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timer: drop unused mach_base_info on Apple

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The Apple counter uses clock_gettime_nsec_np(CLOCK_UPTIME_RAW) and the
frequency is SDL_NS_PER_SECOND, so the mach timebase is no longer used.
This commit is contained in:
Christian Semmler
2026-06-20 20:13:19 -07:00
committed by Sam Lantinga
parent da8ee4d5cc
commit a0b7ea0304
1 changed files with 2 additions and 10 deletions
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12
src/timer/unix/SDL_systimer.c
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@@ -47,9 +47,6 @@
#if defined(HAVE_NANOSLEEP) || defined(HAVE_CLOCK_GETTIME)
#include <time.h>
#endif
#ifdef SDL_PLATFORM_APPLE
#include <mach/mach_time.h>
#endif
// Use CLOCK_MONOTONIC_RAW, if available, which is not subject to adjustment by NTP
#ifdef HAVE_CLOCK_GETTIME
@@ -62,10 +59,6 @@
#endif
#endif
// The first ticks value of the application
#if !defined(HAVE_CLOCK_GETTIME) && defined(SDL_PLATFORM_APPLE)
mach_timebase_info_data_t mach_base_info;
#endif
static bool checked_monotonic_time = false;
static bool has_monotonic_time = false;
@@ -77,9 +70,8 @@ static void CheckMonotonicTime(void)
has_monotonic_time = true;
}
#elif defined(SDL_PLATFORM_APPLE)
if (mach_timebase_info(&mach_base_info) == 0) {
has_monotonic_time = true;
}
// CLOCK_UPTIME_RAW (via clock_gettime_nsec_np) is always available on Apple platforms
has_monotonic_time = true;
#endif
checked_monotonic_time = true;
}