contrib/netbsd-tests/lib/libpthread/t_condwait.c

   1 /* $NetBSD: t_condwait.c,v 1.8 2019/08/11 11:42:23 martin Exp $ */
   2
   3 /*
   4  * Copyright (c) 2013 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 #include <sys/cdefs.h>
  29 __RCSID("$NetBSD: t_condwait.c,v 1.8 2019/08/11 11:42:23 martin Exp $");
  30
  31 #include <sys/time.h>
  32 #include <errno.h>
  33 #include <pthread.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <time.h>
  38 #include <unistd.h>
  39
  40 #include <atf-c.h>
  41
  42 #include "isqemu.h"
  43
  44 #include "h_common.h"
  45
  46 #define WAITTIME 2      /* Timeout wait secound */
  47
  48 static const int debug = 1;
  49
  50 static void *
  51 run(void *param)
  52 {
  53         struct timespec ts, to, te, twmin, twmax;
  54         clockid_t clck;
  55         pthread_condattr_t attr;
  56         pthread_cond_t cond;
  57         pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
  58         int ret = 0;
  59
  60
  61         clck = *(clockid_t *)param;
  62         PTHREAD_REQUIRE(pthread_condattr_init(&attr));
  63         PTHREAD_REQUIRE(pthread_condattr_setclock(&attr, clck));
  64         pthread_cond_init(&cond, &attr);
  65
  66         ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0);
  67
  68         ATF_REQUIRE_EQ(clock_gettime(clck, &ts), 0);
  69         to = ts;
  70
  71         if (debug)
  72                 printf("started: %lld.%09ld sec\n", (long long)to.tv_sec,
  73                     to.tv_nsec);
  74
  75         ts.tv_sec += WAITTIME;  /* Timeout wait */
  76
  77         switch (ret = pthread_cond_timedwait(&cond, &m, &ts)) {
  78         case ETIMEDOUT:
  79                 /* Timeout */
  80                 ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0);
  81                 timespecsub(&te, &to, &to);
  82                 if (debug) {
  83                         printf("timeout: %lld.%09ld sec\n",
  84                             (long long)te.tv_sec, te.tv_nsec);
  85                         printf("elapsed: %lld.%09ld sec\n",
  86                             (long long)to.tv_sec, to.tv_nsec);
  87                 }
  88                 twmin.tv_sec = WAITTIME;
  89                 twmin.tv_nsec = 0;
  90                 if (isQEMU()) {
  91                         struct timespec td, t;
  92                         // td.tv_sec = 0;
  93                         // td.tv_nsec = 900000000;
  94                         t = twmin;
  95                         // timespecsub(&t, &td, &twmin);
  96                         td.tv_sec = 2;
  97                         td.tv_nsec = 500000000;
  98                         timespecadd(&t, &td, &twmax);
  99                 } else {
 100                         twmax = twmin;
 101                         twmax.tv_sec++;
 102                 }
 103                 ATF_REQUIRE(timespeccmp(&to, &twmin, >=));
 104                 ATF_REQUIRE(timespeccmp(&to, &twmax, <=));
 105                 break;
 106         default:
 107                 ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret));
 108         }
 109
 110         ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)),
 111             "pthread_mutex_unlock: %s", strerror(ret));
 112         pthread_exit(&ret);
 113 }
 114
 115 static void
 116 cond_wait(clockid_t clck, const char *msg) {
 117         pthread_t child;
 118
 119         if (debug)
 120                 printf( "**** %s clock wait starting\n", msg);
 121         ATF_REQUIRE_EQ(pthread_create(&child, NULL, run, &clck), 0);
 122         ATF_REQUIRE_EQ(pthread_join(child, NULL), 0); /* wait for terminate */
 123         if (debug)
 124                 printf( "**** %s clock wait ended\n", msg);
 125 }
 126
 127 ATF_TC(cond_wait_real);
 128 ATF_TC_HEAD(cond_wait_real, tc)
 129 {
 130         atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
 131             "with CLOCK_REALTIME");
 132 }
 133
 134 ATF_TC_BODY(cond_wait_real, tc) {
 135         cond_wait(CLOCK_REALTIME, "CLOCK_REALTIME");
 136 }
 137
 138 ATF_TC(cond_wait_mono);
 139 ATF_TC_HEAD(cond_wait_mono, tc)
 140 {
 141         atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
 142             "with CLOCK_MONOTONIC");
 143 }
 144
 145 ATF_TC_BODY(cond_wait_mono, tc) {
 146         cond_wait(CLOCK_MONOTONIC, "CLOCK_MONOTONIC");
 147 }
 148
 149 ATF_TP_ADD_TCS(tp)
 150 {
 151         ATF_TP_ADD_TC(tp, cond_wait_real);
 152         ATF_TP_ADD_TC(tp, cond_wait_mono);
 153         return atf_no_error();
 154 }