source: tests/concurrency/waituntil/channel_close.cfa@ acde87a

#include <select.hfa>
#include <thread.hfa>
#include <channel.hfa>
#include <time.hfa>

channel(long long int) A, B;

volatile long long int inserts = 0;
volatile long long int removes = 0;

thread Producer {};
void main( Producer & this ) {
    try {
        for( long long int i = 0;;i++ ) {
            waituntil( A << i ) { inserts++; }
            and waituntil( B << i ) { inserts++; }
        }
    } catch ( channel_closed * e ) {} 
}

bool useAnd = false;
thread Consumer {}; // ensures that the changing when states of Server1 don't result in a deadlock
void main( Consumer & this ) {
    long long int in, in2, A_removes = 0, B_removes = 0;
    try {
        for( ;; ) {
            if ( useAnd ) {
                waituntil( (in << A) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); assert( A_removes == in ); A_removes++; removes++; }
                and waituntil( (in2 << B) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); assert( B_removes == in2 ); B_removes++; removes++; }
                continue;
            }
            waituntil( (in << A) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); assert( A_removes == in ); A_removes++; removes++; }
            or waituntil( (in << B) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); ( B_removes == in ); B_removes++; removes++; }
        }
    } catchResume ( channel_closed * e ) {} // continue to remove until would block
    catch ( channel_closed * e ) {} 
    try {
        for( ;; )
            waituntil( (in << A) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); assert( A_removes == in ); A_removes++; removes++; }
    } catchResume ( channel_closed * e ) {} // continue to remove until would block
    catch ( channel_closed * e ) {} 
    try {
        for( ;; )
            waituntil( (in << B) ) { __atomic_thread_fence( __ATOMIC_SEQ_CST ); assert( B_removes == in ); B_removes++; removes++; }
    } catchResume ( channel_closed * e ) {} // continue to remove until would block
    catch ( channel_closed * e ) {} 
}


size_t time = 5;
int main( int argc, char * argv[] ) {
    if ( argc == 2 )
        time = atoi( argv[1] );

    processor p[2];
    A{5};
    B{5};

    printf("start OR\n");
    {
        Producer p;
        Consumer c;
        sleep(time`s);
        printf("done sleep\n");
        printf("closing A\n");
        close(A);
        printf("closing B\n");
        close(B);
    }
    if ( inserts != removes ) 
        printf("CHECKSUM MISMATCH!! Producer got: %lld, Consumer got: %lld\n", inserts, removes);
    printf("done\n");
    ^A{};
    ^B{};

    useAnd = true;

    inserts = 0;
    removes = 0;
    A{5};
    B{5};
    printf("start AND\n");
    {
        Producer p;
        Consumer c;
        sleep(time`s);
        printf("done sleep\n");
        printf("closing A\n");
        close(A);
        printf("closing B\n");
        close(B);
    }
    if ( inserts != removes ) 
        printf("CHECKSUM MISMATCH!! Producer got: %lld, Consumer got: %lld\n", inserts, removes);
    printf("done\n");
}