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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is the Netscape Portable Runtime (NSPR).
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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/***********************************************************************
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** Description: test garbace collection functions.
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** Modification History:
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** 19-May-97 AGarcia- Converted the test to accomodate the debug_mode flag.
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** The debug mode will print all of the printfs associated with this test.
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** The regress mode will be the default mode. Since the regress tool limits
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** the output to a one line status:PASS or FAIL,all of the printf statements
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** have been handled with an if (debug_mode) statement.
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** 04-June-97 AGarcia removed the Test_Result function. Regress tool has been updated to
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** recognize the return code from tha main program.
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***********************************************************************/
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/***********************************************************************
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***********************************************************************/
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#include "private/pprthred.h"
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PRIntn failed_already=0;
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static char* progname;
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static PRInt32 loops = 1000;
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static int tix1, tix2, tix3;
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static GCInfo* gcInfo;
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static PRLock* stderrLock;
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typedef struct Type1 Type1;
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typedef struct Type2 Type2;
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static void PR_CALLBACK ScanType1(void *obj) {
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gcInfo->livePointer(((Type1 *)obj)->atwo);
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gcInfo->livePointer(((Type1 *)obj)->next);
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static void PR_CALLBACK ScanType2(void *obj) {
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gcInfo->livePointer(((Type2 *)obj)->buf);
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static GCType type1 = {
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static GCType type2 = {
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/* (void (*)(void*)) ScanType2 */
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static GCType type3 = {
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Type1* NewType1(void) {
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Type1* p = (Type1*) PR_AllocMemory(sizeof(Type1), tix1, PR_ALLOC_DOUBLE);
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PR_ASSERT(p != NULL);
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Type2* NewType2(void) {
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Type2* p = (Type2*) PR_AllocMemory(sizeof(Type2), tix2, PR_ALLOC_DOUBLE);
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PR_ASSERT(p != NULL);
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void* NewBuffer(PRInt32 size) {
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void* p = PR_AllocMemory(size, tix3, PR_ALLOC_DOUBLE);
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PR_ASSERT(p != NULL);
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/* Allocate alot of garbage */
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static void PR_CALLBACK AllocStuff(void *unused) {
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void* danglingRefs[50];
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PRIntervalTime start, end;
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start = PR_IntervalNow();
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for (i = 0; i < loops; i++) {
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Type1* t1 = NewType1();
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t1->atwo = NewType2();
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t1->next = NewType1();
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t1->atwo->buf = NewBuffer(100);
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Type2* t2 = NewType2();
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t2->buf = NewBuffer(i & 16383);
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memmove(&danglingRefs[0], &danglingRefs[1], 49*sizeof(void*));
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danglingRefs[49] = p;
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end = PR_IntervalNow();
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if (debug_mode) PR_snprintf(msg, sizeof(msg), "Thread %p: %ld allocations took %ld ms",
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PR_GetCurrentThread(), loops,
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PR_IntervalToMilliseconds((PRIntervalTime) (end - start)));
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fprintf(stderr, "%s\n", msg);
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PR_Unlock(stderrLock);
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static void usage(char *progname) {
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fprintf(stderr, "Usage: %s [-t threads] [-l loops]\n", progname);
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static int realMain(int argc, char **argv, char *notused) {
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progname = strrchr(argv[0], '/');
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if (progname == 0) progname = argv[0];
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-t") == 0) {
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threads = atoi(argv[++i]);
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if (threads < 0) threads = 0;
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if (threads > 10000) threads = 10000;
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if (strcmp(argv[i], "-l") == 0) {
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loops = atoi(argv[++i]);
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for (i = 0; i < threads; i++) {
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thread = PR_CreateThreadGCAble(PR_USER_THREAD, /* thread type */
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AllocStuff, /* start function */
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PR_PRIORITY_NORMAL, /* priority */
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PR_LOCAL_THREAD, /* thread scope */
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PR_UNJOINABLE_THREAD, /* thread state */
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fprintf(stderr, "%s: no more threads (only %d were created)\n",
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static int padMain(int argc, char **argv) {
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return realMain(argc, argv, pad);
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int main(int argc, char **argv) {
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PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
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PR_SetThreadGCAble();
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PR_InitGC(0, 0, 0, PR_GLOBAL_THREAD);
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stderrLock = PR_NewLock();
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tix1 = PR_RegisterType(&type1);
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tix2 = PR_RegisterType(&type2);
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tix3 = PR_RegisterType(&type3);
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gcInfo = PR_GetGCInfo();
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rv = padMain(argc, argv);
added
removed
mozilla/nsprpub/lib/msgc/tests/thrashgc.c
