source: tests/exceptions/cancel/thread.cfa@ f9519d4

// Try cancelling a thread.

#include <thread.hfa>

exception internal_error {};
vtable(internal_error) internal_vt;

thread WillCancel {};

const char * msg(ThreadCancelled(WillCancel) * this) {
        return "ThreadCancelled(WillCancel)";
}

void main(WillCancel &) {
        printf("1");
        cancel_stack((internal_error){&internal_vt});
        printf("!");
}

void explicit() {
        try {
                printf("0");
                WillCancel cancel;
                printf("1");
                join(cancel);
                printf("4");
        } catchResume (ThreadCancelled(WillCancel) * error) {
                printf("2");
                if ((virtual internal_error *)error->the_exception) {
                        printf("3");
                }
        }
        printf("5\n");
}

void implicit() {
        try {
                {
                        printf("0");
                        WillCancel cancel;
                        printf("1");
                }
                printf("4");
        } catchResume (ThreadCancelled(WillCancel) * error) {
                printf("2");
                if ((virtual internal_error *)error->the_exception) {
                        printf("3");
                }
        }
        printf("5\n");
}

int main(int argc, char * argv[]) {
        explicit();
        implicit();
}