Esempio n. 1
0
func Read(fd int, p []byte) (n int, err error) {
	n, err = read(fd, p)
	if race.Enabled {
		if n > 0 {
			race.WriteRange(unsafe.Pointer(&p[0]), n)
		}
		if err == nil {
			race.Acquire(unsafe.Pointer(&ioSync))
		}
	}
	if msanenabled && n > 0 {
		msanWrite(unsafe.Pointer(&p[0]), n)
	}
	return
}
Esempio n. 2
0
func Read(fd Handle, p []byte) (n int, err error) {
	var done uint32
	e := ReadFile(fd, p, &done, nil)
	if e != nil {
		if e == ERROR_BROKEN_PIPE {
			// NOTE(brainman): work around ERROR_BROKEN_PIPE is returned on reading EOF from stdin
			return 0, nil
		}
		return 0, e
	}
	if race.Enabled {
		if done > 0 {
			race.WriteRange(unsafe.Pointer(&p[0]), int(done))
		}
		race.Acquire(unsafe.Pointer(&ioSync))
	}
	if msanenabled && done > 0 {
		msanWrite(unsafe.Pointer(&p[0]), int(done))
	}
	return int(done), nil
}