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c1637a52ed
Differential Revision: https://phabricator.services.mozilla.com/D48414 --HG-- extra : moz-landing-system : lando
103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "prprf.h"
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#include "prio.h"
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#include "prinit.h"
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#include "prthread.h"
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#include "prinrval.h"
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#include "plgetopt.h"
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#include <stdlib.h>
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static void PR_CALLBACK Thread(void *sleep)
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{
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PR_Sleep(PR_SecondsToInterval((PRUint32)sleep));
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printf("Thread exiting\n");
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}
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static void Help(void)
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{
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PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
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PR_fprintf(err, "Cleanup usage: [-g] [-s n] [-t n] [-c n] [-h]\n");
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PR_fprintf(err, "\t-c Call cleanup before exiting (default: false)\n");
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PR_fprintf(err, "\t-G Use global threads only (default: local)\n");
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PR_fprintf(err, "\t-t n Number of threads involved (default: 1)\n");
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PR_fprintf(err, "\t-s n Seconds thread(s) should dally (defaut: 10)\n");
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PR_fprintf(err, "\t-S n Seconds main() should dally (defaut: 5)\n");
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PR_fprintf(err, "\t-C n Value to set concurrency (default 1)\n");
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PR_fprintf(err, "\t-h This message and nothing else\n");
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} /* Help */
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int main(int argc, char **argv)
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{
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PLOptStatus os;
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PRBool cleanup = PR_FALSE;
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PRThreadScope type = PR_LOCAL_THREAD;
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PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
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PLOptState *opt = PL_CreateOptState(argc, argv, "Ghs:S:t:cC:");
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PRIntn concurrency = 1, child_sleep = 10, main_sleep = 5, threads = 1;
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PR_STDIO_INIT();
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while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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{
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if (PL_OPT_BAD == os) {
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continue;
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}
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switch (opt->option)
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{
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case 'c': /* call PR_Cleanup() before exiting */
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cleanup = PR_TRUE;
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break;
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case 'G': /* local vs global threads */
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type = PR_GLOBAL_THREAD;
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break;
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case 's': /* time to sleep */
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child_sleep = atoi(opt->value);
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break;
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case 'S': /* time to sleep */
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main_sleep = atoi(opt->value);
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break;
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case 'C': /* number of cpus to create */
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concurrency = atoi(opt->value);
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break;
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case 't': /* number of threads to create */
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threads = atoi(opt->value);
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break;
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case 'h': /* user wants some guidance */
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Help(); /* so give him an earful */
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return 2; /* but not a lot else */
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break;
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default:
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break;
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}
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}
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PL_DestroyOptState(opt);
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PR_fprintf(err, "Cleanup settings\n");
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PR_fprintf(err, "\tThread type: %s\n",
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(PR_LOCAL_THREAD == type) ? "LOCAL" : "GLOBAL");
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PR_fprintf(err, "\tConcurrency: %d\n", concurrency);
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PR_fprintf(err, "\tNumber of threads: %d\n", threads);
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PR_fprintf(err, "\tThread sleep: %d\n", child_sleep);
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PR_fprintf(err, "\tMain sleep: %d\n", main_sleep);
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PR_fprintf(err, "\tCleanup will %sbe called\n\n", (cleanup) ? "" : "NOT ");
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PR_SetConcurrency(concurrency);
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while (threads-- > 0)
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(void)PR_CreateThread(
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PR_USER_THREAD, Thread, (void*)child_sleep, PR_PRIORITY_NORMAL,
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type, PR_UNJOINABLE_THREAD, 0);
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PR_Sleep(PR_SecondsToInterval(main_sleep));
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if (cleanup) {
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PR_Cleanup();
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}
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PR_fprintf(err, "main() exiting\n");
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return 0;
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} /* main */
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