diff options
Diffstat (limited to 'libiberty/getruntime.c')
| -rw-r--r-- | libiberty/getruntime.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/libiberty/getruntime.c b/libiberty/getruntime.c index c7a33d78d7c..b855ea6e82f 100644 --- a/libiberty/getruntime.c +++ b/libiberty/getruntime.c @@ -40,6 +40,10 @@ Boston, MA 02111-1307, USA. */ #include <sys/times.h> #endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + /* This is a fallback; if wrong, it will likely make obviously wrong results. */ @@ -47,8 +51,16 @@ Boston, MA 02111-1307, USA. */ #define CLOCKS_PER_SEC 1 #endif -#if defined (HAVE_TIMES) && ! defined (HZ) -#define HZ CLOCKS_PER_SEC +#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 long @@ -65,7 +77,7 @@ get_run_time () 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 /* ! HAVE_TIMES */ /* Fall back on clock and hope it's correctly implemented. */ const long clocks_per_sec = CLOCKS_PER_SEC; |