atomic.cx

//! counter: 5\nflag: 1\natomic ptr: 99\n
include <stdio.h>
include <stdatomic.h>
include <stdint.h>

struct SharedState {
    _Atomic u32 counter;
    _Atomic bool ready;
}

void increment_counter(_Atomic u32* c, u32 times) {
    for (u32 i = 0; i < times; i++) {
        atomic_fetch_add(c, 1);
    }
}

bool check_flag(_Atomic bool* flag) {
    return atomic_load(flag);
}

int main() {
    _Atomic u32 counter = 0;
    increment_counter(&counter, 5);
    printf("counter: %u\n", atomic_load(&counter));

    _Atomic bool ready = true;
    printf("flag: %d\n", check_flag(&ready));

    _Atomic u32 value = 99;
    _Atomic u32* atomic_ptr = &value;
    printf("atomic ptr: %u\n", atomic_load(atomic_ptr));

    return 0;
}