--- libev/ev.c	2007/11/03 11:44:44	1.47
+++ libev/ev.c	2007/11/03 12:19:31	1.48
@@ -415,8 +415,10 @@
 
   if (!gotsig)
     {
+      int old_errno = errno;
       gotsig = 1;
       write (sigpipe [1], &signum, 1);
+      errno = old_errno;
     }
 }