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Add clock_nanosleep emulation for macOS

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modified:   tests/tests2/114_bound_signal.c
This commit is contained in:
Christian Jullien 2020-06-22 07:37:54 +02:00
parent 925f6704ce
commit 9ad25d7257
1 changed files with 46 additions and 0 deletions
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46
tests/tests2/114_bound_signal.c
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@ -8,6 +8,52 @@
#include <errno.h>
#include <setjmp.h>
#if defined(__APPLE__)
/*
* clock_nanosleep is missing on all macOS version, add emulation.
*/
/* scale factors */
#define TIMING_GIGA 1000000000
#define TIMER_ABSTIME 0 /* not used */
/* timespec difference (monotonic) right - left */
static inline void
timespec_monodiff_rml(struct timespec *ts_out, const struct timespec *ts_in) {
/*
* out = in - out,
* where in > out
*/
ts_out->tv_sec = ts_in->tv_sec - ts_out->tv_sec;
ts_out->tv_nsec = ts_in->tv_nsec - ts_out->tv_nsec;
if (ts_out->tv_sec < 0) {
ts_out->tv_sec = 0;
ts_out->tv_nsec = 0;
} else if (ts_out->tv_nsec < 0) {
if (ts_out->tv_sec == 0) {
ts_out->tv_sec = 0;
ts_out->tv_nsec = 0;
} else {
ts_out->tv_sec = ts_out->tv_sec - 1;
ts_out->tv_nsec = ts_out->tv_nsec + TIMING_GIGA;
}
}
}
static inline int
clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *req, struct timespec *remain) {
struct timespec ts_delta;
int retval = clock_gettime(clock_id, &ts_delta);
(void)remain;
(void)flags;
if (retval == 0) {
timespec_monodiff_rml(&ts_delta, req);
retval = nanosleep(&ts_delta, NULL);
}
return retval;
}
#endif
static volatile int run = 1;
static int dummy[10];
static sem_t sem;