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