// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2015, Michael Neuling, IBM Corp.
 *
 * Edited: Rashmica Gupta, Nov 2015
 *
 * This test does a fork syscall inside a transaction. Basic sniff test
 * to see if we can enter the kernel during a transaction.
 */

#include <errno.h>
#include <inttypes.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "utils.h"
#include "tm.h"

int test_fork(void)
{
        SKIP_IF(!have_htm());
        SKIP_IF(htm_is_synthetic());

        asm __volatile__(
                "tbegin.;"
                "blt    1f; "
                "li     0, 2;"  /* fork syscall */
                "sc  ;"
                "tend.;"
                "1: ;"
                : : : "memory", "r0");
        /* If we reach here, we've passed.  Otherwise we've probably crashed
         * the kernel */

        return 0;
}

int main(int argc, char *argv[])
{
        return test_harness(test_fork, "tm_fork");
}