(&tt, (struct timezone *)0) < 0)
+	if (clock_gettime(CLOCK_SECOND, &tt) < 0)
 		retval = -1;
 	else
 		retval = tt.tv_sec;