func flush(addr, len uintptr) error {
errno := syscall.FlushViewOfFile(addr, len)
if errno != nil {
return os.NewSyscallError("FlushViewOfFile", errno)
}
handleLock.Lock()
defer handleLock.Unlock()
handle, ok := handleMap[addr]
if !ok {
// should be impossible; we would've errored above
return errors.New("unknown base address")
}
errno = syscall.FlushFileBuffers(handle)
return os.NewSyscallError("FlushFileBuffers", errno)
}
func unmap(p []byte) error {
addr := uintptr(unsafe.Pointer(&p[0]))
syscall.FlushViewOfFile(addr, uintptr(len(p)))
err := syscall.UnmapViewOfFile(addr)
if err != nil {
return err
}
handleLock.Lock()
defer handleLock.Unlock()
handle, ok := handleMap[addr]
if !ok {
// should be impossible; we would've errored above
return errors.New("unknown base address")
}
delete(handleMap, addr)
e := syscall.CloseHandle(syscall.Handle(handle))
return os.NewSyscallError("CloseHandle", e)
}
func flush(addr, len uintptr) error {
errno := syscall.FlushViewOfFile(addr, len)
return os.NewSyscallError("FlushViewOfFile", errno)
}