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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/test-vfork.c
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/test-vfork.c')
-rw-r--r--posix/test-vfork.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/posix/test-vfork.c b/posix/test-vfork.c
new file mode 100644
index 0000000000..60abe0bcf7
--- /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 ()
+{
+}