source: tests/concurrency/join.cfa @ 7e4bd9b6

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

thread Worker { volatile int result; };

void main(Worker & this) {
        this.result = -10;
        for(50) {
                yield();
        }
        this.result = 42;
}

thread OtherWorker { volatile int result; };

void main(OtherWorker & this) {
        this.result = -10;
        LOOP: for() {
                waitfor( ^?{} : this) {
                        break LOOP;
                }
                or else {
                        yield();
                }
        }
        this.result = 27;
}


int main(int argc, char* argv[]) {
        {
                Worker workers[17];
                for(i; 17) {
                        int res = join( workers[i] ).result;
                        if( res != 42 ) {
                                sout | "Worker" | i | "got incorrect result:" | res;
                        }
                }
        }
        sout | "All workers got 42";

        {
                OtherWorker workers[17];
                for(i; 17) {
                        int res = join( workers[i] ).result;
                        if( res != 27 ) {
                                sout | "Other Worker" | i | "got incorrect result:" | res;
                        }
                }
        }
        sout | "All other workers got 27";
}