compat/mingw: Support a timeout in the poll emulation if no fds are given

diff --git a/compat/mingw.c b/compat/mingw.c
index ccfa2a0a3d3263862beb0d2796be1aba78574986..7eed60db1b10cc303f37e1bf3307058af94b8f9d 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -263,8 +263,13 @@ int poll(struct pollfd *ufds, unsigned int nfds, int timeout)
 {
        int i, pending;
 
-       if (timeout != -1)
+       if (timeout >= 0) {
+               if (nfds == 0) {
+                       Sleep(timeout);
+                       return 0;
+               }
                return errno = EINVAL, error("poll timeout not supported");
+       }
 
        /* When there is only one fd to wait for, then we pretend that
         * input is available and let the actual wait happen when the