diff options
Diffstat (limited to 'winsup/cygwin/net.cc')
| -rw-r--r-- | winsup/cygwin/net.cc | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc index aa52a3cd5f6..7733d6e7892 100644 --- a/winsup/cygwin/net.cc +++ b/winsup/cygwin/net.cc @@ -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; |