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// 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");
}
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