1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) Crackerjack Project., 2007 4f08c3bdfSopenharmony_ci * Copyright (c) Manas Kumar Nayak maknayak@in.ibm.com> 5f08c3bdfSopenharmony_ci * Copyright (C) 2021 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com> 6f08c3bdfSopenharmony_ci */ 7f08c3bdfSopenharmony_ci 8f08c3bdfSopenharmony_ci/*\ 9f08c3bdfSopenharmony_ci * [Description] 10f08c3bdfSopenharmony_ci * 11f08c3bdfSopenharmony_ci * Test if waitid() filters children killed with SIGCONT. 12f08c3bdfSopenharmony_ci */ 13f08c3bdfSopenharmony_ci 14f08c3bdfSopenharmony_ci#include <sys/wait.h> 15f08c3bdfSopenharmony_ci#include "tst_test.h" 16f08c3bdfSopenharmony_ci 17f08c3bdfSopenharmony_cistatic siginfo_t *infop; 18f08c3bdfSopenharmony_ci 19f08c3bdfSopenharmony_cistatic void run(void) 20f08c3bdfSopenharmony_ci{ 21f08c3bdfSopenharmony_ci pid_t pid_child; 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_ci pid_child = SAFE_FORK(); 24f08c3bdfSopenharmony_ci if (!pid_child) { 25f08c3bdfSopenharmony_ci SAFE_KILL(getpid(), SIGSTOP); 26f08c3bdfSopenharmony_ci TST_CHECKPOINT_WAIT(0); 27f08c3bdfSopenharmony_ci return; 28f08c3bdfSopenharmony_ci } 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_ci tst_res(TINFO, "send SIGCONT to child"); 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ci memset(infop, 0, sizeof(*infop)); 33f08c3bdfSopenharmony_ci TST_EXP_PASS(waitid(P_PID, pid_child, infop, WSTOPPED)); 34f08c3bdfSopenharmony_ci 35f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_pid, pid_child); 36f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_status, SIGSTOP); 37f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_signo, SIGCHLD); 38f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_code, CLD_STOPPED); 39f08c3bdfSopenharmony_ci 40f08c3bdfSopenharmony_ci SAFE_KILL(pid_child, SIGCONT); 41f08c3bdfSopenharmony_ci 42f08c3bdfSopenharmony_ci tst_res(TINFO, "filter child by WCONTINUED"); 43f08c3bdfSopenharmony_ci 44f08c3bdfSopenharmony_ci memset(infop, 0, sizeof(*infop)); 45f08c3bdfSopenharmony_ci TST_EXP_PASS(waitid(P_PID, pid_child, infop, WCONTINUED)); 46f08c3bdfSopenharmony_ci 47f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_pid, pid_child); 48f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_status, SIGCONT); 49f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_signo, SIGCHLD); 50f08c3bdfSopenharmony_ci TST_EXP_EQ_LI(infop->si_code, CLD_CONTINUED); 51f08c3bdfSopenharmony_ci 52f08c3bdfSopenharmony_ci TST_CHECKPOINT_WAKE(0); 53f08c3bdfSopenharmony_ci} 54f08c3bdfSopenharmony_ci 55f08c3bdfSopenharmony_cistatic struct tst_test test = { 56f08c3bdfSopenharmony_ci .test_all = run, 57f08c3bdfSopenharmony_ci .forks_child = 1, 58f08c3bdfSopenharmony_ci .needs_checkpoints = 1, 59f08c3bdfSopenharmony_ci .bufs = (struct tst_buffers[]) { 60f08c3bdfSopenharmony_ci {&infop, .size = sizeof(*infop)}, 61f08c3bdfSopenharmony_ci {} 62f08c3bdfSopenharmony_ci } 63f08c3bdfSopenharmony_ci}; 64