Fix all -Wdiscarded-qualifiers warning instances

[lttng-tools.git] / tests / regression / ust / fork / fork.c

diff --git a/tests/regression/ust/fork/fork.c b/tests/regression/ust/fork/fork.c
index 744e9203e9dfb65e891d6f518cc7cfe679df01d4..7030a293d532db5d81cca4fa96c1948a938b7f55 100644 (file)
--- a/tests/regression/ust/fork/fork.c
+++ b/tests/regression/ust/fork/fork.c
@@ -1,25 +1,15 @@
 /*
- * Copyright (C) 2009  Pierre-Marc Fournier
- * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * 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.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * 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 <sys/wait.h>
 #include <stdlib.h>
 
 #define TRACEPOINT_DEFINE
@@ -44,19 +34,26 @@ int main(int argc, char **argv, char *env[])
                return 1;
        }
        if (result == 0) {
-               char *args[] = { "fork2", NULL };
+               char *args[] = { (char *) "fork2", NULL };
 
                tracepoint(ust_tests_fork, after_fork_child, getpid());
 
                result = execve(argv[1], args, env);
                if (result == -1) {
                        perror("execve");
-                       return 1;
+                       result = 1;
+                       goto end;
                }
        } else {
                printf("child_pid %d\n", result);
                tracepoint(ust_tests_fork, after_fork_parent, getpid());
+               if (waitpid(result, NULL, 0) < 0) {
+                       perror("waitpid");
+                       result = 1;
+                       goto end;
+               }
        }
-
-       return 0;
+       result = 0;
+end:
+       return result;
 }