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server: Add a serial event mask change counter.

This commit is contained in:
Dmitry Timoshkov 2013-09-10 11:29:57 +09:00 committed by Alexandre Julliard
parent 4b772c2cf2
commit f031c676c1
7 changed files with 25 additions and 17 deletions
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6
dlls/kernel32/tests/comm.c
View File

@ -860,8 +860,7 @@ todo_wine
{
/* unblock pending wait */
trace("recovering after WAIT_TIMEOUT...\n");
/* FIXME: Wine fails to unblock with new mask being equal to the old one */
res = SetCommMask(hcom, 0);
res = SetCommMask(hcom, EV_TXEMPTY);
ok(res, "SetCommMask error %d\n", GetLastError());
res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);
@ -968,8 +967,7 @@ todo_wine
/* unblock pending wait */
trace("recovering after WAIT_TIMEOUT...\n");
/* FIXME: Wine fails to unblock with new mask being equal to the old one */
res = SetCommMask(hcom, 0);
res = SetCommMask(hcom, EV_TXEMPTY);
ok(res, "SetCommMask error %d\n", GetLastError());
res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);

18
dlls/ntdll/serial.c
View File

@ -380,7 +380,7 @@ static NTSTATUS get_timeouts(HANDLE handle, SERIAL_TIMEOUTS* st)
return status;
}
static NTSTATUS get_wait_mask(HANDLE hDevice, DWORD* mask)
static NTSTATUS get_wait_mask(HANDLE hDevice, DWORD *mask, DWORD *cookie)
{
NTSTATUS status;
@ -388,7 +388,10 @@ static NTSTATUS get_wait_mask(HANDLE hDevice, DWORD* mask)
{
req->handle = wine_server_obj_handle( hDevice );
if (!(status = wine_server_call( req )))
{
*mask = reply->eventmask;
if (cookie) *cookie = reply->cookie;
}
}
SERVER_END_REQ;
return status;
@ -794,6 +797,7 @@ typedef struct async_commio
IO_STATUS_BLOCK* iosb;
HANDLE hEvent;
DWORD evtmask;
DWORD cookie;
DWORD mstat;
serial_irq_info irq_info;
} async_commio;
@ -906,9 +910,9 @@ static DWORD CALLBACK wait_for_event(LPVOID arg)
if (!server_get_unix_fd( commio->hDevice, FILE_READ_DATA | FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL ))
{
serial_irq_info new_irq_info;
DWORD new_mstat, new_evtmask;
DWORD new_mstat, dummy, cookie;
LARGE_INTEGER time;
TRACE("device=%p fd=0x%08x mask=0x%08x buffer=%p event=%p irq_info=%p\n",
commio->hDevice, fd, commio->evtmask, commio->events, commio->hEvent, &commio->irq_info);
@ -934,8 +938,8 @@ static DWORD CALLBACK wait_for_event(LPVOID arg)
&new_irq_info, &commio->irq_info,
new_mstat, commio->mstat);
if (*commio->events) break;
get_wait_mask(commio->hDevice, &new_evtmask);
if (commio->evtmask != new_evtmask)
get_wait_mask(commio->hDevice, &dummy, &cookie);
if (commio->cookie != cookie)
{
*commio->events = 0;
break;
@ -964,7 +968,7 @@ static NTSTATUS wait_on(HANDLE hDevice, int fd, HANDLE hEvent, PIO_STATUS_BLOCK
commio->events = events;
commio->iosb = piosb;
commio->hEvent = hEvent;
get_wait_mask(commio->hDevice, &commio->evtmask);
get_wait_mask(commio->hDevice, &commio->evtmask, &commio->cookie);
/* We may never return, if some capabilities miss
* Return error in that case
@ -1159,7 +1163,7 @@ static inline NTSTATUS io_control(HANDLE hDevice,
case IOCTL_SERIAL_GET_WAIT_MASK:
if (lpOutBuffer && nOutBufferSize == sizeof(DWORD))
{
if (!(status = get_wait_mask(hDevice, lpOutBuffer)))
if (!(status = get_wait_mask(hDevice, lpOutBuffer, NULL)))
sz = sizeof(DWORD);
}
else

4
include/wine/server_protocol.h
View File

@ -3055,6 +3055,8 @@ struct get_serial_info_reply
unsigned int writeconst;
unsigned int writemult;
unsigned int eventmask;
unsigned int cookie;
char __pad_36[4];
};
@ -5821,6 +5823,6 @@ union generic_reply
struct set_suspend_context_reply set_suspend_context_reply;
};
#define SERVER_PROTOCOL_VERSION 448
#define SERVER_PROTOCOL_VERSION 449
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

1
server/protocol.def
View File

@ -2219,6 +2219,7 @@ enum message_type
unsigned int writeconst;
unsigned int writemult;
unsigned int eventmask;
unsigned int cookie;
@END

3
server/request.h
View File

@ -1477,7 +1477,8 @@ C_ASSERT( FIELD_OFFSET(struct get_serial_info_reply, readmult) == 16 );
C_ASSERT( FIELD_OFFSET(struct get_serial_info_reply, writeconst) == 20 );
C_ASSERT( FIELD_OFFSET(struct get_serial_info_reply, writemult) == 24 );
C_ASSERT( FIELD_OFFSET(struct get_serial_info_reply, eventmask) == 28 );
C_ASSERT( sizeof(struct get_serial_info_reply) == 32 );
C_ASSERT( FIELD_OFFSET(struct get_serial_info_reply, cookie) == 32 );
C_ASSERT( sizeof(struct get_serial_info_reply) == 40 );
C_ASSERT( FIELD_OFFSET(struct set_serial_info_request, handle) == 12 );
C_ASSERT( FIELD_OFFSET(struct set_serial_info_request, flags) == 16 );
C_ASSERT( FIELD_OFFSET(struct set_serial_info_request, readinterval) == 20 );

9
server/serial.c
View File

@ -76,6 +76,7 @@ struct serial
unsigned int writemult;
unsigned int eventmask;
unsigned int generation; /* event mask change counter */
struct termios original;
@ -135,6 +136,7 @@ struct object *create_serial( struct fd *fd )
serial->writemult = 0;
serial->writeconst = 0;
serial->eventmask = 0;
serial->generation = 0;
serial->fd = (struct fd *)grab_object( fd );
set_fd_user( fd, &serial_fd_ops, &serial->obj );
return &serial->obj;
@ -210,6 +212,7 @@ DECL_HANDLER(get_serial_info)
/* event mask */
reply->eventmask = serial->eventmask;
reply->cookie = serial->generation;
release_object( serial );
}
@ -235,10 +238,8 @@ DECL_HANDLER(set_serial_info)
if (req->flags & SERIALINFO_SET_MASK)
{
serial->eventmask = req->eventmask;
if (!serial->eventmask)
{
fd_async_wake_up( serial->fd, ASYNC_TYPE_WAIT, STATUS_SUCCESS );
}
serial->generation++;
fd_async_wake_up( serial->fd, ASYNC_TYPE_WAIT, STATUS_SUCCESS );
}
release_object( serial );

1
server/trace.c
View File

@ -2687,6 +2687,7 @@ static void dump_get_serial_info_reply( const struct get_serial_info_reply *req
fprintf( stderr, ", writeconst=%08x", req->writeconst );
fprintf( stderr, ", writemult=%08x", req->writemult );
fprintf( stderr, ", eventmask=%08x", req->eventmask );
fprintf( stderr, ", cookie=%08x", req->cookie );
}
static void dump_set_serial_info_request( const struct set_serial_info_request *req )