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Implemented inter-thread SendMessageCallback.

This commit is contained in:
Alexandre Julliard 2003-07-26 20:36:43 +00:00
parent 3057315863
commit 039e13118e
6 changed files with 174 additions and 66 deletions
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34
dlls/user/message.c
View File

@ -38,6 +38,7 @@
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msg);
WINE_DECLARE_DEBUG_CHANNEL(relay);
#define WM_NCMOUSEFIRST WM_NCMOUSEMOVE
#define WM_NCMOUSELAST WM_NCMBUTTONDBLCLK
@ -1468,6 +1469,26 @@ static BOOL process_hardware_message( MSG *msg, ULONG_PTR extra_info, HWND hwnd,
}
/***********************************************************************
* call_sendmsg_callback
*
* Call the callback function of SendMessageCallback.
*/
static inline void call_sendmsg_callback( SENDASYNCPROC callback, HWND hwnd, UINT msg,
ULONG_PTR data, LRESULT result )
{
if (TRACE_ON(relay))
DPRINTF( "%04lx:Call message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
data, result );
callback( hwnd, msg, data, result );
if (TRACE_ON(relay))
DPRINTF( "%04lx:Ret message callback %p (hwnd=%p,msg=%s,data=%08lx,result=%08lx)\n",
GetCurrentThreadId(), callback, hwnd, SPY_GetMsgName( msg, hwnd ),
data, result );
}
/***********************************************************************
* MSG_peek_message
*
@ -1540,6 +1561,10 @@ BOOL MSG_peek_message( MSG *msg, HWND hwnd, UINT first, UINT last, int flags )
case MSG_CALLBACK:
info.flags = ISMEX_CALLBACK;
break;
case MSG_CALLBACK_RESULT:
call_sendmsg_callback( (SENDASYNCPROC)info.msg.wParam, info.msg.hwnd,
info.msg.message, extra_info, info.msg.lParam );
goto next;
case MSG_OTHER_PROCESS:
info.flags = ISMEX_SEND;
if (!unpack_message( info.msg.hwnd, info.msg.message, &info.msg.wParam,
@ -1690,6 +1715,13 @@ static BOOL put_message_in_queue( DWORD dest_tid, const struct send_message_info
req->lparam = info->lparam;
req->time = GetCurrentTime();
req->timeout = timeout;
if (info->type == MSG_CALLBACK)
{
req->callback = info->callback;
req->info = info->data;
}
if (info->flags & SMTO_ABORTIFHUNG) req->flags |= SEND_MSG_ABORT_IF_HUNG;
for (i = 0; i < data.count; i++) wine_server_add_data( req, data.data[i], data.size[i] );
if ((res = wine_server_call( req )))
@ -2043,7 +2075,7 @@ BOOL WINAPI SendMessageCallbackW( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lpa
if (dest_tid == GetCurrentThreadId())
{
result = call_window_proc( hwnd, msg, wparam, lparam, TRUE, TRUE );
callback( hwnd, msg, data, result );
call_sendmsg_callback( callback, hwnd, msg, data, result );
return TRUE;
}
FIXME( "callback will not be called\n" );

4
include/wine/server_protocol.h
View File

@ -2214,6 +2214,7 @@ struct send_message_request
unsigned int time;
unsigned int info;
int timeout;
void* callback;
/* VARARG(data,bytes); */
};
struct send_message_reply
@ -2227,6 +2228,7 @@ enum message_type
MSG_UNICODE,
MSG_NOTIFY,
MSG_CALLBACK,
MSG_CALLBACK_RESULT,
MSG_OTHER_PROCESS,
MSG_POSTED,
MSG_HARDWARE
@ -3645,6 +3647,6 @@ union generic_reply
struct open_token_reply open_token_reply;
};
#define SERVER_PROTOCOL_VERSION 117
#define SERVER_PROTOCOL_VERSION 118
#endif /* __WINE_WINE_SERVER_PROTOCOL_H */

8
server/protocol.def
View File

@ -1574,6 +1574,7 @@ enum char_info_mode
unsigned int time; /* message time */
unsigned int info; /* extra info */
int timeout; /* timeout for reply */
void* callback; /* callback address */
VARARG(data,bytes); /* message data for sent messages */
@END
@ -1583,6 +1584,7 @@ enum message_type
MSG_UNICODE, /* Unicode message (from SendMessageW) */
MSG_NOTIFY, /* notify message (from SendNotifyMessageW), always Unicode */
MSG_CALLBACK, /* callback message (from SendMessageCallbackW), always Unicode */
MSG_CALLBACK_RESULT,/* result of a callback message */
MSG_OTHER_PROCESS, /* sent from other process, may include vararg data, always Unicode */
MSG_POSTED, /* posted message (from PostMessageW), always Unicode */
MSG_HARDWARE /* hardware message */
@ -1600,12 +1602,12 @@ enum message_type
int type; /* message type */
user_handle_t win; /* window handle */
unsigned int msg; /* message code */
unsigned int wparam; /* parameters */
unsigned int lparam; /* parameters */
unsigned int wparam; /* parameters (callback function for MSG_CALLBACK_RESULT) */
unsigned int lparam; /* parameters (result for MSG_CALLBACK_RESULT) */
int x; /* x position */
int y; /* y position */
unsigned int time; /* message time */
unsigned int info; /* extra info */
unsigned int info; /* extra info (callback argument for MSG_CALLBACK_RESULT) */
size_t total; /* total size of extra data */
VARARG(data,bytes); /* message data for sent messages */
@END

