mirror of https://github.com/libsdl-org/SDL
Removed support for clock_gettime_nsec_np()
SDL_GetTicks() was broken and it's not adding any real value here.
This commit is contained in:
Sam Lantinga
parent
42798cec8b
commit
2426949a18
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@ -875,18 +875,6 @@ if(LIBC)
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else()
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set(HAVE_ALLOCA_H 1)
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set(HAVE_ALLOCA 1)
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if(IOS OR TVOS) # assuming iOS / TVOS >= 10.0
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set(HAVE_CLOCK_GETTIME_NSEC_NP 1)
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else()
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CHECK_C_SOURCE_COMPILES("
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#include <AvailabilityMacros.h>
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#include <time.h>
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 101200
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#error Need 10.12 or newer target
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#endif
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int main(int argc, char **argv) { return !clock_gettime_nsec_np(CLOCK_MONOTONIC); }
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" HAVE_CLOCK_GETTIME_NSEC_NP)
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endif()
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endif()
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check_struct_has_member("struct sigaction" "sa_sigaction" "signal.h" HAVE_SA_SIGACTION)
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@ -24769,47 +24769,6 @@ $as_echo "#define HAVE_CLOCK_GETTIME 1" >>confdefs.h
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fi
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}
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CheckClockGettimeAPPLE()
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{
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have_clock_gettime_apple=no
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for clock_gettime_nsec_np" >&5
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$as_echo_n "checking for clock_gettime_nsec_np... " >&6; }
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <AvailabilityMacros.h>
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#include <time.h>
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int
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main ()
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{
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 101200
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#error Need 10.12 or newer target
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#endif
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return !clock_gettime_nsec_np(CLOCK_MONOTONIC);
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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have_clock_gettime_apple=yes
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_clock_gettime_apple" >&5
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$as_echo "$have_clock_gettime_apple" >&6; }
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if test x$have_clock_gettime_apple = xyes; then
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$as_echo "#define HAVE_CLOCK_GETTIME_NSEC_NP 1" >>confdefs.h
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fi
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}
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CheckLinuxVersion()
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{
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ac_fn_c_check_header_mongrel "$LINENO" "linux/version.h" "ac_cv_header_linux_version_h" "$ac_includes_default"
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@ -25504,10 +25463,6 @@ fi
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CheckVulkan
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CheckPTHREAD
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$as_echo "#define HAVE_CLOCK_GETTIME_NSEC_NP 1" >>confdefs.h
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SOURCES="$SOURCES $srcdir/src/misc/ios/*.m"
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have_misc=yes
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@ -25625,7 +25580,6 @@ $as_echo "#define SDL_VIDEO_RENDER_OGL_ES2 1" >>confdefs.h
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CheckVisibilityHidden
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CheckDeclarationAfterStatement
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CheckClockGettimeAPPLE
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CheckDummyVideo
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CheckDiskAudio
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CheckDummyAudio
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27
configure.ac
27
configure.ac
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@ -3496,29 +3496,6 @@ AS_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettime
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fi
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}
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dnl Check for clock_gettime_nsec_np()
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CheckClockGettimeAPPLE()
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{
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have_clock_gettime_apple=no
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AC_MSG_CHECKING(for clock_gettime_nsec_np)
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AC_TRY_LINK([
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#include <AvailabilityMacros.h>
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#include <time.h>
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],[
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 101200
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#error Need 10.12 or newer target
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#endif
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return !clock_gettime_nsec_np(CLOCK_MONOTONIC);
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],[
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have_clock_gettime_apple=yes
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])
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AC_MSG_RESULT($have_clock_gettime_apple)
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if test x$have_clock_gettime_apple = xyes; then
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AC_DEFINE(HAVE_CLOCK_GETTIME_NSEC_NP, 1, [ ])
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fi
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}
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dnl Check for a valid linux/version.h
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CheckLinuxVersion()
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{
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@ -4054,9 +4031,6 @@ AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
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CheckVulkan
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CheckPTHREAD
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dnl assuming iOS >= 10.0
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AC_DEFINE(HAVE_CLOCK_GETTIME_NSEC_NP, 1, [ ])
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SOURCES="$SOURCES $srcdir/src/misc/ios/*.m"
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have_misc=yes
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@ -4152,7 +4126,6 @@ AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
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CheckVisibilityHidden
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CheckDeclarationAfterStatement
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CheckClockGettimeAPPLE
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CheckDummyVideo
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CheckDiskAudio
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CheckDummyAudio
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@ -191,7 +191,6 @@
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#cmakedefine HAVE_SYSCONF 1
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#cmakedefine HAVE_SYSCTLBYNAME 1
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#cmakedefine HAVE_CLOCK_GETTIME 1
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#cmakedefine HAVE_CLOCK_GETTIME_NSEC_NP 1
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#cmakedefine HAVE_GETPAGESIZE 1
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#cmakedefine HAVE_MPROTECT 1
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#cmakedefine HAVE_ICONV 1
