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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2016, Cyril Bur, IBM Corp.
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*
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* Syscalls can be performed provided the transactions are suspended.
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* The exec() class of syscall is unique as a new process is loaded.
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*
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* It makes little sense for after an exec() call for the previously
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* suspended transaction to still exist.
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*/
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#define _GNU_SOURCE
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#include <errno.h>
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#include <inttypes.h>
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#include <libgen.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "utils.h"
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#include "tm.h"
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static char *path;
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static int test_exec(void)
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{
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SKIP_IF(!have_htm());
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asm __volatile__(
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"tbegin.;"
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"blt 1f; "
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"tsuspend.;"
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"1: ;"
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: : : "memory");
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execl(path, "tm-exec", "--child", NULL);
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/* Shouldn't get here */
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perror("execl() failed");
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return 1;
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}
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static int after_exec(void)
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{
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asm __volatile__(
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"tbegin.;"
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"blt 1f;"
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"tsuspend.;"
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"1: ;"
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: : : "memory");
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FAIL_IF(failure_is_nesting());
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return 0;
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}
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int main(int argc, char *argv[])
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{
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path = argv[0];
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if (argc > 1 && strcmp(argv[1], "--child") == 0)
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return after_exec();
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return test_harness(test_exec, "tm_exec");
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}
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