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server: Always make pipes non-blocking. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-09-22 15:11:55 +02:00
parent 51d348c8c2
commit 38d0aa68da
1 changed files with 2 additions and 10 deletions
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12
server/named_pipe.c
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@ -870,11 +870,6 @@ static void pipe_end_reselect_async( struct fd *fd, struct async_queue *queue )
reselect_read_queue( pipe_end ); reselect_read_queue( pipe_end );
} }
static inline int is_overlapped( unsigned int options )
{
return !(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT));
}
static enum server_fd_type pipe_end_get_fd_type( struct fd *fd ) static enum server_fd_type pipe_end_get_fd_type( struct fd *fd )
{ {
return FD_TYPE_PIPE; return FD_TYPE_PIPE;
@ -1144,11 +1139,8 @@ static struct object *named_pipe_open_file( struct object *obj, unsigned int acc
{ {
assert( !server->pipe_end.fd ); assert( !server->pipe_end.fd );
/* for performance reasons, only set nonblocking mode when using fcntl( fds[0], F_SETFL, O_NONBLOCK );
* overlapped I/O. Otherwise, we will be doing too much busy fcntl( fds[1], F_SETFL, O_NONBLOCK );
* looping */
if (is_overlapped( options )) fcntl( fds[1], F_SETFL, O_NONBLOCK );
if (is_overlapped( server->options )) fcntl( fds[0], F_SETFL, O_NONBLOCK );
if (pipe->insize) if (pipe->insize)
{ {