1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 4f08c3bdfSopenharmony_ci * Copyright (c) 2012 Wanlong Gao <gaowanlong@cn.fujitsu.com> 5f08c3bdfSopenharmony_ci */ 6f08c3bdfSopenharmony_ci 7f08c3bdfSopenharmony_ci/*\ 8f08c3bdfSopenharmony_ci * [Description] 9f08c3bdfSopenharmony_ci * 10f08c3bdfSopenharmony_ci * Test to verify inheritance of environment variables by child. 11f08c3bdfSopenharmony_ci */ 12f08c3bdfSopenharmony_ci 13f08c3bdfSopenharmony_ci#include <stdio.h> 14f08c3bdfSopenharmony_ci#include <stdlib.h> 15f08c3bdfSopenharmony_ci#include <sched.h> 16f08c3bdfSopenharmony_ci#include "tst_test.h" 17f08c3bdfSopenharmony_ci#include "clone_platform.h" 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_ci#define MAX_LINE_LENGTH 256 20f08c3bdfSopenharmony_ci#define ENV_VAL "LTP test variable value" 21f08c3bdfSopenharmony_ci#define ENV_ID "LTP_CLONE_TEST" 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_cistatic void *child_stack; 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_cistatic int child_environ(void *arg LTP_ATTRIBUTE_UNUSED) 26f08c3bdfSopenharmony_ci{ 27f08c3bdfSopenharmony_ci const char *env_val = getenv(ENV_ID); 28f08c3bdfSopenharmony_ci if (!env_val) { 29f08c3bdfSopenharmony_ci tst_res(TFAIL, "Variable " ENV_ID " not defined in child"); 30f08c3bdfSopenharmony_ci exit(0); 31f08c3bdfSopenharmony_ci } 32f08c3bdfSopenharmony_ci 33f08c3bdfSopenharmony_ci if (strcmp(env_val, ENV_VAL)) { 34f08c3bdfSopenharmony_ci tst_res(TFAIL, "Variable value is different"); 35f08c3bdfSopenharmony_ci exit(0); 36f08c3bdfSopenharmony_ci } 37f08c3bdfSopenharmony_ci 38f08c3bdfSopenharmony_ci tst_res(TPASS, "The environment variables of the child and the parent are the same "); 39f08c3bdfSopenharmony_ci 40f08c3bdfSopenharmony_ci exit(0); 41f08c3bdfSopenharmony_ci} 42f08c3bdfSopenharmony_ci 43f08c3bdfSopenharmony_cistatic void verify_clone(void) 44f08c3bdfSopenharmony_ci{ 45f08c3bdfSopenharmony_ci TST_EXP_PID_SILENT(ltp_clone(SIGCHLD, child_environ, NULL, CHILD_STACK_SIZE, 46f08c3bdfSopenharmony_ci child_stack)); 47f08c3bdfSopenharmony_ci 48f08c3bdfSopenharmony_ci if (!TST_PASS) 49f08c3bdfSopenharmony_ci return; 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_ci tst_reap_children(); 52f08c3bdfSopenharmony_ci} 53f08c3bdfSopenharmony_ci 54f08c3bdfSopenharmony_cistatic void setup(void) 55f08c3bdfSopenharmony_ci{ 56f08c3bdfSopenharmony_ci SAFE_SETENV(ENV_ID, ENV_VAL, 0); 57f08c3bdfSopenharmony_ci} 58f08c3bdfSopenharmony_ci 59f08c3bdfSopenharmony_cistatic struct tst_test test = { 60f08c3bdfSopenharmony_ci .setup = setup, 61f08c3bdfSopenharmony_ci .test_all = verify_clone, 62f08c3bdfSopenharmony_ci .bufs = (struct tst_buffers []) { 63f08c3bdfSopenharmony_ci {&child_stack, .size = CHILD_STACK_SIZE}, 64f08c3bdfSopenharmony_ci {}, 65f08c3bdfSopenharmony_ci }, 66f08c3bdfSopenharmony_ci}; 67