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 * msgrcv error test for EINTR. 6f08c3bdfSopenharmony_ci */ 7f08c3bdfSopenharmony_ci 8f08c3bdfSopenharmony_ci#include <sys/types.h> 9f08c3bdfSopenharmony_ci#include <sys/wait.h> 10f08c3bdfSopenharmony_ci#include <signal.h> 11f08c3bdfSopenharmony_ci#include <stdlib.h> 12f08c3bdfSopenharmony_ci#include "tst_test.h" 13f08c3bdfSopenharmony_ci#include "tst_safe_sysv_ipc.h" 14f08c3bdfSopenharmony_ci#include "libnewipc.h" 15f08c3bdfSopenharmony_ci 16f08c3bdfSopenharmony_cistatic key_t msgkey; 17f08c3bdfSopenharmony_cistatic int queue_id = -1; 18f08c3bdfSopenharmony_cistatic struct buf { 19f08c3bdfSopenharmony_ci long type; 20f08c3bdfSopenharmony_ci char mtext[MSGSIZE]; 21f08c3bdfSopenharmony_ci} rcv_buf; 22f08c3bdfSopenharmony_ci 23f08c3bdfSopenharmony_cistatic void sighandler(int sig) 24f08c3bdfSopenharmony_ci{ 25f08c3bdfSopenharmony_ci if (sig == SIGHUP) 26f08c3bdfSopenharmony_ci return; 27f08c3bdfSopenharmony_ci else 28f08c3bdfSopenharmony_ci _exit(TBROK); 29f08c3bdfSopenharmony_ci} 30f08c3bdfSopenharmony_ci 31f08c3bdfSopenharmony_cistatic void verify_msgrcv(void) 32f08c3bdfSopenharmony_ci{ 33f08c3bdfSopenharmony_ci TST_EXP_FAIL2(msgrcv(queue_id, &rcv_buf, MSGSIZE, 1, 0), EINTR, 34f08c3bdfSopenharmony_ci "msgrcv(%i, %p, %d, 1, 0)", queue_id, &rcv_buf, MSGSIZE); 35f08c3bdfSopenharmony_ci} 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_cistatic void do_test(void) 38f08c3bdfSopenharmony_ci{ 39f08c3bdfSopenharmony_ci int pid; 40f08c3bdfSopenharmony_ci 41f08c3bdfSopenharmony_ci pid = SAFE_FORK(); 42f08c3bdfSopenharmony_ci if (pid == 0) { 43f08c3bdfSopenharmony_ci verify_msgrcv(); 44f08c3bdfSopenharmony_ci exit(0); 45f08c3bdfSopenharmony_ci } 46f08c3bdfSopenharmony_ci TST_PROCESS_STATE_WAIT(pid, 'S', 0); 47f08c3bdfSopenharmony_ci SAFE_KILL(pid, SIGHUP); 48f08c3bdfSopenharmony_ci tst_reap_children(); 49f08c3bdfSopenharmony_ci} 50f08c3bdfSopenharmony_ci 51f08c3bdfSopenharmony_cistatic void setup(void) 52f08c3bdfSopenharmony_ci{ 53f08c3bdfSopenharmony_ci msgkey = GETIPCKEY(); 54f08c3bdfSopenharmony_ci queue_id = SAFE_MSGGET(msgkey, IPC_CREAT | IPC_EXCL | MSG_RW); 55f08c3bdfSopenharmony_ci SAFE_SIGNAL(SIGHUP, sighandler); 56f08c3bdfSopenharmony_ci} 57f08c3bdfSopenharmony_ci 58f08c3bdfSopenharmony_cistatic void cleanup(void) 59f08c3bdfSopenharmony_ci{ 60f08c3bdfSopenharmony_ci if (queue_id != -1) 61f08c3bdfSopenharmony_ci SAFE_MSGCTL(queue_id, IPC_RMID, NULL); 62f08c3bdfSopenharmony_ci} 63f08c3bdfSopenharmony_ci 64f08c3bdfSopenharmony_cistatic struct tst_test test = { 65f08c3bdfSopenharmony_ci .setup = setup, 66f08c3bdfSopenharmony_ci .cleanup = cleanup, 67f08c3bdfSopenharmony_ci .test_all = do_test, 68f08c3bdfSopenharmony_ci .needs_tmpdir = 1, 69f08c3bdfSopenharmony_ci .forks_child = 1, 70f08c3bdfSopenharmony_ci}; 71