Interrupting boost thread

Question

I would like to be able to interrupt a thread as follows.

void mainThread(char* cmd)
{   
    if (!strcmp(cmd, "start"))
        boost::thread thrd(sender); //start thread

    if (!strcmp(cmd, "stop"))
        thrd.interrupt();       // doesn't work, because thrd is undefined here

}

thrd.interrupt() is not possible because thrd object is undefined when I try to interrupt it. How can I fix this?

Answer 1

Use the move assignment operator:

void mainThread(char* cmd)
{   
    boost::thread thrd;

    if (!strcmp(cmd, "start"))
        thrd = boost::thread(sender); //start thread

    if (!strcmp(cmd, "stop"))
        thrd.interrupt();

}