Unified · Split
| @@ -8,6 +8,52 @@ · 7 unmodified lines | |||
| 8 | #include <errno.h> | 8 | #include <errno.h> |
| 9 | #include <setjmp.h> | 9 | #include <setjmp.h> |
| 10 | 10 | ||
| 11 | #if defined(__APPLE__) | ||
| 12 | /* | ||
| 13 | * clock_nanosleep is missing on all macOS version, add emulation. | ||
| 14 | */ | ||
| 15 | |||
| 16 | /* scale factors */ | ||
| 17 | #define TIMING_GIGA 1000000000 | ||
| 18 | #define TIMER_ABSTIME 0 /* not used */ | ||
| 19 | |||
| 20 | /* timespec difference (monotonic) right - left */ | ||
| 21 | static inline void | ||
| 22 | timespec_monodiff_rml(struct timespec *ts_out, const struct timespec *ts_in) { | ||
| 23 | /* | ||
| 24 | * out = in - out, | ||
| 25 | * where in > out | ||
| 26 | */ | ||
| 27 | ts_out->tv_sec = ts_in->tv_sec - ts_out->tv_sec; | ||
| 28 | ts_out->tv_nsec = ts_in->tv_nsec - ts_out->tv_nsec; | ||
| 29 | if (ts_out->tv_sec < 0) { | ||
| 30 | ts_out->tv_sec = 0; | ||
| 31 | ts_out->tv_nsec = 0; | ||
| 32 | } else if (ts_out->tv_nsec < 0) { | ||
| 33 | if (ts_out->tv_sec == 0) { | ||
| 34 | ts_out->tv_sec = 0; | ||
| 35 | ts_out->tv_nsec = 0; | ||
| 36 | } else { | ||
| 37 | ts_out->tv_sec = ts_out->tv_sec - 1; | ||
| 38 | ts_out->tv_nsec = ts_out->tv_nsec + TIMING_GIGA; | ||
| 39 | } | ||
| 40 | } | ||
| 41 | } | ||
| 42 | |||
| 43 | static inline int | ||
| 44 | clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *req, struct timespec *remain) { | ||
| 45 | struct timespec ts_delta; | ||
| 46 | int retval = clock_gettime(clock_id, &ts_delta); | ||
| 47 | (void)remain; | ||
| 48 | (void)flags; | ||
| 49 | if (retval == 0) { | ||
| 50 | timespec_monodiff_rml(&ts_delta, req); | ||
| 51 | retval = nanosleep(&ts_delta, NULL); | ||
| 52 | } | ||
| 53 | return retval; | ||
| 54 | } | ||
| 55 | #endif | ||
| 56 | |||
| 11 | static volatile int run = 1; | 57 | static volatile int run = 1; |
| 12 | static int dummy[10]; | 58 | static int dummy[10]; |
| 13 | static sem_t sem; | 59 | static sem_t sem; |