Thread Exit Hook Sample

thread_exit_sample

#include "mbed.h"

static void on_thread_terminate(osThreadId_t id);

volatile int flag;
DigitalOut led1(LED2);

void blinky() {
    while (flag) {
        led1 = !led1;
        wait(0.5);
    }
}

void counter() {
    int array[10];
    while (1) {
        flag++;
        array[flag%10] = flag;
    }
}

void on_thread_terminate(osThreadId_t id) {

    printf("Thread: 0x%x  Stack Size: 0x%x  Stack Space: 0x%x \n",
                (uint32_t)id, osThreadGetStackSize(id), osThreadGetStackSpace(id));
}

// main() runs in its own thread in the OS
int main() {
    
    DigitalOut led2(LED2);
    Thread t1, t2;
    
    flag = 1;
    t1.start(callback(counter));
    t1.attach_terminate_hook(on_thread_terminate);
    t2.start(callback(blinky));
    t2.attach_terminate_hook(on_thread_terminate);
    
    wait(2);    
    t1.terminate();    
    printf("Flag Value = %d \n", flag);
    
    wait(2);
    flag = 0;    
    t2.join();
}