--- postmaster.c.orig	Thu Dec 21 10:51:29 2000
+++ postmaster.c	Thu Dec 21 11:49:19 2000
@@ -1472,6 +1472,7 @@ reaper(SIGNAL_ARGS)
 #endif
 	int			exitstatus;
 	int			pid;			/* process id of dead backend */
+	int			errno_orig = errno;
 
 	PG_SETMASK(&BlockSig);
 
@@ -1522,6 +1523,7 @@ reaper(SIGNAL_ARGS)
 		}
 		CleanupProc(pid, exitstatus);
 	}
+	errno = errno_orig;
 	pqsignal(SIGCHLD, reaper);
 
 	if (FatalError)