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/*
* Copyright 2016, Cyril Bur, IBM Corp.
*
* 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.
*
* Syscalls can be performed provided the transactions are suspended.
* The exec() class of syscall is unique as a new process is loaded.
*
* It makes little sense for after an exec() call for the previously
* suspended transaction to still exist.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <inttypes.h>
#include <libgen.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "utils.h"
#include "tm.h"
static char *path;
static int test_exec(void)
{
SKIP_IF(!have_htm());
asm __volatile__(
"tbegin.;"
"blt 1f; "
"tsuspend.;"
"1: ;"
: : : "memory");
execl(path, "tm-exec", "--child", NULL);
/* Shouldn't get here */
perror("execl() failed");
return 1;
}
static int after_exec(void)
{
asm __volatile__(
"tbegin.;"
"blt 1f;"
"tsuspend.;"
"1: ;"
: : : "memory");
FAIL_IF(failure_is_nesting());
return 0;
}
int main(int argc, char *argv[])
{
path = argv[0];
if (argc > 1 && strcmp(argv[1], "--child") == 0)
return after_exec();
return test_harness(test_exec, "tm_exec");
}
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