1/*
2 * Copyright 2015, Michael Neuling, IBM Corp.
3 * Licensed under GPLv2.
4 *
5 * Edited: Rashmica Gupta, Nov 2015
6 *
7 * This test does a fork syscall inside a transaction. Basic sniff test
8 * to see if we can enter the kernel during a transaction.
9 */
10
11#include <errno.h>
12#include <inttypes.h>
13#include <pthread.h>
14#include <stdio.h>
15#include <stdlib.h>
16#include <unistd.h>
17
18#include "utils.h"
19#include "tm.h"
20
21int test_fork(void)
22{
23	SKIP_IF(!have_htm());
24
25	asm __volatile__(
26		"tbegin.;"
27		"blt    1f; "
28		"li     0, 2;"  /* fork syscall */
29		"sc  ;"
30		"tend.;"
31		"1: ;"
32		: : : "memory", "r0");
33	/* If we reach here, we've passed.  Otherwise we've probably crashed
34	 * the kernel */
35
36	return 0;
37}
38
39int main(int argc, char *argv[])
40{
41	return test_harness(test_fork, "tm_fork");
42}
43