1
0
mirror of https://github.com/f4exb/sdrangel.git synced 2024-11-08 17:46:03 -05:00
sdrangel/custom/apple/apple_compat.h

76 lines
1.6 KiB
C

/*
* APPLE Compatibility
*/
#ifdef __APPLE__
/**
* Missing POSIX Thread Barriers implementation
*/
#ifndef PTHREAD_BARRIER_H_
#define PTHREAD_BARRIER_H_
#include <pthread.h>
#include <errno.h>
typedef int pthread_barrierattr_t;
typedef struct
{
pthread_mutex_t mutex;
pthread_cond_t cond;
int count;
int tripCount;
} pthread_barrier_t;
int pthread_barrier_init(pthread_barrier_t *barrier, const pthread_barrierattr_t *attr, unsigned int count);
int pthread_barrier_destroy(pthread_barrier_t *barrier);
int pthread_barrier_wait(pthread_barrier_t *barrier);
#endif // PTHREAD_BARRIER_H_
// macOS < 10.12 doesn't have clock_gettime()
#include <time.h>
#if !defined(CLOCK_REALTIME) && !defined(CLOCK_MONOTONIC)
#define CLOCK_REALTIME 0
#define CLOCK_MONOTONIC 6
typedef int clockid_t;
#include <sys/time.h>
#include <mach/mach_time.h>
// here to avoid problem on linking of qrtplib
inline int clock_gettime( clockid_t clk_id, struct timespec *ts )
{
int ret = -1;
if ( ts )
{
if ( CLOCK_REALTIME == clk_id )
{
struct timeval tv;
ret = gettimeofday(&tv, NULL);
ts->tv_sec = tv.tv_sec;
ts->tv_nsec = tv.tv_usec * 1000;
}
else if ( CLOCK_MONOTONIC == clk_id )
{
const uint64_t t = mach_absolute_time();
mach_timebase_info_data_t timebase;
mach_timebase_info(&timebase);
const uint64_t tdiff = t * timebase.numer / timebase.denom;
ts->tv_sec = tdiff / 1000000000;
ts->tv_nsec = tdiff % 1000000000;
ret = 0;
}
}
return ret;
}
#endif // CLOCK_REALTIME and CLOCK_MONOTONIC
#endif // __APPLE__