mirror of
https://github.com/RPCS3/rpcs3
synced 2024-10-05 07:49:13 +00:00
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#include "GNU.h"
|
|
|
|
#ifdef __APPLE__
|
|
#include <sys/types.h>
|
|
#include <sys/_types/_timespec.h>
|
|
#include <mach/mach.h>
|
|
#include <mach/clock.h>
|
|
#include <mach/mach_time.h>
|
|
#undef CPU_STATE_MAX
|
|
|
|
#define MT_NANO (+1.0E-9)
|
|
#define MT_GIGA UINT64_C(1000000000)
|
|
|
|
// TODO create a list of timers,
|
|
static double mt_timebase = 0.0;
|
|
static uint64_t mt_timestart = 0;
|
|
|
|
// TODO be more careful in a multithreaded environement
|
|
int clock_gettime(clockid_t clk_id, struct timespec *tp)
|
|
{
|
|
kern_return_t retval = KERN_SUCCESS;
|
|
if( clk_id == TIMER_ABSTIME)
|
|
{
|
|
if (!mt_timestart) { // only one timer, initilized on the first call to the TIMER
|
|
mach_timebase_info_data_t tb = { 0 };
|
|
mach_timebase_info(&tb);
|
|
mt_timebase = tb.numer;
|
|
mt_timebase /= tb.denom;
|
|
mt_timestart = mach_absolute_time();
|
|
}
|
|
|
|
double diff = (mach_absolute_time() - mt_timestart) * mt_timebase;
|
|
tp->tv_sec = diff * MT_NANO;
|
|
tp->tv_nsec = diff - (tp->tv_sec * MT_GIGA);
|
|
}
|
|
else // other clk_ids are mapped to the coresponding mach clock_service
|
|
{
|
|
clock_serv_t cclock;
|
|
mach_timespec_t mts;
|
|
|
|
host_get_clock_service(mach_host_self(), clk_id, &cclock);
|
|
retval = clock_get_time(cclock, &mts);
|
|
mach_port_deallocate(mach_task_self(), cclock);
|
|
|
|
tp->tv_sec = mts.tv_sec;
|
|
tp->tv_nsec = mts.tv_nsec;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
#endif /* __APPLE__ */
|
|
#if defined(__GNUG__)
|
|
|
|
void * _aligned_malloc(size_t size, size_t alignment) {
|
|
void *buffer;
|
|
return (posix_memalign(&buffer, alignment, size) == 0) ? buffer : 0;
|
|
}
|
|
#endif
|
|
|