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authorUlrich Drepper <drepper@redhat.com>1999-01-15 13:35:35 +0000
committerUlrich Drepper <drepper@redhat.com>1999-01-15 13:35:35 +0000
commitd0ab77802ac748c07d7302aa728ad063ce98309f (patch)
tree43e3ce4213e33270d59cac7faafda4ac68fe8e5d /posix
parenta58fe83962f6c0389fcd2215433547117059938a (diff)
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Update.
* posix/Makefile (tests): Add test-vfork. * posix/test-vfork.c: New file by Andreas Schwab.
Diffstat (limited to 'posix')
-rw-r--r--posix/Makefile4
-rw-r--r--posix/test-vfork.c34
2 files changed, 36 insertions, 2 deletions
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 ()
+{
+}