119
server/queue.c
View File

@ -42,13 +42,14 @@ enum message_kind { SEND_MESSAGE, POST_MESSAGE };
struct message_result
{
struct message_result *send_next; /* next in sender list */
struct list sender_entry; /* entry in sender list */
struct message_result *recv_next; /* next in receiver list */
struct msg_queue *sender; /* sender queue */
struct msg_queue *receiver; /* receiver queue */
int replied; /* has it been replied to? */
unsigned int result; /* reply result */
unsigned int error; /* error code to pass back to sender */
struct message *callback_msg; /* message to queue for callback */
void *data; /* message reply data */
unsigned int data_size; /* size of message reply data */
struct timeout_user *timeout; /* result timeout */
@ -117,7 +118,8 @@ struct msg_queue
unsigned int changed_mask; /* changed wakeup mask */
int paint_count; /* pending paint messages count */
struct message_list msg_list[NB_MSG_KINDS]; /* lists of messages */
struct message_result *send_result; /* stack of sent messages waiting for result */
struct list send_result; /* stack of sent messages waiting for result */
struct list callback_result; /* list of callback messages waiting for result */
struct message_result *recv_result; /* stack of received messages waiting for result */
struct timer *first_timer; /* head of timer list */
struct timer *last_timer; /* tail of timer list */
@ -214,7 +216,6 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
queue->changed_bits = 0;
queue->changed_mask = 0;
queue->paint_count = 0;
queue->send_result = NULL;
queue->recv_result = NULL;
queue->first_timer = NULL;
queue->last_timer = NULL;
@ -223,6 +224,8 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
queue->input = (struct thread_input *)grab_object( input );
queue->hooks = NULL;
gettimeofday( &queue->last_get_msg, NULL );
list_init( &queue->send_result );
list_init( &queue->callback_result );
for (i = 0; i < NB_MSG_KINDS; i++)
queue->msg_list[i].first = queue->msg_list[i].last = NULL;
@ -359,9 +362,20 @@ static void free_result( struct message_result *result )
{
if (result->timeout) remove_timeout_user( result->timeout );
if (result->data) free( result->data );
if (result->callback_msg) free( result->callback_msg );
free( result );
}
/* remove the result from the sender list it is on */
static inline void remove_result_from_sender( struct message_result *result )
{
assert( result->sender );
list_remove( &result->sender_entry );
result->sender = NULL;
if (!result->receiver) free_result( result );
}
/* store the message result in the appropriate structure */
static void store_message_result( struct message_result *res, unsigned int result,
unsigned int error )
@ -374,9 +388,25 @@ static void store_message_result( struct message_result *res, unsigned int resul
remove_timeout_user( res->timeout );
res->timeout = NULL;
}
if (res->sender)
{
if (res->callback_msg)
{
/* queue the callback message in the sender queue */
res->callback_msg->lparam = result;
append_message( &res->sender->msg_list[SEND_MESSAGE], res->callback_msg );
set_queue_bits( res->sender, QS_SENDMESSAGE );
res->callback_msg = NULL;
remove_result_from_sender( res );
}
else
{
/* wake sender queue if waiting on this result */
if (res->sender && res->sender->send_result == res)
if (list_head(&res->sender->send_result) == &res->sender_entry)
set_queue_bits( res->sender, QS_SMRESULT );
}
}
}
/* free a message when deleting a queue or window */
@ -427,20 +457,49 @@ static void result_timeout( void *private )
/* allocate and fill a message result structure */
static struct message_result *alloc_message_result( struct msg_queue *send_queue,
struct msg_queue *recv_queue,
unsigned int timeout )
struct message *msg, unsigned int timeout,
void *callback, unsigned int callback_data )
{
struct message_result *result = mem_alloc( sizeof(*result) );
if (result)
{
/* put the result on the sender result stack */
result->sender = send_queue;
result->receiver = recv_queue;
result->replied = 0;
result->data = NULL;
result->data_size = 0;
result->timeout = NULL;
result->send_next = send_queue->send_result;
send_queue->send_result = result;
if (msg->type == MSG_CALLBACK)
{
