How Do I Stop A Thread From Outside Of It

Question

1.00/5 (1 vote)

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C++

main() {
       
        pthread_t t;
        int k;
      pthread_create(&t,NULL, timer, NULL) // thread is running well.

if(cin >> k) goto point; // when is enter value thread should be closed
        point:
    closegraph(); 
   TerminateThread(&t,0);
   
cout <<"Exiting......";
        getch();
    }

Posted 3-Jan-15 16:57pm

Member 11333037

Updated 3-Jan-15 18:37pm

Garth J Lancaster

v2

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3 solutions

Solution 2

C++

if(cin >> k) goto point; // when is enter value thread should be closed
        point:

The if statement will always be true when some input is received so the goto serves no purpose. And you really should learn to write code without goto statements, they can cause unintended results.

Posted 3-Jan-15 21:52pm

Richard MacCutchan

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KarstenK · Accepted Answer · 2015-01-03T22:24:00

Solution 3

A global variable or better an event which is checked in the thread. By that method you can do some cleanup like handles or memory and terminate clean and smooth.

Posted 3-Jan-15 22:24pm

KarstenK

Garth J Lancaster · Accepted Answer · 2015-01-03T18:37:00

Solution 1

'badly' is the answer - its dangerous - the best way is to have perhaps an eventhandle, check that periodically in the thread's working procedure/loop, and if its flagged (by signalling/raising it from outside the thread), exit the thread cleanly from within

Posted 3-Jan-15 18:37pm

Garth J Lancaster