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lightning-sunbird  0.9+nobinonly
cleanup.c
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Netscape Portable Runtime (NSPR).
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "prprf.h"
00039 #include "prio.h"
00040 #include "prinit.h"
00041 #include "prthread.h"
00042 #include "prinrval.h"
00043 
00044 #include "plgetopt.h"
00045 
00046 #include <stdlib.h>
00047 
00048 static void PR_CALLBACK Thread(void *sleep)
00049 {
00050     PR_Sleep(PR_SecondsToInterval((PRUint32)sleep));
00051     printf("Thread exiting\n");
00052 }
00053 
00054 static void Help(void)
00055 {
00056     PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
00057     PR_fprintf(err, "Cleanup usage: [-g] [-s n] [-t n] [-c n] [-h]\n");
00058     PR_fprintf(err, "\t-c   Call cleanup before exiting     (default: false)\n");
00059     PR_fprintf(err, "\t-G   Use global threads only         (default: local)\n");
00060     PR_fprintf(err, "\t-t n Number of threads involved      (default: 1)\n");
00061     PR_fprintf(err, "\t-s n Seconds thread(s) should dally  (defaut: 10)\n");
00062     PR_fprintf(err, "\t-S n Seconds main() should dally     (defaut: 5)\n");
00063     PR_fprintf(err, "\t-C n Value to set concurrency        (default 1)\n");
00064     PR_fprintf(err, "\t-h   This message and nothing else\n");
00065 }  /* Help */
00066 
00067 PRIntn main(PRIntn argc, char **argv)
00068 {
00069     PLOptStatus os;
00070     PRBool cleanup = PR_FALSE;
00071        PRThreadScope type = PR_LOCAL_THREAD;
00072     PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);
00073     PLOptState *opt = PL_CreateOptState(argc, argv, "Ghs:S:t:cC:");
00074     PRIntn concurrency = 1, child_sleep = 10, main_sleep = 5, threads = 1;
00075 
00076     PR_STDIO_INIT();
00077     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
00078     {
00079         if (PL_OPT_BAD == os) continue;
00080         switch (opt->option)
00081         {
00082         case 'c':  /* call PR_Cleanup() before exiting */
00083             cleanup = PR_TRUE;
00084             break;
00085         case 'G':  /* local vs global threads */
00086             type = PR_GLOBAL_THREAD;
00087             break;
00088         case 's':  /* time to sleep */
00089             child_sleep = atoi(opt->value);
00090             break;
00091         case 'S':  /* time to sleep */
00092             main_sleep = atoi(opt->value);
00093             break;
00094         case 'C':  /* number of cpus to create */
00095             concurrency = atoi(opt->value);
00096             break;
00097         case 't':  /* number of threads to create */
00098             threads = atoi(opt->value);
00099             break;
00100         case 'h':  /* user wants some guidance */
00101             Help();  /* so give him an earful */
00102             return 2;  /* but not a lot else */
00103             break;
00104          default:
00105             break;
00106         }
00107     }
00108     PL_DestroyOptState(opt);
00109 
00110     PR_fprintf(err, "Cleanup settings\n");
00111     PR_fprintf(err, "\tThread type: %s\n",
00112         (PR_LOCAL_THREAD == type) ? "LOCAL" : "GLOBAL");
00113     PR_fprintf(err, "\tConcurrency: %d\n", concurrency);
00114     PR_fprintf(err, "\tNumber of threads: %d\n", threads);
00115     PR_fprintf(err, "\tThread sleep: %d\n", child_sleep);
00116     PR_fprintf(err, "\tMain sleep: %d\n", main_sleep); 
00117     PR_fprintf(err, "\tCleanup will %sbe called\n\n", (cleanup) ? "" : "NOT "); 
00118 
00119     PR_SetConcurrency(concurrency);
00120 
00121        while (threads-- > 0)
00122               (void)PR_CreateThread(
00123               PR_USER_THREAD, Thread, (void*)child_sleep, PR_PRIORITY_NORMAL,
00124                      type, PR_UNJOINABLE_THREAD, 0);
00125     PR_Sleep(PR_SecondsToInterval(main_sleep));
00126 
00127     if (cleanup) PR_Cleanup();
00128 
00129     PR_fprintf(err, "main() exiting\n");
00130     return 0;
00131 }  /* main */