func LoadUintptr(addr *uintptr) (val uintptr) {
runtime.RaceSemacquire(&mtx)
runtime.RaceAcquire(unsafe.Pointer(addr))
val = *addr
runtime.RaceSemrelease(&mtx)
return
}
func LoadPointer(addr *unsafe.Pointer) (val unsafe.Pointer) {
runtime.RaceSemacquire(&mtx)
runtime.RaceRead(unsafe.Pointer(addr))
runtime.RaceAcquire(unsafe.Pointer(addr))
val = *addr
runtime.RaceSemrelease(&mtx)
return
}
func LoadUint64(addr *uint64) (val uint64) {
_ = *addr
runtime.RaceSemacquire(&mtx)
runtime.RaceRead(unsafe.Pointer(addr))
runtime.RaceAcquire(unsafe.Pointer(addr))
val = *addr
runtime.RaceSemrelease(&mtx)
return
}
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
}
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
}
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
}
func raceAcquire(addr unsafe.Pointer) {
runtime.RaceAcquire(addr)
}