source: tests/concurrent/multi-monitor.cfa @ dafbde8

#include <fstream.hfa>
#include <kernel.hfa>
#include <monitor.hfa>
#include <thread.hfa>

static int global12, global23, global13;

monitor monitor_t {};

static monitor_t m1, m2, m3;

void increment( monitor_t & mutex p1, monitor_t & mutex p2, int & value ) {
        assert(active_thread() == get_monitor(p1)->owner);
        assert(active_thread() == get_monitor(p2)->owner);
        value += 1;
        assert(active_thread() == get_monitor(p1)->owner);
        assert(active_thread() == get_monitor(p2)->owner);
}

thread MyThread {
        int target;
};

void ?{}( MyThread & this, int target ) {
        this.target = target;
}

void ^?{}( MyThread & mutex this ) {}

void main( MyThread & this ) {
        for(int i = 0; i < 1000000; i++) {
                choose(this.target) {
                        case 0: increment( m1, m2, global12 );
                        case 1: increment( m2, m3, global23 );
                        case 2: increment( m1, m3, global13 );
                }
        }
}

forall(T & | sized(T) | { void ^?{}(T & mutex); })
void delete_mutex(T * x) {
        ^(*x){};
        free(x);
}

int main(int argc, char* argv[]) {
        processor p;
        {
                MyThread * f[6];
                for(int i = 0; i < 6; i++) {
                        f[i] = new(i % 3);
                }

                for(int i = 0; i < 6; i++) {
                        delete_mutex( f[i] );
                }
        }
        sout | global12 | global23 | global13;
}