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@ -196,7 +196,6 @@
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#undef HAVE_SYSCONF
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#undef HAVE_SYSCTLBYNAME
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#undef HAVE_CLOCK_GETTIME
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#undef HAVE_CLOCK_GETTIME_NSEC_NP
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#undef HAVE_GETPAGESIZE
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#undef HAVE_MPROTECT
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#undef HAVE_ICONV
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@ -53,7 +53,6 @@
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#define HAVE_REALLOC 1
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#define HAVE_FREE 1
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#define HAVE_ALLOCA 1
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#define HAVE_CLOCK_GETTIME_NSEC_NP 1
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#define HAVE_GETENV 1
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#define HAVE_SETENV 1
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#define HAVE_PUTENV 1
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@ -56,9 +56,6 @@
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#define HAVE_CALLOC 1
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#define HAVE_REALLOC 1
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#define HAVE_FREE 1
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101200
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#define HAVE_CLOCK_GETTIME_NSEC_NP 1
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#endif
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#define HAVE_ALLOCA 1
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#define HAVE_GETENV 1
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#define HAVE_SETENV 1
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@ -46,7 +46,7 @@
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Also added OS X Monotonic clock support
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Based on work in https://github.com/ThomasHabets/monotonic_clock
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*/
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#if HAVE_NANOSLEEP || HAVE_CLOCK_GETTIME || HAVE_CLOCK_GETTIME_NSEC_NP
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#if HAVE_NANOSLEEP || HAVE_CLOCK_GETTIME
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#include <time.h>
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#endif
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#ifdef __APPLE__
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@ -54,7 +54,7 @@
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#endif
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/* Use CLOCK_MONOTONIC_RAW, if available, which is not subject to adjustment by NTP */
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#if HAVE_CLOCK_GETTIME || HAVE_CLOCK_GETTIME_NSEC_NP
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#if HAVE_CLOCK_GETTIME
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#ifdef CLOCK_MONOTONIC_RAW
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#define SDL_MONOTONIC_CLOCK CLOCK_MONOTONIC_RAW
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#else
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@ -65,7 +65,7 @@
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/* The first ticks value of the application */
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#if HAVE_CLOCK_GETTIME
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static struct timespec start_ts;
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#elif defined(__APPLE__) && !HAVE_CLOCK_GETTIME_NSEC_NP
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#elif defined(__APPLE__)
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static uint64_t start_mach;
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mach_timebase_info_data_t mach_base_info;
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#endif
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@ -87,17 +87,11 @@ SDL_TicksInit(void)
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has_monotonic_time = SDL_TRUE;
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} else
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#elif defined(__APPLE__)
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#if !HAVE_CLOCK_GETTIME_NSEC_NP
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kern_return_t ret = mach_timebase_info(&mach_base_info);
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if (ret == 0) {
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has_monotonic_time = SDL_TRUE;
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start_mach = mach_absolute_time();
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} else
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#else
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if (clock_gettime_nsec_np(SDL_MONOTONIC_CLOCK) > 0) {
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has_monotonic_time = SDL_TRUE;
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} else
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#endif
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#endif
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{
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gettimeofday(&start_tv, NULL);
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@ -124,12 +118,8 @@ SDL_GetTicks(void)
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clock_gettime(SDL_MONOTONIC_CLOCK, &now);
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ticks = (Uint32)((now.tv_sec - start_ts.tv_sec) * 1000 + (now.tv_nsec - start_ts.tv_nsec) / 1000000);
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#elif defined(__APPLE__)
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#if !HAVE_CLOCK_GETTIME_NSEC_NP
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uint64_t now = mach_absolute_time();
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ticks = (Uint32)((((now - start_mach) * mach_base_info.numer) / mach_base_info.denom) / 1000000);
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#else
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ticks = (Uint32)clock_gettime_nsec_np(SDL_MONOTONIC_CLOCK);
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#endif
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#else
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SDL_assert(SDL_FALSE);
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ticks = 0;
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@ -160,11 +150,7 @@ SDL_GetPerformanceCounter(void)
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ticks *= 1000000000;
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ticks += now.tv_nsec;
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#elif defined(__APPLE__)
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#if !HAVE_CLOCK_GETTIME_NSEC_NP
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ticks = mach_absolute_time();
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#else
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ticks = (Uint32)clock_gettime_nsec_np(SDL_MONOTONIC_CLOCK);
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#endif
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#else
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SDL_assert(SDL_FALSE);
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ticks = 0;
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@ -191,16 +177,13 @@ SDL_GetPerformanceFrequency(void)
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#if HAVE_CLOCK_GETTIME
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return 1000000000;
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#elif defined(__APPLE__)
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#if !HAVE_CLOCK_GETTIME_NSEC_NP
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Uint64 freq = mach_base_info.denom;
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freq *= 1000000000;
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freq /= mach_base_info.numer;
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return freq;
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#else
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return 1000000000;
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#endif
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#endif
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}
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}
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return 1000000;
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}
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