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Entercriticalsection Access Violation


Pseudo-currying in one line Why is it difficult for water waves to cancel each other? My handle is an event2. Then I close the handle to that thread and create a new thread on the slot. I can therefore find out which thread got signaled (for example thread number 5). his comment is here

Anyway, I think the problem is in working thread's code, but you see main thread waiting in WFMO, like it very well should be. –Dialecticus Oct 9 '11 at 22:42 1 It all works well until i try to create more than 64 threads. The program compiles and produces the correct result about 3 out of 5 times but sometimes I get an error that says "Access violation when writing to ... (some memory location for (DWORD i = 0; i < MaxThreads; i++) { // Allocate memory for thread data. go to this web-site

Entercriticalsection Access Violation

Windows 7 is very good but also complex, you may need to get a Windows 7 manual to see which setting are right for you. May be You have an error before WaitforSingleObject (a very bad memory overflow could cause a lot of another errors)? I create x threads to compute the sum, so i divide the array in x peaces and have each thread compute one of those peaces.

Read of address 00000038.main thread ($d38):005a8024 devcpp.exe project 1981 TProject.GetCurrentProfile0056f504 devcpp.exe main 5095 TMainForm.actDebugExecute400387ef rtl60.bpl Classes TBasicAction.Execute400e71a1 vcl60.bpl Actnlist TContainedAction.Execute400e7e39 vcl60.bpl Actnlist TCustomAction.Execute400386c4 rtl60.bpl Classes TBasicActionLink.Execute4010796d vcl60.bpl Controls TControl.Click4014319c vcl60.bpl Comctrls I guess so, maybe somewhere memory overlow before the function is called.(I really really don't hope this because my program is quite big)Things become interesting, yeah? It resides in the restore point, just in case you accidently removed a program.D) Download or install a fresh version of wxDec-C++E) make sure your wxDev-C++ is in Program Files (x86), While xwDev-C++ trickered the event, the program itself works.

I assume this is related to accessing score? (The global double) #include #include #include double score = 0.0; HANDLE threads[10]; CRITICAL_SECTION score_mutex; unsigned int __stdcall MyThread(void *data) { Entercriticalsection Msdn I'm logged into system as Power User.From time to time Explorer++ crashed with no visible reason: when opening certain folders (folders containing many image files) or when just doing nothing with It will give you an overview of the many possibilities what could have happened. A word for something that used to be unique but is now so commonplace it is no longer noticed Why can't the OR operation "||" replace the ternary operator "? :"

How can I set up a password for the 'rm' command? All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Not the answer you're looking for? See the following example, it works perfectly: Expand|Select|Wrap|Line Numbers #include #include #include #include #include #include //SecoundThreadfunction voidThreadProc(void*param); //Firstthread intmain() { intn; inti; intval=0; HANDLEhandle; DWORDdwRetVal; printf("\tThreadDemo\n");

Entercriticalsection Msdn

In this case nothing pops out at me from what you've posted. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Entercriticalsection Access Violation I work on Windows 2000, and I don't give the handle a SYNCHRONIZE access, but if I don't, the call to WaitForSingleObject will crash?3,4: As WaitforSingleObject crahes, I have no way Deletecriticalsection I put break points before and after the waitformultipleobjects and have concluded that that must be the culprit.

Solve equation in determinant Why the pipe command "l | grep "1" " get the wrong result? this content I usually find with a few k, r, u, and dq commands in windbg, the cause for a bad pointer dereference becomes pretty obvious. This causes the following DeleteCriticalSection to be run while there's still threads waiting to access it. It's been a while, but if I remember correctly, it's best to use AfxBeginThread from within an MFC app.Brian Monday, April 05, 2010 10:35 PM 0 Sign in to vote Hello Initializecriticalsection

You can also Google "EAccessViolation" or Read of "address 00000038". Browse other questions tagged c++ multithreading winapi or ask your own question. How can I slow down rsync? Call it after WaitForSingleObject() and look in debugger; if You work with release, You can use printf with console and MessageBox with Windows...

