| … | |
… | |
| 470 | |
470 | |
| 471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
471 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
| 472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
472 | #define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */ |
| 473 | |
473 | |
| 474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
474 | #define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0) |
| 475 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; tv.tv_nsec = (long)((t - tv.tv_sec) * 1e9); } while (0) |
475 | #define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0) |
| 476 | |
476 | |
| 477 | #if __GNUC__ >= 4 |
477 | #if __GNUC__ >= 4 |
| 478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
478 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
| 479 | # define noinline __attribute__ ((noinline)) |
479 | # define noinline __attribute__ ((noinline)) |
| 480 | #else |
480 | #else |
| … | |
… | |
| 771 | if (delay > 0.) |
771 | if (delay > 0.) |
| 772 | { |
772 | { |
| 773 | #if EV_USE_NANOSLEEP |
773 | #if EV_USE_NANOSLEEP |
| 774 | struct timespec ts; |
774 | struct timespec ts; |
| 775 | |
775 | |
| 776 | EV_SET_TS (ts, delay); |
776 | EV_TS_SET (ts, delay); |
| 777 | nanosleep (&ts, 0); |
777 | nanosleep (&ts, 0); |
| 778 | #elif defined(_WIN32) |
778 | #elif defined(_WIN32) |
| 779 | Sleep ((unsigned long)(delay * 1e3)); |
779 | Sleep ((unsigned long)(delay * 1e3)); |
| 780 | #else |
780 | #else |
| 781 | struct timeval tv; |
781 | struct timeval tv; |
| 782 | |
782 | |
| 783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
783 | /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ |
| 784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
784 | /* something not guaranteed by newer posix versions, but guaranteed */ |
| 785 | /* by older ones */ |
785 | /* by older ones */ |
| 786 | EV_SET_TV (tv, delay); |
786 | EV_TS_SET (tv, delay); |
| 787 | select (0, 0, 0, 0, &tv); |
787 | select (0, 0, 0, 0, &tv); |
| 788 | #endif |
788 | #endif |
| 789 | } |
789 | } |
| 790 | } |
790 | } |
| 791 | |
791 | |
