我们从Python开源项目中，提取了以下18个代码示例，用于说明如何使用resource.RLIMIT_AS。
def setup_limit(self): """set up the process limit""" assert currentThread().getName() == 'MainThread' os.setpgrp() if self._limit_set <= 0: if self.max_time is not None: self._old_usr2_hdlr = signal(SIGUSR2, self._hangle_sig_timeout) self._timer = Timer(max(1, int(self.max_time) - self._elapse_time), self._time_out) self._start_time = int(time()) self._timer.start() if self.max_cpu_time is not None: self._old_max_cpu_time = getrlimit(RLIMIT_CPU) cpu_limit = (int(self.max_cpu_time), self._old_max_cpu_time[1]) self._old_sigxcpu_hdlr = signal(SIGXCPU, self._handle_sigxcpu) setrlimit(RLIMIT_CPU, cpu_limit) if self.max_memory is not None: self._msentinel = MemorySentinel(1, int(self.max_memory) ) self._old_max_memory = getrlimit(RLIMIT_AS) self._old_usr1_hdlr = signal(SIGUSR1, self._hangle_sig_memory) as_limit = (int(self.max_memory), self._old_max_memory[1]) setrlimit(RLIMIT_AS, as_limit) self._msentinel.start() self._limit_set += 1
def clean_limit(self): """reinstall the old process limit""" if self._limit_set > 0: if self.max_time is not None: self._timer.cancel() self._elapse_time += int(time())-self._start_time self._timer = None signal(SIGUSR2, self._old_usr2_hdlr) if self.max_cpu_time is not None: setrlimit(RLIMIT_CPU, self._old_max_cpu_time) signal(SIGXCPU, self._old_sigxcpu_hdlr) if self.max_memory is not None: self._msentinel.stop() self._msentinel = None setrlimit(RLIMIT_AS, self._old_max_memory) signal(SIGUSR1, self._old_usr1_hdlr) self._limit_set -= 1
def limitMemory(nbytes): setrlimit(RLIMIT_AS, (nbytes, -1))
def SetMemoryLimits(): try: from resource import getrlimit, setrlimit, RLIMIT_AS soft, hard = getrlimit(RLIMIT_AS) setrlimit(RLIMIT_AS, (hard, hard)) soft, hard = getrlimit(RLIMIT_AS) except: pass
def set_memory_limit(memory): """*memory* must be given in bytes or None.""" if memory is None: return assert can_set_limits() _set_limit(resource.RLIMIT_AS, memory)
def _get_external_memory_limit(): """Return external soft memory limit in bytes or None if not set.""" if not can_set_limits(): return None return _get_external_limit(resource.RLIMIT_AS)
def getMemoryLimit(): # noqa try: limit = getrlimit(RLIMIT_AS)[0] if 0 < limit: limit *= PAGE_SIZE return limit except ValueError: return None
def setMemoryLimit(max_mem): # noqa if max_mem is None: max_mem = -1 try: setrlimit(RLIMIT_AS, (max_mem, -1)) return True except ValueError: return False
def getMemoryLimit(): try: limit = getrlimit(RLIMIT_AS)[0] if 0 < limit: limit *= PAGE_SIZE return limit except ValueError: return None
def setMemoryLimit(max_mem): if max_mem is None: max_mem = -1 try: setrlimit(RLIMIT_AS, (max_mem, -1)) return True except ValueError: return False
