#include #include "syscall.h" #include "atomic.h" #include "libc.h" static void dummy() { } weak_alias(dummy, __funcs_on_quick_exit); _Noreturn void quick_exit(int code) { static int lock; while (a_swap(&lock, 1)) __syscall(SYS_pause); __funcs_on_quick_exit(); _Exit(code); }