diff options
Diffstat (limited to 'libdimension/timer.c')
-rw-r--r-- | libdimension/timer.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/libdimension/timer.c b/libdimension/timer.c index 53d7101..fa96b06 100644 --- a/libdimension/timer.c +++ b/libdimension/timer.c @@ -23,44 +23,24 @@ * Performance counter. */ -#include "dimension.h" -#include <sys/times.h> -#include <unistd.h> - -/** Clock ticks per second. */ -static long clk_tck = 0; +#include "dimension-impl.h" dmnsn_timer * dmnsn_new_timer(void) { - /* Figure out the clock ticks per second */ - if (!clk_tck) { - clk_tck = sysconf(_SC_CLK_TCK); - if (clk_tck == -1) { - dmnsn_error(DMNSN_SEVERITY_MEDIUM, "sysconf(_SC_CLK_TCK) failed."); - clk_tck = 1000000L; - } - } - dmnsn_timer *timer = dmnsn_malloc(sizeof(dmnsn_timer)); - - struct tms buf; - clock_t real = times(&buf); - timer->real = (double)real/clk_tck; - timer->user = (double)buf.tms_utime/clk_tck; - timer->system = (double)buf.tms_stime/clk_tck; - + dmnsn_get_times(timer); return timer; } void dmnsn_complete_timer(dmnsn_timer *timer) { - struct tms buf; - clock_t real = times(&buf); - timer->real = (double)real/clk_tck - timer->real; - timer->user = (double)buf.tms_utime/clk_tck - timer->user; - timer->system = (double)buf.tms_stime/clk_tck - timer->system; + dmnsn_timer now; + dmnsn_get_times(&now); + timer->real = now.real - timer->real; + timer->user = now.user - timer->user; + timer->system = now.system - timer->system; } void |