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* fhandler_socket.cc (fhandler_socket::evaluate_events): Make erase 

const in parameter list.
	(fhandler_socket::wait_for_events): Take a DWORD flags value instead of
	just a bool.  Call evaluate_events with erase flag according to
	MSG_PEEK value in flags.  Replace check for dontwait with check for
	MSG_DONTWAIT in flags.
	(fhandler_socket::connect): Call wait_for_events with 0 flags value.
	(fhandler_socket::accept4): Ditto.
	(fhandler_socket::recv_internal): Save flags in wait_flags.  Drop
	dontwait variable.  Call wait_for_events with wait_flags.
	(fhandler_socket::send_internal): Save MSG_DONTWAIT flag in wait_flags
	and call wait_for_events with wait_flags as argument.  Drop dontwait
	variable.
	* fhandler.h (class fhandler_socket): Change second parameter in
	declaration of wait_for_events to const DWORD.
This commit is contained in:
Corinna Vinschen 2010-03-22 10:47:53 +00:00
parent 0f6de51ae2
commit 65b4b495c6
3 changed files with 31 additions and 12 deletions
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18
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,21 @@
2010-03-22 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::evaluate_events): Make erase
const in parameter list.
(fhandler_socket::wait_for_events): Take a DWORD flags value instead of
just a bool. Call evaluate_events with erase flag according to
MSG_PEEK value in flags. Replace check for dontwait with check for
MSG_DONTWAIT in flags.
(fhandler_socket::connect): Call wait_for_events with 0 flags value.
(fhandler_socket::accept4): Ditto.
(fhandler_socket::recv_internal): Save flags in wait_flags. Drop
dontwait variable. Call wait_for_events with wait_flags.
(fhandler_socket::send_internal): Save MSG_DONTWAIT flag in wait_flags
and call wait_for_events with wait_flags as argument. Drop dontwait
variable.
* fhandler.h (class fhandler_socket): Change second parameter in
declaration of wait_for_events to const DWORD.
2010-03-19 Corinna Vinschen <corinna@vinschen.de>
* fhandler_disk_file.cc (fhandler_cygdrive::fstat): Add standard read

2
winsup/cygwin/fhandler.h
View File

@ -432,7 +432,7 @@ class fhandler_socket: public fhandler_base
const HANDLE wsock_event () const { return wsock_evt; }
const LONG serial_number () const { return wsock_events->serial_number; }
private:
int wait_for_events (const long event_mask, bool dontwait);
int wait_for_events (const long event_mask, const DWORD flags);
void release_events ();
pid_t sec_pid;

23
winsup/cygwin/fhandler_socket.cc
View File

@ -540,7 +540,7 @@ fhandler_socket::init_events ()
int
fhandler_socket::evaluate_events (const long event_mask, long &events,
bool erase)
const bool erase)
{
int ret = 0;
long events_now = 0;
@ -587,7 +587,7 @@ fhandler_socket::evaluate_events (const long event_mask, long &events,
}
int
fhandler_socket::wait_for_events (const long event_mask, bool dontwait)
fhandler_socket::wait_for_events (const long event_mask, const DWORD flags)
{
if (async_io ())
return 0;
@ -595,9 +595,10 @@ fhandler_socket::wait_for_events (const long event_mask, bool dontwait)
int ret;
long events;
while (!(ret = evaluate_events (event_mask, events, true)) && !events)
while (!(ret = evaluate_events (event_mask, events, !(flags & MSG_PEEK)))
&& !events)
{
if (is_nonblocking () || dontwait)
if (is_nonblocking () || (flags & MSG_DONTWAIT))
{
WSASetLastError (WSAEWOULDBLOCK);
return SOCKET_ERROR;
@ -1100,7 +1101,7 @@ fhandler_socket::connect (const struct sockaddr *name, int namelen)
if (!is_nonblocking ()
&& res == SOCKET_ERROR
&& WSAGetLastError () == WSAEWOULDBLOCK)
res = wait_for_events (FD_CONNECT | FD_CLOSE, false);
res = wait_for_events (FD_CONNECT | FD_CLOSE, 0);
if (!res)
err = 0;
@ -1201,7 +1202,7 @@ fhandler_socket::accept4 (struct sockaddr *peer, int *len, int flags)
int llen = sizeof (struct sockaddr_storage);
int res = 0;
while (!(res = wait_for_events (FD_ACCEPT | FD_CLOSE, false))
while (!(res = wait_for_events (FD_ACCEPT | FD_CLOSE, 0))
&& (res = ::accept (get_socket (), (struct sockaddr *) &lpeer, &llen))
== SOCKET_ERROR
&& WSAGetLastError () == WSAEWOULDBLOCK)
@ -1424,8 +1425,8 @@ fhandler_socket::recv_internal (LPWSAMSG wsamsg)
bool use_recvmsg = false;
static NO_COPY LPFN_WSARECVMSG WSARecvMsg;
bool waitall = !!(wsamsg->dwFlags & MSG_WAITALL);
bool dontwait = !!(wsamsg->dwFlags & MSG_DONTWAIT);
DWORD wait_flags = wsamsg->dwFlags;
bool waitall = !!(wait_flags & MSG_WAITALL);
wsamsg->dwFlags &= (MSG_OOB | MSG_PEEK | MSG_DONTROUTE);
if (wsamsg->Control.len > 0)
{
@ -1452,7 +1453,7 @@ fhandler_socket::recv_internal (LPWSAMSG wsamsg)
/* Note: Don't call WSARecvFrom(MSG_PEEK) without actually having data
waiting in the buffers, otherwise the event handling gets messed up
for some reason. */
while (!(res = wait_for_events (evt_mask | FD_CLOSE, dontwait))
while (!(res = wait_for_events (evt_mask | FD_CLOSE, wait_flags))
|| saw_shutdown_read ())
{
if (use_recvmsg)
@ -1609,7 +1610,7 @@ fhandler_socket::send_internal (struct _WSAMSG *wsamsg, int flags)
DWORD ret = 0, err = 0, sum = 0, off = 0;
WSABUF buf;
bool use_sendmsg = false;
bool dontwait = !!(flags & MSG_DONTWAIT);
DWORD wait_flags = flags & MSG_DONTWAIT;
bool nosignal = !(flags & MSG_NOSIGNAL);
flags &= (MSG_OOB | MSG_DONTROUTE);
@ -1649,7 +1650,7 @@ fhandler_socket::send_internal (struct _WSAMSG *wsamsg, int flags)
}
}
while (res && err == WSAEWOULDBLOCK
&& !(res = wait_for_events (FD_WRITE | FD_CLOSE, dontwait)));
&& !(res = wait_for_events (FD_WRITE | FD_CLOSE, wait_flags)));
if (!res)
{