pthread使用

https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/Multithreading/CreatingThreads/CreatingThreads.html

#include <assert.h>

#include <pthread.h>

void* PosixThreadMainRoutine(void* data)

{

    // Do some work here.

    return NULL;

}

void LaunchThread()

{

    // Create the thread using POSIX routines.

    pthread_attr_t  attr;

    pthread_t       posixThreadID;

    int             returnVal;

    returnVal = pthread_attr_init(&attr);

    assert(!returnVal);

    returnVal = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

    assert(!returnVal);

    int     threadError = pthread_create(&posixThreadID, &attr, &PosixThreadMainRoutine, NULL);

    returnVal = pthread_attr_destroy(&attr);

    assert(!returnVal);

    if (threadError != 0)

    {

         // Report an error.

    }

}