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/*
* Copyright (C) 2009 Pierre-Marc Fournier
* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; version 2.1 of
* the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdlib.h>
#define TRACEPOINT_DEFINE
#define TRACEPOINT_CREATE_PROBES
#include "ust_tests_fork.h"
int main(int argc, char **argv, char *env[])
{
int result;
if (argc < 2) {
fprintf(stderr, "usage: fork PROG_TO_EXEC\n");
exit(1);
}
printf("Fork test program, parent pid is %d\n", getpid());
tracepoint(ust_tests_fork, before_fork);
result = fork();
if (result == -1) {
perror("fork");
return 1;
}
if (result == 0) {
char *args[] = { "fork2", NULL };
printf("Child pid is %d\n", getpid());
tracepoint(ust_tests_fork, after_fork_child, getpid());
result = execve(argv[1], args, env);
if (result == -1) {
perror("execve");
return 1;
}
} else {
tracepoint(ust_tests_fork, after_fork_parent);
}
return 0;
}
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