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(OSX/iOS) Implement clock_gettime for OSX/iOS

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This commit is contained in:
Twinaphex 2015-02-28 18:51:07 +01:00
parent b89e415018
commit 4a0d2367d6
1 changed files with 23 additions and 18 deletions
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41
performance.c
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@ -63,11 +63,28 @@
#include <ogc/lwp_watchdog.h>
#endif
// OSX specific. OSX lacks clock_gettime().
// iOS/OSX specific. Lacks clock_gettime(), so implement it.
#ifdef __MACH__
#include <mach/clock.h>
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <sys/time.h>
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC 0
#endif
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
static int clock_gettime(int clk_ik, struct timespec *t)
{
struct timeval now;
int rv = gettimeofday(&now, NULL);
if (rv)
return rv;
t->tv_sec = now.tv_sec;
t->tv_nsec = now.tv_usec * 1000;
return 0;
}
#endif
#ifdef EMSCRIPTEN
@ -152,11 +169,7 @@ void retro_perf_log(void)
retro_perf_tick_t rarch_get_perf_counter(void)
{
retro_perf_tick_t time_ticks = 0;
#if defined(__MACH__) && defined(__APPLE__)
struct mach_timebase_info convfact;
mach_timebase_info(&convfact);
time_ticks = mach_absolute_time();
#elif defined(__linux__) || defined(__QNX__)
#if defined(__linux__) || defined(__QNX__) || defined(__MACH__)
struct timespec tv;
if (clock_gettime(CLOCK_MONOTONIC, &tv) == 0)
time_ticks = (retro_perf_tick_t)tv.tv_sec * 1000000000 +
@ -226,15 +239,7 @@ retro_time_t rarch_get_time_usec(void)
return sys_time_get_system_time();
#elif defined(GEKKO)
return ticks_to_microsecs(gettime());
#elif defined(__MACH__)
/* OSX doesn't have clock_gettime. */
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
clock_get_time(cclock, &mts);
mach_port_deallocate(mach_task_self(), cclock);
return mts.tv_sec * INT64_C(1000000) + (mts.tv_nsec + 500) / 1000;
#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(__QNX__) || defined(ANDROID)
#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(__QNX__) || defined(ANDROID) || defined(__MACH__)
struct timespec tv;
if (clock_gettime(CLOCK_MONOTONIC, &tv) < 0)
return 0;