1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org> 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci/*\ 7f08c3bdfSopenharmony_ci * [Description] 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * Basic pidfd_open() test: 10f08c3bdfSopenharmony_ci * 11f08c3bdfSopenharmony_ci * - Fetch the PID of the current process and try to get its file descriptor. 12f08c3bdfSopenharmony_ci * - Check that the close-on-exec flag is set on the file descriptor. 13f08c3bdfSopenharmony_ci */ 14f08c3bdfSopenharmony_ci 15f08c3bdfSopenharmony_ci#include <unistd.h> 16f08c3bdfSopenharmony_ci#include "tst_test.h" 17f08c3bdfSopenharmony_ci#include "lapi/pidfd.h" 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_cistatic int pidfd = -1; 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_cistatic void run(void) 22f08c3bdfSopenharmony_ci{ 23f08c3bdfSopenharmony_ci int flag; 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_ci TST_EXP_FD_SILENT(pidfd_open(getpid(), 0), "pidfd_open(getpid(), 0)"); 26f08c3bdfSopenharmony_ci 27f08c3bdfSopenharmony_ci pidfd = TST_RET; 28f08c3bdfSopenharmony_ci flag = SAFE_FCNTL(pidfd, F_GETFD); 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_ci SAFE_CLOSE(pidfd); 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ci if (!(flag & FD_CLOEXEC)) 33f08c3bdfSopenharmony_ci tst_brk(TFAIL, "pidfd_open(getpid(), 0) didn't set close-on-exec flag"); 34f08c3bdfSopenharmony_ci 35f08c3bdfSopenharmony_ci tst_res(TPASS, "pidfd_open(getpid(), 0) passed"); 36f08c3bdfSopenharmony_ci} 37f08c3bdfSopenharmony_ci 38f08c3bdfSopenharmony_cistatic void cleanup(void) 39f08c3bdfSopenharmony_ci{ 40f08c3bdfSopenharmony_ci if (pidfd > -1) 41f08c3bdfSopenharmony_ci SAFE_CLOSE(pidfd); 42f08c3bdfSopenharmony_ci} 43f08c3bdfSopenharmony_ci 44f08c3bdfSopenharmony_cistatic struct tst_test test = { 45f08c3bdfSopenharmony_ci .setup = pidfd_open_supported, 46f08c3bdfSopenharmony_ci .cleanup = cleanup, 47f08c3bdfSopenharmony_ci .test_all = run, 48f08c3bdfSopenharmony_ci}; 49