source: src/tests/sched-int-multi.c@ dba6db9

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

enum state_t { WAIT, SIGNAL, BARGE };

monitor global_t {};

monitor global_data_t {
        bool done;
        int counter;
        state_t state;
};

void ?{} ( global_data_t * this ) {
        this->done = false;
        this->counter = 0;
        this->state = BARGE;
}

void ^?{} ( global_data_t * this ) {}

global_t globalA;
global_t globalB;
global_data_t globalC;

condition cond;

thread Threads {};

bool logicC( global_t * mutex a, global_t * mutex b, global_data_t * mutex c ) {
        c->counter++;

        int action = c->counter % 10;

        if( action == 1 || action == 3 ) {
                if(c->state != BARGE) {
                        sout | "ERROR Mutual exclusion is inconsistent for wait" | endl;
                        abort();
                }

                c->state = WAIT;
                wait( &cond );

                if(c->state != SIGNAL) {
                        sout | "ERROR Barging detected" | endl;
                        abort();
                }
        }
        else if( action == 6 ) {
                if(c->state != BARGE) {
                        sout | "ERROR Mutual exclusion is inconsistent for signal" | endl;
                        abort();
                }

                c->state = SIGNAL;

                signal( &cond );
                signal( &cond );
        }
        else {
                c->state = BARGE;
        }

        if( (c->counter % 1000) == 0 ) sout | c->counter | endl;
        if( c->counter == 100_000 ) c->done = true;
        return !c->done;
}

bool logicB( global_t * mutex a, global_t * mutex b ) {
        return logicC(a, b, &globalC);
}

bool logicA( global_t * mutex a ) {
        return logicB(a, &globalB);
}

void main( Threads* this ) {
        while( logicA(&globalA) ) { yield(); };
}

int main(int argc, char* argv[]) {
        processor p[3];
        {
                Threads t[20];
        }
}