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server: Implement server-side named pipe read. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-03-23 15:42:03 +01:00 committed by Alexandre Julliard
parent d4139833c1
commit 56ae76ce84
1 changed files with 38 additions and 2 deletions
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40
server/named_pipe.c
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@ -155,6 +155,7 @@ static const struct object_ops named_pipe_ops =
};
/* common server and client pipe end functions */
static obj_handle_t pipe_end_read( struct fd *fd, struct async *async, int blocking, file_pos_t pos );
static obj_handle_t pipe_end_write( struct fd *fd, struct async *async_data, int blocking, file_pos_t pos );
static void pipe_end_queue_async( struct fd *fd, struct async *async, int type, int count );
static void pipe_end_reselect_async( struct fd *fd, struct async_queue *queue );
@ -195,7 +196,7 @@ static const struct fd_ops pipe_server_fd_ops =
default_fd_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
pipe_server_get_fd_type, /* get_fd_type */
no_fd_read, /* read */
pipe_end_read, /* read */
pipe_end_write, /* write */
pipe_server_flush, /* flush */
pipe_server_ioctl, /* ioctl */
@ -240,7 +241,7 @@ static const struct fd_ops pipe_client_fd_ops =
default_fd_get_poll_events, /* get_poll_events */
default_poll_event, /* poll_event */
pipe_client_get_fd_type, /* get_fd_type */
no_fd_read, /* read */
pipe_end_read, /* read */
pipe_end_write, /* write */
pipe_client_flush, /* flush */
pipe_client_ioctl, /* ioctl */
@ -794,6 +795,41 @@ static void reselect_write_queue( struct pipe_end *pipe_end )
}
ignore_reselect = 0;
reselect_read_queue( reader );
}
static obj_handle_t pipe_end_read( struct fd *fd, struct async *async, int blocking, file_pos_t pos )
{
struct pipe_end *pipe_end = get_fd_user( fd );
obj_handle_t handle = 0;
if (!use_server_io( pipe_end )) return no_fd_read( fd, async, blocking, pos );
if (!pipe_end->connection && list_empty( &pipe_end->message_queue ))
{
set_error( STATUS_PIPE_BROKEN );
return 0;
}
if (!pipe_end->read_q && !(pipe_end->read_q = create_async_queue( fd ))) return 0;
if (!(handle = alloc_handle( current->process, async, SYNCHRONIZE, 0 ))) return 0;
queue_async( pipe_end->read_q, async );
reselect_read_queue( pipe_end );
set_error( STATUS_PENDING );
if (!blocking)
{
struct iosb *iosb;
iosb = async_get_iosb( async );
if (iosb->status == STATUS_PENDING)
{
close_handle( current->process, handle );
handle = 0;
}
release_object( iosb );
}
return handle;
}
static obj_handle_t pipe_end_write( struct fd *fd, struct async *async, int blocking, file_pos_t pos )