From d0ab77802ac748c07d7302aa728ad063ce98309f Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 15 Jan 1999 13:35:35 +0000
Subject: Update.

	* posix/Makefile (tests): Add test-vfork.
	* posix/test-vfork.c: New file by Andreas Schwab.
---
 ChangeLog          |  3 +++
 posix/Makefile     |  4 ++--
 posix/test-vfork.c | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 posix/test-vfork.c

diff --git a/ChangeLog b/ChangeLog
index 97d83c1..db0ef90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 1999-01-15  Ulrich Drepper  <drepper@cygnus.com>
 
+	* posix/Makefile (tests): Add test-vfork.
+	* posix/test-vfork.c: New file by Andreas Schwab.
+
 	* manual/charset.texi: More misspelling fixes.
 	Reported by Tom Tromey <tromey@cygnus.com>.
 
diff --git a/posix/Makefile b/posix/Makefile
index ff185dc..b39abcd 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
+# Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -56,7 +56,7 @@ include ../Makeconfig
 
 aux		:= init-posix environ
 tests		:= tstgetopt testfnm runtests wordexp-test runptests	     \
-		   tst-preadwrite
+		   tst-preadwrite test-vfork
 test-srcs	:= globtest
 others		:= getconf
 install-bin	:= getconf
diff --git a/posix/test-vfork.c b/posix/test-vfork.c
new file mode 100644
index 0000000..60abe0b
--- /dev/null
+++ b/posix/test-vfork.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <error.h>
+#include <errno.h>
+
+void noop (void);
+
+int
+main (void)
+{
+  int pid;
+
+  printf ("Before vfork\n");
+  fflush (stdout);
+  pid = vfork ();
+  if (pid == 0)
+    {
+      /* This will clobber the return pc from vfork in the parent on
+	 machines where it is stored on the stack, if vfork wasn't
+	 implemented correctly, */
+      noop ();
+      _exit (2);
+    }
+  else if (pid < 0)
+    error (1, errno, "vfork");
+  printf ("After vfork (parent)\n");
+  wait (0);
+  exit (0);
+}
+
+void
+noop ()
+{
+}
-- 
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