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* fhandler.h (fhandler_socket::read): Remove method.

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(fhandler_socket::write): Ditto.
	(fhandler_socket::readv): New method.
	(fhandler_socket::writev): Ditto.
	(fhandler_socket::recvmsg): Add new optional argument.
	(fhandler_socket::sendmsg): Ditto.
	* fhandler.cc (fhandler_socket::read): Remove method.
	(fhandler_socket::write): Ditto.
	(fhandler_socket::readv): New method.
	(fhandler_socket::writev): Ditto.
	(fhandler_socket::recvmsg): Use win32's scatter/gather IO where
	possible.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc (cygwin_recvmsg): Check the msghdr's iovec fields.
	(cygwin_sendmsg): Ditto.  Add omitted sigframe.
This commit is contained in:
Corinna Vinschen
2002-09-04 09:39:35 +00:00
parent 3573883f9d
commit 4d147a03bd
4 changed files with 324 additions and 113 deletions
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16
winsup/cygwin/net.cc
View File

@@ -2112,7 +2112,11 @@ cygwin_recvmsg (int fd, struct msghdr *msg, int flags)
|| !fh)
res = -1;
else
res = fh->recvmsg (msg, flags);
{
res = check_iovec_for_read (msg->msg_iov, msg->msg_iovlen);
if (res > 0)
res = fh->recvmsg (msg, flags, res); // res == iovec tot
}
syscall_printf ("%d = recvmsg (%d, %p, %x)", res, fd, msg, flags);
return res;
@@ -2123,6 +2127,8 @@ extern "C" int
cygwin_sendmsg (int fd, const struct msghdr *msg, int flags)
{
int res;
sigframe thisframe (mainthread);
fhandler_socket *fh = get (fd);
if (__check_invalid_read_ptr_errno (msg, sizeof msg)
@@ -2131,8 +2137,12 @@ cygwin_sendmsg (int fd, const struct msghdr *msg, int flags)
(unsigned) msg->msg_namelen))
|| !fh)
res = -1;
else
res = fh->sendmsg (msg, flags);
else
{
res = check_iovec_for_write (msg->msg_iov, msg->msg_iovlen);
if (res > 0)
res = fh->sendmsg (msg, flags, res); // res == iovec tot
}
syscall_printf ("%d = sendmsg (%d, %p, %x)", res, fd, msg, flags);
return res;