1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) International Business Machines Corp., 2001 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci/*\ 7f08c3bdfSopenharmony_ci * [Description] 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * Test whether the inode number are the same for both file descriptors. 10f08c3bdfSopenharmony_ci */ 11f08c3bdfSopenharmony_ci 12f08c3bdfSopenharmony_ci#include <unistd.h> 13f08c3bdfSopenharmony_ci#include "tst_test.h" 14f08c3bdfSopenharmony_ci#include "tst_safe_macros.h" 15f08c3bdfSopenharmony_ci 16f08c3bdfSopenharmony_cistatic int fd[2] = {-1, -1}; 17f08c3bdfSopenharmony_cistatic int nfd[2] = {10, 20}; 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_cistatic void setup(void) 20f08c3bdfSopenharmony_ci{ 21f08c3bdfSopenharmony_ci SAFE_PIPE(fd); 22f08c3bdfSopenharmony_ci} 23f08c3bdfSopenharmony_ci 24f08c3bdfSopenharmony_cistatic void cleanup(void) 25f08c3bdfSopenharmony_ci{ 26f08c3bdfSopenharmony_ci unsigned int i; 27f08c3bdfSopenharmony_ci 28f08c3bdfSopenharmony_ci for (i = 0; i < ARRAY_SIZE(fd); i++) { 29f08c3bdfSopenharmony_ci close(fd[i]); 30f08c3bdfSopenharmony_ci close(nfd[i]); 31f08c3bdfSopenharmony_ci } 32f08c3bdfSopenharmony_ci} 33f08c3bdfSopenharmony_ci 34f08c3bdfSopenharmony_cistatic void run(unsigned int i) 35f08c3bdfSopenharmony_ci{ 36f08c3bdfSopenharmony_ci struct stat oldbuf, newbuf; 37f08c3bdfSopenharmony_ci 38f08c3bdfSopenharmony_ci TST_EXP_VAL(dup2(fd[i], nfd[i]), nfd[i]); 39f08c3bdfSopenharmony_ci if (TST_RET == -1) 40f08c3bdfSopenharmony_ci return; 41f08c3bdfSopenharmony_ci 42f08c3bdfSopenharmony_ci SAFE_FSTAT(fd[i], &oldbuf); 43f08c3bdfSopenharmony_ci SAFE_FSTAT(nfd[i], &newbuf); 44f08c3bdfSopenharmony_ci 45f08c3bdfSopenharmony_ci TST_EXP_EQ_LU(oldbuf.st_ino, newbuf.st_ino); 46f08c3bdfSopenharmony_ci 47f08c3bdfSopenharmony_ci SAFE_CLOSE(TST_RET); 48f08c3bdfSopenharmony_ci} 49f08c3bdfSopenharmony_ci 50f08c3bdfSopenharmony_cistatic struct tst_test test = { 51f08c3bdfSopenharmony_ci .tcnt = ARRAY_SIZE(fd), 52f08c3bdfSopenharmony_ci .test = run, 53f08c3bdfSopenharmony_ci .setup = setup, 54f08c3bdfSopenharmony_ci .cleanup = cleanup, 55f08c3bdfSopenharmony_ci}; 56