Optimization: don't call times()->getrusage() on FreeBSD >= 7.0 when not needed.

Submitted by:	davidxu

databases/mysql50-server/Makefile

@@ -7,7 +7,7 @@
 
 PORTNAME?=	mysql
 PORTVERSION=	5.0.90
-PORTREVISION?=	1
+PORTREVISION?=	2
 CATEGORIES=	databases
 MASTER_SITES=	${MASTER_SITE_MYSQL}
 MASTER_SITE_SUBDIR=	MySQL-5.0

databases/mysql50-server/files/patch-mysys_my_clock.c

@@ -0,0 +1,30 @@
+--- mysys/my_clock.c.orig	2010-01-15 10:48:59.000000000 +0100
++++ mysys/my_clock.c	2010-10-26 12:29:27.000000000 +0200
+@@ -16,6 +16,9 @@
+ #define USES_TYPES
+ #include "my_global.h"
+ 
++#if defined(__FreeBSD__)
++#include <osreldate.h>
++#endif
+ #if !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(OS2) && !defined(__NETWARE__)
+ #include "mysys_priv.h"
+ #include <sys/times.h>
+@@ -23,6 +26,11 @@
+ 
+ long my_clock(void)
+ {
++#if defined(__FreeBSD__) && __FreeBSD_version__ >= 700000
++  struct timespec ts;
++  clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
++  return (ts.tv_sec * CLK_TCK + ts.tv_nsec / (1000000000 / CLK_TCK));
++#else
+ #if !defined(MSDOS) && !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
+   struct tms tmsbuf;
+   VOID(times(&tmsbuf));
+@@ -30,4 +38,5 @@
+ #else
+   return clock();
+ #endif
++#endif
+ }