Add clone() test.

This also refreshes the tests to properly compile with the latest
host toolchain.

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/bionic/libc/common/test_clone.c b/tests/bionic/libc/common/test_clone.c
new file mode 100644
index 00000000..afbb9c17
--- /dev/null
+++ b/tests/bionic/libc/common/test_clone.c
@@ -0,0 +1,56 @@
+/* Check that clone() is implemented and properly works
+ */
+#define __GNU_SOURCE 1
+#include <stdio.h>
+#include <errno.h>
+#include <sched.h>
+#include <unistd.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <sys/ptrace.h>
+#include <sys/wait.h>
+#include <stdarg.h>
+#include <string.h>
+
+static int
+clone_child (void *arg)
+{
+ errno = 0;
+ ptrace (PTRACE_TRACEME, 0, 0, 0);
+ if (errno != 0)
+   perror ("ptrace");
+ if (kill (getpid (), SIGSTOP) < 0)
+   perror ("kill");
+ return 0;
+}
+
+#define PAGE_SIZE 4096
+#define STACK_SIZE (4 * PAGE_SIZE)
+
+char clone_stack[STACK_SIZE] __attribute__ ((aligned (PAGE_SIZE)));
+
+int
+main ()
+{
+ int pid,child;
+ int status;
+
+ pid = clone (clone_child, clone_stack + 3 * PAGE_SIZE,
+              CLONE_VM | SIGCHLD, NULL);
+ if (pid < 0)
+   {
+     perror ("clone");
+     exit (1);
+   }
+ printf ("child pid %d\n", pid);
+
+ //sleep(20);
+ child = waitpid (pid, &status, 0);
+ printf("waitpid returned %d\n", child);
+ if (child < 0) {
+   perror ("waitpid");
+   return 1;
+ }
+ printf ("child %d, status 0x%x\n", child, status);
+ return 0;
+}