1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/threads.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,203 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nspr.h"
1.10 +#include "prinrval.h"
1.11 +#include "plgetopt.h"
1.12 +#include "pprthred.h"
1.13 +#include <stdio.h>
1.14 +#include <stdlib.h>
1.15 +#include <string.h>
1.16 +
1.17 +PRMonitor *mon;
1.18 +PRInt32 count, iterations, alive;
1.19 +
1.20 +PRBool debug_mode = PR_FALSE, passed = PR_TRUE;
1.21 +
1.22 +void
1.23 +PR_CALLBACK
1.24 +ReallyDumbThread(void *arg)
1.25 +{
1.26 + return;
1.27 +}
1.28 +
1.29 +void
1.30 +PR_CALLBACK
1.31 +DumbThread(void *arg)
1.32 +{
1.33 + PRInt32 tmp = (PRInt32)arg;
1.34 + PRThreadScope scope = (PRThreadScope)tmp;
1.35 + PRThread *thr;
1.36 +
1.37 + thr = PR_CreateThread(PR_USER_THREAD,
1.38 + ReallyDumbThread,
1.39 + NULL,
1.40 + PR_PRIORITY_NORMAL,
1.41 + scope,
1.42 + PR_JOINABLE_THREAD,
1.43 + 0);
1.44 +
1.45 + if (!thr) {
1.46 + if (debug_mode) {
1.47 + printf("Could not create really dumb thread (%d, %d)!\n",
1.48 + PR_GetError(), PR_GetOSError());
1.49 + }
1.50 + passed = PR_FALSE;
1.51 + } else {
1.52 + PR_JoinThread(thr);
1.53 + }
1.54 + PR_EnterMonitor(mon);
1.55 + alive--;
1.56 + PR_Notify(mon);
1.57 + PR_ExitMonitor(mon);
1.58 +}
1.59 +
1.60 +static void CreateThreads(PRThreadScope scope1, PRThreadScope scope2)
1.61 +{
1.62 + PRThread *thr;
1.63 + int n;
1.64 +
1.65 + alive = 0;
1.66 + mon = PR_NewMonitor();
1.67 +
1.68 + alive = count;
1.69 + for (n=0; n<count; n++) {
1.70 + thr = PR_CreateThread(PR_USER_THREAD,
1.71 + DumbThread,
1.72 + (void *)scope2,
1.73 + PR_PRIORITY_NORMAL,
1.74 + scope1,
1.75 + PR_UNJOINABLE_THREAD,
1.76 + 0);
1.77 + if (!thr) {
1.78 + if (debug_mode) {
1.79 + printf("Could not create dumb thread (%d, %d)!\n",
1.80 + PR_GetError(), PR_GetOSError());
1.81 + }
1.82 + passed = PR_FALSE;
1.83 + alive--;
1.84 + }
1.85 +
1.86 + PR_Sleep(0);
1.87 + }
1.88 +
1.89 + /* Wait for all threads to exit */
1.90 + PR_EnterMonitor(mon);
1.91 + while (alive) {
1.92 + PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
1.93 + }
1.94 +
1.95 + PR_ExitMonitor(mon);
1.96 + PR_DestroyMonitor(mon);
1.97 +}
1.98 +
1.99 +static void CreateThreadsUU(void)
1.100 +{
1.101 + CreateThreads(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
1.102 +}
1.103 +
1.104 +static void CreateThreadsUK(void)
1.105 +{
1.106 + CreateThreads(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
1.107 +}
1.108 +
1.109 +static void CreateThreadsKU(void)
1.110 +{
1.111 + CreateThreads(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
1.112 +}
1.113 +
1.114 +static void CreateThreadsKK(void)
1.115 +{
1.116 + CreateThreads(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
1.117 +}
1.118 +
1.119 +/************************************************************************/
1.120 +
1.121 +static void Measure(void (*func)(void), const char *msg)
1.122 +{
1.123 + PRIntervalTime start, stop;
1.124 + double d;
1.125 +
1.126 + start = PR_IntervalNow();
1.127 + (*func)();
1.128 + stop = PR_IntervalNow();
1.129 +
1.130 + if (debug_mode)
1.131 + {
1.132 + d = (double)PR_IntervalToMicroseconds(stop - start);
1.133 + printf("%40s: %6.2f usec\n", msg, d / count);
1.134 + }
1.135 +}
1.136 +
1.137 +int main(int argc, char **argv)
1.138 +{
1.139 + int index;
1.140 +
1.141 + PR_STDIO_INIT();
1.142 + PR_Init(PR_USER_THREAD, PR_PRIORITY_HIGH, 0);
1.143 +
1.144 + {
1.145 + PLOptStatus os;
1.146 + PLOptState *opt = PL_CreateOptState(argc, argv, "dc:i:");
1.147 + while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
1.148 + {
1.149 + if (PL_OPT_BAD == os) continue;
1.150 + switch (opt->option)
1.151 + {
1.152 + case 'd': /* debug mode */
1.153 + debug_mode = PR_TRUE;
1.154 + break;
1.155 + case 'c': /* loop counter */
1.156 + count = atoi(opt->value);
1.157 + break;
1.158 + case 'i': /* loop counter */
1.159 + iterations = atoi(opt->value);
1.160 + break;
1.161 + default:
1.162 + break;
1.163 + }
1.164 + }
1.165 + PL_DestroyOptState(opt);
1.166 + }
1.167 +
1.168 + if (0 == count) count = 50;
1.169 + if (0 == iterations) iterations = 10;
1.170 +
1.171 + if (debug_mode)
1.172 + {
1.173 + printf("\
1.174 +** Tests lots of thread creations. \n\
1.175 +** Create %ld native threads %ld times. \n\
1.176 +** Create %ld user threads %ld times \n", iterations,count,iterations,count);
1.177 + }
1.178 +
1.179 + for (index=0; index<iterations; index++) {
1.180 + Measure(CreateThreadsUU, "Create user/user threads");
1.181 + Measure(CreateThreadsUK, "Create user/native threads");
1.182 + Measure(CreateThreadsKU, "Create native/user threads");
1.183 + Measure(CreateThreadsKK, "Create native/native threads");
1.184 + }
1.185 +
1.186 + if (debug_mode) printf("\nNow switch to recycling threads \n\n");
1.187 + PR_SetThreadRecycleMode(1);
1.188 +
1.189 + for (index=0; index<iterations; index++) {
1.190 + Measure(CreateThreadsUU, "Create user/user threads");
1.191 + Measure(CreateThreadsUK, "Create user/native threads");
1.192 + Measure(CreateThreadsKU, "Create native/user threads");
1.193 + Measure(CreateThreadsKK, "Create native/native threads");
1.194 + }
1.195 +
1.196 +
1.197 + printf("%s\n", ((passed) ? "PASS" : "FAIL"));
1.198 +
1.199 + PR_Cleanup();
1.200 +
1.201 + if (passed) {
1.202 + return 0;
1.203 + } else {
1.204 + return 1;
1.205 + }
1.206 +}
