Fixed #5889: Only add descriptors wanted to select

diff --git a/winpr/libwinpr/synch/wait.c b/winpr/libwinpr/synch/wait.c
index f4362ac..0b529f0 100644 (file)
--- a/winpr/libwinpr/synch/wait.c
+++ b/winpr/libwinpr/synch/wait.c
@@ -415,14 +415,18 @@ DWORD WaitForMultipleObjects(DWORD nCount, const HANDLE* lpHandles, BOOL bWaitAl
                        pollfds[polled].events = handle_mode_to_pollevent(Object->Mode);
                        pollfds[polled].revents = 0;
 #else
-                       FD_SET(fd, &rfds);
-                       FD_SET(fd, &wfds);
 
                        if (Object->Mode & WINPR_FD_READ)
+                       {
+                               FD_SET(fd, &rfds);
                                prfds = &rfds;
+                       }
 
                        if (Object->Mode & WINPR_FD_WRITE)
+                       {
+                               FD_SET(fd, &wfds);
                                pwfds = &wfds;
+                       }
 
                        if (fd > maxfd)
                                maxfd = fd;