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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());
|
| 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");
| }
|
|
