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      1 /* $NetBSD: t_rwlock.c,v 1.2 2015/06/26 11:07:20 pooka Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /*-
     30  * Copyright (c)2004 YAMAMOTO Takashi,
     31  * All rights reserved.
     32  *
     33  * Redistribution and use in source and binary forms, with or without
     34  * modification, are permitted provided that the following conditions
     35  * are met:
     36  * 1. Redistributions of source code must retain the above copyright
     37  *    notice, this list of conditions and the following disclaimer.
     38  * 2. Redistributions in binary form must reproduce the above copyright
     39  *    notice, this list of conditions and the following disclaimer in the
     40  *    documentation and/or other materials provided with the distribution.
     41  *
     42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     52  * SUCH DAMAGE.
     53  */
     54 
     55 #include <sys/cdefs.h>
     56 __COPYRIGHT("@(#) Copyright (c) 2008\
     57  The NetBSD Foundation, inc. All rights reserved.");
     58 __RCSID("$NetBSD: t_rwlock.c,v 1.2 2015/06/26 11:07:20 pooka Exp $");
     59 
     60 #include <errno.h>
     61 #include <pthread.h>
     62 #include <stdlib.h>
     63 #include <string.h>
     64 
     65 #include <atf-c.h>
     66 
     67 #include "h_common.h"
     68 
     69 pthread_rwlock_t lk;
     70 
     71 struct timespec to;
     72 
     73 static pthread_rwlock_t static_rwlock = PTHREAD_RWLOCK_INITIALIZER;
     74 
     75 /* ARGSUSED */
     76 static void *
     77 do_nothing(void *dummy)
     78 {
     79 	return NULL;
     80 }
     81 
     82 ATF_TC(rwlock1);
     83 ATF_TC_HEAD(rwlock1, tc)
     84 {
     85 	atf_tc_set_md_var(tc, "descr", "Checks read/write locks");
     86 }
     87 ATF_TC_BODY(rwlock1, tc)
     88 {
     89 	int error;
     90 	pthread_t t;
     91 
     92 	PTHREAD_REQUIRE(pthread_create(&t, NULL, do_nothing, NULL));
     93 	PTHREAD_REQUIRE(pthread_rwlock_init(&lk, NULL));
     94 	PTHREAD_REQUIRE(pthread_rwlock_rdlock(&lk));
     95 	PTHREAD_REQUIRE(pthread_rwlock_rdlock(&lk));
     96 	PTHREAD_REQUIRE(pthread_rwlock_unlock(&lk));
     97 
     98 	ATF_REQUIRE_EQ(pthread_rwlock_trywrlock(&lk), EBUSY);
     99 
    100 	ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0,
    101 		"%s", strerror(errno));
    102 	to.tv_sec++;
    103 	error = pthread_rwlock_timedwrlock(&lk, &to);
    104 	ATF_REQUIRE_MSG(error == ETIMEDOUT || error == EDEADLK,
    105 		"%s", strerror(error));
    106 
    107 	PTHREAD_REQUIRE(pthread_rwlock_unlock(&lk));
    108 
    109 	ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0,
    110 						"%s", strerror(errno));
    111 	to.tv_sec++;
    112 	PTHREAD_REQUIRE(pthread_rwlock_timedwrlock(&lk, &to));
    113 
    114 	ATF_REQUIRE_EQ_MSG(clock_gettime(CLOCK_REALTIME, &to), 0,
    115 						"%s", strerror(errno));
    116 	to.tv_sec++;
    117 	error = pthread_rwlock_timedwrlock(&lk, &to);
    118 	ATF_REQUIRE_MSG(error == ETIMEDOUT || error == EDEADLK,
    119 		"%s", strerror(error));
    120 }
    121 
    122 ATF_TC(rwlock_static);
    123 ATF_TC_HEAD(rwlock_static, tc)
    124 {
    125 	atf_tc_set_md_var(tc, "descr", "rwlock w/ static initializer");
    126 }
    127 ATF_TC_BODY(rwlock_static, tc)
    128 {
    129 
    130 	PTHREAD_REQUIRE(pthread_rwlock_rdlock(&static_rwlock));
    131 	PTHREAD_REQUIRE(pthread_rwlock_unlock(&static_rwlock));
    132 	PTHREAD_REQUIRE(pthread_rwlock_destroy(&static_rwlock));
    133 }
    134 
    135 ATF_TP_ADD_TCS(tp)
    136 {
    137 	ATF_TP_ADD_TC(tp, rwlock1);
    138 	ATF_TP_ADD_TC(tp, rwlock_static);
    139 
    140 	return atf_no_error();
    141 }
    142