1 /* $NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $ */ 2 3 /*- 4 * Copyright (c) 2019 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Kamil Rytarowski. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __COPYRIGHT("@(#) Copyright (c) 2019\ 34 The NetBSD Foundation, inc. All rights reserved."); 35 __RCSID("$NetBSD: t_call_once.c,v 1.1 2019/04/24 11:43:19 kamil Exp $"); 36 37 #include <threads.h> 38 39 #include <atf-c.h> 40 41 ATF_TC(call_once); 42 ATF_TC_HEAD(call_once, tc) 43 { 44 atf_tc_set_md_var(tc, "descr", "Test C11 call_once(3)"); 45 } 46 47 #define CO_THREADS 8 48 49 static int co_val; 50 static once_flag oflag = ONCE_FLAG_INIT; 51 52 static void 53 called_once(void) 54 { 55 56 ++co_val; 57 } 58 59 static int 60 co_func(void *arg __unused) 61 { 62 63 call_once(&oflag, called_once); 64 65 return 0; 66 } 67 68 ATF_TC_BODY(call_once, tc) 69 { 70 thrd_t t[CO_THREADS]; 71 size_t i; 72 73 for (i = 0; i < CO_THREADS; i++) { 74 ATF_REQUIRE_EQ(thrd_create(&t[i], co_func, NULL), thrd_success); 75 } 76 77 for (i = 0; i < CO_THREADS; i++) { 78 ATF_REQUIRE_EQ(thrd_join(t[i], NULL), thrd_success); 79 } 80 81 ATF_REQUIRE_EQ(co_val, 1); 82 } 83 84 ATF_TP_ADD_TCS(tp) 85 { 86 ATF_TP_ADD_TC(tp, call_once); 87 88 return atf_no_error(); 89 } 90