concurrent_queue causes crash by Reluctant HausFrau

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as Duplicate Help for as Duplicate

Type:	Bug
ID:	609049
Opened:	10/1/2010 12:46:32 PM
Access Restriction:	Public

Workaround(s)

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User(s) can reproduce this bug

It appears that Concurrency::concurrent_queue crashes when using a string. The code below crashes when I call clear (or simply destroy the queue). I don't see anything obviously wrong.

The debugger reports:

Unhandled exception at 0x0059caa8 (msvcr100d.dll) in ConcurrentQ_Destructor.exe: 0xC0000005: Access violation writing location 0xcccccccc.

Details (expand)

Visual Studio 2010

Reliability

Compile and run below:

#include "stdafx.h"
#include <concurrent_queue.h>

using namespace ::std;
using namespace ::Concurrency;

int _tmain()
{
cout << "creating q and inserting two values and then clearing it up" << endl;
concurrent_queue<string> queue;
queue.push("The first push is OK");
cout << "the first push is OK" << endl;
queue.push("The clear will cause a crash.");
cout << "the second push is OK" << endl;
queue.clear();

// if you comment out the above and just try the destructor
cout << "creating q and inserting a value" << endl;
//scope
{
// the destructor seems to cause the crash
concurrent_queue<string> queue2;
queue2.push("This will crash!");
}
cout << "queue2 is destroyed" << endl;

return 0;
}

English

Windows 7

English

Unhandled exception at 0x0059caa8 (msvcr100d.dll) in ConcurrentQ_Destructor.exe: 0xC0000005: Access violation writing location 0xcccccccc.

no crash

0 attachments

Posted by Microsoft on 10/3/2010 at 6:55 PM

Thanks for your feedback.

We are rerouting this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. These specialized experts will follow-up with your issue.

Posted by Microsoft on 10/3/2010 at 6:20 PM

Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(http://support.microsoft.com)

Microsoft