From 516dc0c15ff1ab781e0677606b5be72919251b3e Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Wed, 9 Dec 2020 14:07:06 +0100 Subject: [PATCH] runtime: use libc_mach_continuous_time in nanotime on Darwin This makes timers account for having expired while a computer was asleep, which is quite common on mobile devices. Note that continuous_time absolute_time, except that it takes into account time spent in suspend. Fixes #24595 Change-Id: Ia3282e8bd86f95ad2b76427063e60a005563f4eb --- src/runtime/sys_darwin.go | 2 +- src/runtime/sys_darwin_amd64.s | 2 +- src/runtime/sys_darwin_arm64.s | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/runtime/sys_darwin.go b/src/runtime/sys_darwin.go index 4a3f2fc453..4a69403b32 100644 --- a/src/runtime/sys_darwin.go +++ b/src/runtime/sys_darwin.go @@ -440,7 +440,7 @@ func setNonblock(fd int32) { //go:cgo_import_dynamic libc_usleep usleep "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_mach_timebase_info mach_timebase_info "/usr/lib/libSystem.B.dylib" -//go:cgo_import_dynamic libc_mach_absolute_time mach_absolute_time "/usr/lib/libSystem.B.dylib" +//go:cgo_import_dynamic libc_mach_continuous_time mach_continuous_time "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_clock_gettime clock_gettime "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_sigaction sigaction "/usr/lib/libSystem.B.dylib" //go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "/usr/lib/libSystem.B.dylib" diff --git a/src/runtime/sys_darwin_amd64.s b/src/runtime/sys_darwin_amd64.s index 630fb5df64..4499c88802 100644 --- a/src/runtime/sys_darwin_amd64.s +++ b/src/runtime/sys_darwin_amd64.s @@ -114,7 +114,7 @@ TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$0 PUSHQ BP MOVQ SP, BP MOVQ DI, BX - CALL libc_mach_absolute_time(SB) + CALL libc_mach_continuous_time(SB) MOVQ AX, 0(BX) MOVL timebase<>+machTimebaseInfo_numer(SB), SI MOVL timebase<>+machTimebaseInfo_denom(SB), DI // atomic read diff --git a/src/runtime/sys_darwin_arm64.s b/src/runtime/sys_darwin_arm64.s index 96d2ed1076..f046545395 100644 --- a/src/runtime/sys_darwin_arm64.s +++ b/src/runtime/sys_darwin_arm64.s @@ -143,7 +143,7 @@ GLOBL timebase<>(SB),NOPTR,$(machTimebaseInfo__size) TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$40 MOVD R0, R19 - BL libc_mach_absolute_time(SB) + BL libc_mach_continuous_time(SB) MOVD R0, 0(R19) MOVW timebase<>+machTimebaseInfo_numer(SB), R20 MOVD $timebase<>+machTimebaseInfo_denom(SB), R21 -- 2.30.1