[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/posix/test-vfork.c b/ap/libc/glibc/glibc-2.23/posix/test-vfork.c
new file mode 100644
index 0000000..6dfb7d4
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/posix/test-vfork.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <error.h>
+#include <errno.h>
+#include <sys/wait.h>
+
+void __attribute_noinline__ noop (void);
+
+#define NR 2 /* Exit code of the child. */
+
+int
+main (void)
+{
+ pid_t pid;
+ int status;
+
+ 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 (NR);
+ }
+ else if (pid < 0)
+ error (1, errno, "vfork");
+ printf ("After vfork (parent)\n");
+ if (waitpid (0, &status, 0) != pid
+ || !WIFEXITED (status) || WEXITSTATUS (status) != NR)
+ exit (1);
+
+ return 0;
+}
+
+void
+noop (void)
+{
+}