1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-only 2*49cdfc7eSAndroid Build Coastguard Worker /* 3*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 4*49cdfc7eSAndroid Build Coastguard Worker * 06/1994 AUTHOR: Richard Logan CO-PILOT: William Roske 5*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) 2023 SUSE LLC 6*49cdfc7eSAndroid Build Coastguard Worker */ 7*49cdfc7eSAndroid Build Coastguard Worker 8*49cdfc7eSAndroid Build Coastguard Worker /*\ 9*49cdfc7eSAndroid Build Coastguard Worker * [Description] 10*49cdfc7eSAndroid Build Coastguard Worker * 11*49cdfc7eSAndroid Build Coastguard Worker * Basic test for dup(2) of a system pipe descriptor. 12*49cdfc7eSAndroid Build Coastguard Worker */ 13*49cdfc7eSAndroid Build Coastguard Worker 14*49cdfc7eSAndroid Build Coastguard Worker #ifndef _GNU_SOURCE 15*49cdfc7eSAndroid Build Coastguard Worker #define _GNU_SOURCE 16*49cdfc7eSAndroid Build Coastguard Worker #endif 17*49cdfc7eSAndroid Build Coastguard Worker 18*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h" 19*49cdfc7eSAndroid Build Coastguard Worker 20*49cdfc7eSAndroid Build Coastguard Worker static int fd[2]; 21*49cdfc7eSAndroid Build Coastguard Worker run(void)22*49cdfc7eSAndroid Build Coastguard Workerstatic void run(void) 23*49cdfc7eSAndroid Build Coastguard Worker { 24*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_FD(dup(fd[0]), "dup(%d) read end of the pipe", fd[0]); 25*49cdfc7eSAndroid Build Coastguard Worker SAFE_CLOSE(TST_RET); 26*49cdfc7eSAndroid Build Coastguard Worker 27*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_FD(dup(fd[1]), "dup(%d) write end of the pipe", fd[1]); 28*49cdfc7eSAndroid Build Coastguard Worker SAFE_CLOSE(TST_RET); 29*49cdfc7eSAndroid Build Coastguard Worker } 30*49cdfc7eSAndroid Build Coastguard Worker setup(void)31*49cdfc7eSAndroid Build Coastguard Workerstatic void setup(void) 32*49cdfc7eSAndroid Build Coastguard Worker { 33*49cdfc7eSAndroid Build Coastguard Worker fd[0] = -1; 34*49cdfc7eSAndroid Build Coastguard Worker 35*49cdfc7eSAndroid Build Coastguard Worker SAFE_PIPE(fd); 36*49cdfc7eSAndroid Build Coastguard Worker } 37*49cdfc7eSAndroid Build Coastguard Worker 38*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = { 39*49cdfc7eSAndroid Build Coastguard Worker .test_all = run, 40*49cdfc7eSAndroid Build Coastguard Worker .setup = setup, 41*49cdfc7eSAndroid Build Coastguard Worker .needs_tmpdir = 1, 42*49cdfc7eSAndroid Build Coastguard Worker }; 43