1  from types import FrameType
   2  from typing import Any, Callable, Tuple, Union
   3  
   4  SIG_DFL: int = ...
   5  SIG_IGN: int = ...
   6  
   7  ITIMER_REAL: int = ...
   8  ITIMER_VIRTUAL: int = ...
   9  ITIMER_PROF: int = ...
  10  
  11  NSIG: int = ...
  12  
  13  SIGABRT: int = ...
  14  SIGALRM: int = ...
  15  SIGBREAK: int = ...  # Windows
  16  SIGBUS: int = ...
  17  SIGCHLD: int = ...
  18  SIGCLD: int = ...
  19  SIGCONT: int = ...
  20  SIGEMT: int = ...
  21  SIGFPE: int = ...
  22  SIGHUP: int = ...
  23  SIGILL: int = ...
  24  SIGINFO: int = ...
  25  SIGINT: int = ...
  26  SIGIO: int = ...
  27  SIGIOT: int = ...
  28  SIGKILL: int = ...
  29  SIGPIPE: int = ...
  30  SIGPOLL: int = ...
  31  SIGPROF: int = ...
  32  SIGPWR: int = ...
  33  SIGQUIT: int = ...
  34  SIGRTMAX: int = ...
  35  SIGRTMIN: int = ...
  36  SIGSEGV: int = ...
  37  SIGSTOP: int = ...
  38  SIGSYS: int = ...
  39  SIGTERM: int = ...
  40  SIGTRAP: int = ...
  41  SIGTSTP: int = ...
  42  SIGTTIN: int = ...
  43  SIGTTOU: int = ...
  44  SIGURG: int = ...
  45  SIGUSR1: int = ...
  46  SIGUSR2: int = ...
  47  SIGVTALRM: int = ...
  48  SIGWINCH: int = ...
  49  SIGXCPU: int = ...
  50  SIGXFSZ: int = ...
  51  
  52  # Windows
  53  CTRL_C_EVENT: int = ...
  54  CTRL_BREAK_EVENT: int = ...
  55  
  56  class ItimerError(IOError): ...
  57  
  58  _HANDLER = Union[Callable[[int, FrameType], None], int, None]
  59  
  60  def alarm(time: int) -> int: ...
  61  def getsignal(signalnum: int) -> _HANDLER: ...
  62  def pause() -> None: ...
  63  def setitimer(which: int, seconds: float, interval: float = ...) -> Tuple[float, float]: ...
  64  def getitimer(which: int) -> Tuple[float, float]: ...
  65  def set_wakeup_fd(fd: int) -> int: ...
  66  def siginterrupt(signalnum: int, flag: bool) -> None: ...
  67  def signal(signalnum: int, handler: _HANDLER) -> _HANDLER: ...
  68  def default_int_handler(signum: int, frame: FrameType) -> None: ...
  69