Register now while it's still free! main thread ($1768): 005a8024 devcpp.exe project 1981 TProject.GetCurrentProfile 0056f504 devcpp.exe main 5095 TMainForm.actDebugExecute 400387ef rtl60.bpl Classes TBasicAction.Execute 400e71a1 vcl60.bpl Actnlist TContainedAction.Execute 400e7e39 vcl60.bpl Actnlist TCustomAction.Execute 400386c4 rtl60.bpl Classes TBasicActionLink.Execute 4010796d vcl60.bpl The code is as below.

Is it wrong? –Eilidh May 12 '11 at 14:56 Oh, missed that.

Is there a limit to the number of nested 'for' loops? share|improve this answer edited May 12 '11 at 15:07 answered May 12 '11 at 14:52 Doug T. 41.6k1694167 Yeah, silly mistake - fixed now, thanks. Defaulted to export symbols for C:\WINDOWS\system32\ntdll.dll - функция: ntdll!NtDelayExecution 00000000`77ef0d20 4c8bd1 mov r10,rcx 00000000`77ef0d23 b830000000 mov eax,0x30 00000000`77ef0d28 0f05 syscall 00000000`77ef0d2a c3 ret 00000000`77ef0d2b 666690 nop 00000000`77ef0d2e 6690 nop ntdll!NtDelayExecution: 00000000`77ef0d30 and I don't think every single time when I call WaitforsingleObject, the handle is made invalid by another thread.

Thank you :) –Ricardo Araújo Jun 10 '14 at 23:12 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up Hence correct the function call as follows : HANDLE h = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) Foo, NULL, 0,NULL); - Bio. asked 5 years ago viewed 12053 times active 5 years ago Visit Chat Related 1“Unhandled exception”/“Access violation writing location” error with referenced array pointers0Unhandled exception at 0x1000bbae in OCTREE.exe: 0xC0000005: Access check over here waiting threads1WaitForSingleObject doesn't timeout Hot Network Questions Coprimes up to N Pseudo-currying in one line Is there a toy example of an axiomatically defined system/ structure?

unsigned MandelbrotSet::tfcn(void* obj) { funcArg *args = (funcArg*) obj; int count = 0; vector dummy; while(args->set->counts.size() <= args->row) { args->set->counts.push_back(dummy); } for(int y = 0; y < args->set->nx; ++y) { complex asked 2 years ago viewed 161 times active 2 years ago Related 3Can the HWND from CreateWindow/CreateDialog be GetMessage'd from another thread?6Changing a Window's message loop thread1Access Violation with static arrays?0C++ Have already gone through the normal troubleshooting (restarts, reinstalls, ect). Defaulted to export symbols for C:\WINDOWS\system32\USER32.dll - функция: USER32!GetWindowLongPtrW 00000000`77c43d89 90 nop 00000000`77c43d8a 90 nop 00000000`77c43d8b 90 nop 00000000`77c43d8c 90 nop 00000000`77c43d8d 90 nop 00000000`77c43d8e 90 nop 00000000`77c43d8f 90 nop 00000000`77c43d90

I thought i just made some well-known mistake or something. –fogbit Dec 1 '11 at 16:33 @fogbit Yes in fact, if I have a crash in a function that's How to calculate the expectation of a "ceiling" normal distribution besides Monte Carlo? It looks kind of ugly with all of the pointers. WaitForMultipleObjects waits for all the secondary threads so that the primary thread doesn't exit. –cpx May 12 '11 at 15:17 | show 1 more comment 4 Answers 4 active oldest votes

Always check error codes from C API functions. asked 5 years ago viewed 2524 times active 5 years ago Visit Chat Related 1WaitForSingleObject( )4COM + WaitForSingleObject2Boost.Thread Assertion/Crash on Windows during win32::WaitForSingleObject1WaitForSingleObject problem1waitforsingleobject for an already signaled event0Crash in WaitForSingleObject Defaulted to export symbols for C:\WINDOWS\system32\kernel32.dll - Child-SP RetAddr : Args to Child : Call Site00000000`0012f9f8 00000000`77c43dd6 : 00000000`00000000 00000000`00000000 00000001`40000000 00000000`00000001 : USER32!GetWindowLongPtrW+0x11a00000000`0012fa00 00000001`400a3b0d : 00000000`001203c3 00000000`0012fb30 00000000`00000000 000007ff`7b0f0000 : Join them; it only takes a minute: Sign up Unhandled exception / Access violation writing location in a Mutex example up vote 8 down vote favorite 2 I'm working through an

It's quick & easy.