terminate()
Terminates thr and schedules another thread to be run. If this thread is already marked to be killed, exit returns the Thread. If this is the main thread, or the last thread, exits the process.
VALUE rb_thread_kill(VALUE thread) { rb_thread_t *th; GetThreadPtr(thread, th); if (th != GET_THREAD() && th->safe_level < 4) { rb_secure(4); } if (th->status == THREAD_TO_KILL || th->status == THREAD_KILLED) { return thread; } if (th == th->vm->main_thread) { rb_exit(EXIT_SUCCESS); } thread_debug("rb_thread_kill: %p (%p)\n", (void *)th, (void *)th->thread_id); rb_threadptr_interrupt(th); th->thrown_errinfo = eKillSignal; th->status = THREAD_TO_KILL; return thread; }