Index: ossp-pkg/pth/pth_high.c
RCS File: /v/ossp/cvs/ossp-pkg/pth/pth_high.c,v
rcsdiff -q -kk '-r1.87' '-r1.88' -u '/v/ossp/cvs/ossp-pkg/pth/pth_high.c,v' 2>/dev/null
--- pth_high.c	2002/10/20 16:19:39	1.87
+++ pth_high.c	2002/10/20 17:49:03	1.88
@@ -258,6 +258,10 @@
     pth_implicit_init();
     pth_debug2("pth_select_ev: called from thread \"%s\"", pth_current->name);
 
+    /* sanity checking */
+    if (!pth_util_fd_valid(nfd-1))
+        return_errno(-1, EINVAL);
+
     /* first deal with the special situation of a plain microsecond delay */
     if (nfd == 0 && rfds == NULL && wfds == NULL && efds == NULL && timeout != NULL) {
         if (timeout->tv_sec < 0 || timeout->tv_usec < 0)