+/* Copyright (C) 2009 Pierre-Marc Fournier
+ *
+ * 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; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * 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>
-#include "marker.h"
-
+#include <ust/marker.h>
-int main()
+int main(int argc, char **argv, char *env[])
{
int result;
- printf("Fork test program\n");
+ if(argc < 2 ) {
+ fprintf(stderr, "usage: fork PROG_TO_EXEC\n");
+ exit(1);
+ }
+
+ printf("Fork test program, parent pid is %d\n", getpid());
trace_mark(ust, before_fork, MARK_NOARGS);
- sleep(5);
+ /* Sleep here to make sure the consumer is initialized before we fork */
+ sleep(1);
result = fork();
if(result == -1) {
return 1;
}
if(result == 0) {
+ char *args[] = {"fork2", NULL};
+
+ printf("Child pid is %d\n", getpid());
+
trace_mark(ust, after_fork_child, MARK_NOARGS);
+
+ trace_mark(ust, before_exec, "pid %d", getpid());
+
+ result = execve(argv[1], args, env);
+ if(result == -1) {
+ perror("execve");
+ return 1;
+ }
+
+ trace_mark(ust, after_exec, "pid %d", getpid());
}
else {
trace_mark(ust, after_fork_parent, MARK_NOARGS);
return 0;
}
-
-MARKER_LIB;