67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
|
|
* Copyright (c) 2012 Wanlong Gao <gaowanlong@cn.fujitsu.com>
|
|
*/
|
|
|
|
/*\
|
|
* [Description]
|
|
*
|
|
* Test to verify inheritance of environment variables by child.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sched.h>
|
|
#include "tst_test.h"
|
|
#include "clone_platform.h"
|
|
|
|
#define MAX_LINE_LENGTH 256
|
|
#define ENV_VAL "LTP test variable value"
|
|
#define ENV_ID "LTP_CLONE_TEST"
|
|
|
|
static void *child_stack;
|
|
|
|
static int child_environ(void *arg LTP_ATTRIBUTE_UNUSED)
|
|
{
|
|
const char *env_val = getenv(ENV_ID);
|
|
if (!env_val) {
|
|
tst_res(TFAIL, "Variable " ENV_ID " not defined in child");
|
|
exit(0);
|
|
}
|
|
|
|
if (strcmp(env_val, ENV_VAL)) {
|
|
tst_res(TFAIL, "Variable value is different");
|
|
exit(0);
|
|
}
|
|
|
|
tst_res(TPASS, "The environment variables of the child and the parent are the same ");
|
|
|
|
exit(0);
|
|
}
|
|
|
|
static void verify_clone(void)
|
|
{
|
|
TST_EXP_PID_SILENT(ltp_clone(SIGCHLD, child_environ, NULL, CHILD_STACK_SIZE,
|
|
child_stack));
|
|
|
|
if (!TST_PASS)
|
|
return;
|
|
|
|
tst_reap_children();
|
|
}
|
|
|
|
static void setup(void)
|
|
{
|
|
SAFE_SETENV(ENV_ID, ENV_VAL, 0);
|
|
}
|
|
|
|
static struct tst_test test = {
|
|
.setup = setup,
|
|
.test_all = verify_clone,
|
|
.bufs = (struct tst_buffers []) {
|
|
{&child_stack, .size = CHILD_STACK_SIZE},
|
|
{},
|
|
},
|
|
};
|