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-rw-r--r--winsup/cygwin/select.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 242a1609e..e87e639f6 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -147,12 +147,12 @@ cygwin_select (int maxfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
break;
}
else if ((sel.always_ready || ms == 0)
- || (res = sel.wait (r, w, e, ms)) == 0)
+ || (res = sel.wait (r, w, e, ms)) >= 0)
{
copyfd_set (readfds, r, maxfds);
copyfd_set (writefds, w, maxfds);
copyfd_set (exceptfds, e, maxfds);
- res = sel.poll (readfds, writefds, exceptfds);
+ res = (res > 0) ? 0 : sel.poll (readfds, writefds, exceptfds);
}
syscall_printf ("%R = select (%d, %p, %p, %p, %p)", res, maxfds, readfds,