// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2016 , Cyril Bur , IBM Corp .
*
* 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());
SKIP_IF(htm_is_synthetic());
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" );
}
Messung V0.5 in Prozent C=96 H=78 G=87
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-12)
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