Beispiel #1
0
Datei: race.go Projekt: hfeeki/go
func AddUint64(val *uint64, delta uint64) (new uint64) {
	runtime.RaceSemacquire(&mtx)
	runtime.RaceAcquire(unsafe.Pointer(val))
	*val = *val + delta
	new = *val
	runtime.RaceReleaseMerge(unsafe.Pointer(val))
	runtime.RaceSemrelease(&mtx)

	return
}
Beispiel #2
0
func SwapPointer(addr *unsafe.Pointer, new unsafe.Pointer) (old unsafe.Pointer) {
	_ = *addr
	runtime.RaceSemacquire(&mtx)
	runtime.RaceRead(unsafe.Pointer(addr))
	runtime.RaceAcquire(unsafe.Pointer(addr))
	old = *addr
	*addr = new
	runtime.RaceReleaseMerge(unsafe.Pointer(addr))
	runtime.RaceSemrelease(&mtx)
	return
}
Beispiel #3
0
Datei: race.go Projekt: hfeeki/go
func CompareAndSwapUintptr(val *uintptr, old, new uintptr) (swapped bool) {
	swapped = false
	runtime.RaceSemacquire(&mtx)
	runtime.RaceAcquire(unsafe.Pointer(val))
	if *val == old {
		*val = new
		swapped = true
		runtime.RaceReleaseMerge(unsafe.Pointer(val))
	}
	runtime.RaceSemrelease(&mtx)
	return
}
Beispiel #4
0
func raceReleaseMerge(addr unsafe.Pointer) {
	runtime.RaceReleaseMerge(addr)
}