PJRR_INTERRUPTED = 2

};

static enum postponed_job_register_result

postponed_job_register(rb_execution_context_t *ec, rb_vm_t *vm,

unsigned int flags, rb_postponed_job_func_t func, void *data, int max, int expected_index)

rb_postponed_job_t *pjob;

if (expected_index >= max) return PJRR_FULL; /* failed */

if (ATOMIC_CAS(vm->postponed_job_index, expected_index, expected_index+1) == expected_index) {

pjob = &vm->postponed_job_buffer[expected_index];

}

else {

return PJRR_INTERRUPTED;

}

pjob->data = data;

RUBY_VM_SET_POSTPONED_JOB_INTERRUPT(ec);

return PJRR_SUCCESS;

}