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* fhandler_socket.cc (fhandler_socket::recv_internal): Convert wsabuf

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and wsacnt to references.  Fix handling of WSAEMSGSIZE.
This commit is contained in:
Corinna Vinschen
2009-07-06 20:30:34 +00:00
parent 394660ec2f
commit 58fc288ada
2 changed files with 18 additions and 10 deletions
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5
winsup/cygwin/ChangeLog
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@@ -1,3 +1,8 @@
2009-07-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::recv_internal): Convert wsabuf
and wsacnt to references. Fix handling of WSAEMSGSIZE.
2009-07-06 Corinna Vinschen <corinna@vinschen.de>
* cygtls.h (struct _local_storage): Add thread storage pointers for

23
winsup/cygwin/fhandler_socket.cc
View File

@@ -1309,8 +1309,8 @@ fhandler_socket::recv_internal (LPWSAMSG wsamsg)
ssize_t res = 0;
DWORD ret = 0, wret;
int evt_mask = FD_READ | ((wsamsg->dwFlags & MSG_OOB) ? FD_OOB : 0);
LPWSABUF wsabuf = wsamsg->lpBuffers;
ULONG wsacnt = wsamsg->dwBufferCount;
LPWSABUF &wsabuf = wsamsg->lpBuffers;
ULONG &wsacnt = wsamsg->dwBufferCount;
bool use_recvmsg = false;
static NO_COPY LPFN_WSARECVMSG WSARecvMsg;
@@ -1383,20 +1383,23 @@ fhandler_socket::recv_internal (LPWSAMSG wsamsg)
break;
}
if (!ret && res == SOCKET_ERROR)
if (res)
{
/* According to SUSv3, errno isn't set in that case and no error
condition is returned. */
if (WSAGetLastError () == WSAEMSGSIZE)
return ret;
return ret + wret;
/* ESHUTDOWN isn't defined for recv in SUSv3. Simply EOF is returned
in this case. */
if (WSAGetLastError () == WSAESHUTDOWN)
return 0;
if (!ret)
{
/* ESHUTDOWN isn't defined for recv in SUSv3. Simply EOF is returned
in this case. */
if (WSAGetLastError () == WSAESHUTDOWN)
return 0;
set_winsock_errno ();
return SOCKET_ERROR;
set_winsock_errno ();
return SOCKET_ERROR;
}
}
return ret;