struct message *callback_msg = mem_alloc( sizeof(*callback_msg) );
if (!callback_msg)
{
free( result );
return NULL;
}
callback_msg->type = MSG_CALLBACK_RESULT;
callback_msg->win = msg->win;
callback_msg->msg = msg->msg;
callback_msg->wparam = (unsigned int)callback;
callback_msg->lparam = 0;
callback_msg->time = get_tick_count();
callback_msg->x = 0;
callback_msg->y = 0;
callback_msg->info = callback_data;
callback_msg->result = NULL;
callback_msg->data = NULL;
callback_msg->data_size = 0;
result->callback_msg = callback_msg;
list_add_head( &send_queue->callback_result, &result->sender_entry );
}
else
{
result->callback_msg = NULL;
list_add_head( &send_queue->send_result, &result->sender_entry );
}
if (timeout != -1)
{
struct timeval when;
@ -577,15 +636,16 @@ static void empty_msg_list( struct message_list *list )
/* cleanup all pending results when deleting a queue */
static void cleanup_results( struct msg_queue *queue )
{
struct message_result *result, *next;
struct list *entry;
result = queue->send_result;
while (result)
while ((entry = list_head( &queue->send_result )) != NULL)
{
next = result->send_next;
result->sender = NULL;
if (!result->receiver) free_result( result );
result = next;
remove_result_from_sender( LIST_ENTRY( entry, struct message_result, sender_entry ) );
}
while ((entry = list_head( &queue->callback_result )) != NULL)
{
remove_result_from_sender( LIST_ENTRY( entry, struct message_result, sender_entry ) );
}
while (queue->recv_result)
@ -1309,9 +1369,10 @@ DECL_HANDLER(send_message)
case MSG_ASCII:
case MSG_UNICODE:
case MSG_CALLBACK:
if (!(msg->result = alloc_message_result( send_queue, recv_queue, req->timeout )))
if (!(msg->result = alloc_message_result( send_queue, recv_queue, msg,
req->timeout, req->callback, req->info )))
{
free( msg );
free_message( msg );
break;
}
/* fall through */
@ -1333,6 +1394,7 @@ DECL_HANDLER(send_message)
case MSG_HARDWARE:
queue_hardware_message( recv_queue, msg );
break;
case MSG_CALLBACK_RESULT: /* cannot send this one */
default:
set_error( STATUS_INVALID_PARAMETER );
free( msg );
@ -1442,16 +1504,19 @@ DECL_HANDLER(reply_message)
/* retrieve the reply for the last message sent */
DECL_HANDLER(get_message_reply)
{
struct message_result *result;
struct list *entry;
struct msg_queue *queue = current->queue;
if (queue)
{
struct message_result *result = queue->send_result;
set_error( STATUS_PENDING );
reply->result = 0;
if (result && (result->replied || req->cancel))
if (!(entry = list_head( &queue->send_result ))) return; /* no reply ready */
result = LIST_ENTRY( entry, struct message_result, sender_entry );
if (result->replied || req->cancel)
{
if (result->replied)
{
@ -1465,11 +1530,15 @@ DECL_HANDLER(get_message_reply)
result->data_size = 0;
}
}
queue->send_result = result->send_next;
result->sender = NULL;
if (!result->receiver) free_result( result );
if (!queue->send_result || !queue->send_result->replied)
clear_queue_bits( queue, QS_SMRESULT );
remove_result_from_sender( result );
entry = list_head( &queue->send_result );
if (!entry) clear_queue_bits( queue, QS_SMRESULT );
else
{
result = LIST_ENTRY( entry, struct message_result, sender_entry );
if (!result->replied) clear_queue_bits( queue, QS_SMRESULT );
}
}
}
else set_error( STATUS_ACCESS_DENIED );

1
server/trace.c
View File

@ -1844,6 +1844,7 @@ static void dump_send_message_request( const struct send_message_request *req )
fprintf( stderr, " time=%08x,", req->time );
fprintf( stderr, " info=%08x,", req->info );
fprintf( stderr, " timeout=%d,", req->timeout );
fprintf( stderr, " callback=%p,", req->callback );
fprintf( stderr, " data=" );
dump_varargs_bytes( cur_size );
}

4
windows/input.c
View File

@ -114,6 +114,7 @@ static void queue_hardware_message( UINT message, HWND hwnd, WPARAM wParam, LPAR
{
req->id = GetCurrentThreadId();
req->type = MSG_HARDWARE;
req->flags = 0;
req->win = hwnd;
req->msg = message;
req->wparam = wParam;
@ -122,7 +123,8 @@ static void queue_hardware_message( UINT message, HWND hwnd, WPARAM wParam, LPAR
req->y = yPos;
req->time = time;
req->info = extraInfo;
req->timeout = 0;
req->timeout = -1;
req->callback = NULL;
wine_server_call( req );
}
SERVER_END_REQ;