Esempio n. 1
0
func (fd *netFD) writeMsg(p []byte, oob []byte, sa syscall.Sockaddr) (n int, oobn int, err error) {
	if err := fd.writeLock(); err != nil {
		return 0, 0, err
	}
	defer fd.writeUnlock()
	if err := fd.pd.prepareWrite(); err != nil {
		return 0, 0, err
	}
	for {
		n, err = syscall.SendmsgN(fd.sysfd, p, oob, sa, 0)
		if err == syscall.EAGAIN {
			if err = fd.pd.waitWrite(); err == nil {
				continue
			}
		}
		break
	}
	if err == nil {
		oobn = len(oob)
	}
	if _, ok := err.(syscall.Errno); ok {
		err = os.NewSyscallError("sendmsg", err)
	}
	return
}
Esempio n. 2
0
func (fd *netFD) writeMsg(p []byte, oob []byte, sa syscall.Sockaddr) (n int, oobn int, err error) {
	if err := fd.writeLock(); err != nil {
		return 0, 0, err
	}
	defer fd.writeUnlock()
	if err := fd.pd.PrepareWrite(); err != nil {
		return 0, 0, &OpError{"write", fd.net, fd.raddr, err}
	}
	for {
		n, err = syscall.SendmsgN(fd.sysfd, p, oob, sa, 0)
		if err == syscall.EAGAIN {
			if err = fd.pd.WaitWrite(); err == nil {
				continue
			}
		}
		break
	}
	if err == nil {
		oobn = len(oob)
	} else {
		err = &OpError{"write", fd.net, fd.raddr, err}
	}
	return
}