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| author | Keith Randall <khr@golang.org> | 2018-05-26 09:58:26 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2018-05-29 22:32:30 +0000 |
| commit | 6c6e22e5a9b70f22750e4fc210cd67175c6d1187 (patch) | |
| tree | 39488ab465f7802655aaf9a9808a1165397e40d5 /src/runtime/sys_darwin.go | |
| parent | b0ac2546b1851a4835ad687e649dead7f610f6a9 (diff) | |
| download | go-6c6e22e5a9b70f22750e4fc210cd67175c6d1187.tar.gz go-6c6e22e5a9b70f22750e4fc210cd67175c6d1187.zip | |
runtime: implement time.now using libc
Change-Id: Ibdd9202d9711ea8aab2446c9950ddb8e1f6bf4e0
Reviewed-on: https://go-review.googlesource.com/114799
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src/runtime/sys_darwin.go')
| -rw-r--r-- | src/runtime/sys_darwin.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/runtime/sys_darwin.go b/src/runtime/sys_darwin.go index 124b2fee5e..d8b5441b31 100644 --- a/src/runtime/sys_darwin.go +++ b/src/runtime/sys_darwin.go @@ -170,6 +170,15 @@ func nanotime() int64 { } func nanotime_trampoline() +//go:nosplit +//go:cgo_unsafe_args +func walltime() (int64, int32) { + var t timeval + libcCall(unsafe.Pointer(funcPC(walltime_trampoline)), unsafe.Pointer(&t)) + return int64(t.tv_sec), 1000 * t.tv_usec +} +func walltime_trampoline() + // Not used on Darwin, but must be defined. func exitThread(wait *uint32) { } @@ -197,6 +206,7 @@ func exitThread(wait *uint32) { //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_gettimeofday gettimeofday "/usr/lib/libSystem.B.dylib" // Magic incantation to get libSystem actually dynamically linked. // TODO: Why does the code require this? See cmd/compile/internal/ld/go.go:210 |