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server: Add a helper for queuing pipe message.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2018-03-28 22:46:32 +02:00 committed by Alexandre Julliard
parent bb9c4198fc
commit a588a5a397
1 changed files with 23 additions and 11 deletions
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34
server/named_pipe.c
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@ -351,6 +351,18 @@ static void set_server_state( struct pipe_server *server, enum pipe_state state
} }
static struct pipe_message *queue_message( struct pipe_end *pipe_end, struct iosb *iosb )
{
struct pipe_message *message;
if (!(message = mem_alloc( sizeof(*message) ))) return NULL;
message->iosb = (struct iosb *)grab_object( iosb );
message->async = NULL;
message->read_pos = 0;
list_add_tail( &pipe_end->message_queue, &message->entry );
return message;
}
static void wake_message( struct pipe_message *message ) static void wake_message( struct pipe_message *message )
{ {
struct async *async = message->async; struct async *async = message->async;
@ -794,26 +806,26 @@ static int pipe_end_read( struct fd *fd, struct async *async, file_pos_t pos )
static int pipe_end_write( struct fd *fd, struct async *async, file_pos_t pos ) static int pipe_end_write( struct fd *fd, struct async *async, file_pos_t pos )
{ {
struct pipe_end *write_end = get_fd_user( fd ); struct pipe_end *pipe_end = get_fd_user( fd );
struct pipe_end *read_end = write_end->connection;
struct pipe_message *message; struct pipe_message *message;
struct iosb *iosb;
if (!read_end) if (!pipe_end->connection)
{ {
set_error( STATUS_PIPE_DISCONNECTED ); set_error( STATUS_PIPE_DISCONNECTED );
return 0; return 0;
} }
if (!(write_end->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) && !get_req_data_size()) return 1; if (!(pipe_end->flags & NAMED_PIPE_MESSAGE_STREAM_WRITE) && !get_req_data_size()) return 1;
iosb = async_get_iosb( async );
message = queue_message( pipe_end->connection, iosb );
release_object( iosb );
if (!message) return 0;
if (!(message = mem_alloc( sizeof(*message) ))) return 0;
message->async = (struct async *)grab_object( async ); message->async = (struct async *)grab_object( async );
message->iosb = async_get_iosb( async ); queue_async( &pipe_end->write_q, async );
message->read_pos = 0; reselect_write_queue( pipe_end );
list_add_tail( &read_end->message_queue, &message->entry );
queue_async( &write_end->write_q, async );
reselect_write_queue( write_end );
set_error( STATUS_PENDING ); set_error( STATUS_PENDING );
return 1; return 1;
} }