diff options
Diffstat (limited to 'libiberty/clock.c')
| -rw-r--r-- | libiberty/clock.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/libiberty/clock.c b/libiberty/clock.c index 8d265406c39..db2509c17f2 100644 --- a/libiberty/clock.c +++ b/libiberty/clock.c @@ -36,8 +36,20 @@ the executable file might be covered by the GNU General Public License. */ #include <sys/times.h> #endif -#if defined (HAVE_TIMES) && ! defined (HZ) && defined (CLOCKS_PER_SEC) -#define HZ CLOCKS_PER_SEC +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef _SC_CLK_TCK +#define GNU_HZ sysconf(_SC_CLK_TCK) +#else +#ifdef HZ +#define GNU_HZ HZ +#else +#ifdef CLOCKS_PER_SEC +#define GNU_HZ CLOCKS_PER_SEC +#endif +#endif #endif /* FIXME: should be able to declare as clock_t. */ @@ -56,7 +68,7 @@ clock () struct tms tms; times (&tms); - return (tms.tms_utime + tms.tms_stime) * (1000000 / HZ); + return (tms.tms_utime + tms.tms_stime) * (1000000 / GNU_HZ); #else #ifdef VMS struct |