def check_sigmasks(sigmasks: psutil_extra.ProcessSignalMasks) -> None:
if hasattr(sigmasks, "blocked"):
assert sigmasks.blocked == signal.pthread_sigmask(
signal.SIG_BLOCK, [])
if hasattr(sigmasks, "pending"):
assert sigmasks.pending == signal.sigpending()
def inner():
# Block signals unconditionally to avoid them impacting our return
# code.
signal.pthread_sigmask(signal.SIG_SETMASK, test_signals)
for sig in test_signals:
os.kill(pid, sig)
received_signal = False
received_signals = signal.sigpending()
while received_signals != test_signals:
result = signal.sigtimedwait(forwarded_signals, 0.1)
if result is not None:
received_signal = True
received_signals.add(result.si_signo)
elif received_signal:
# Only trace after the first empty response.
received_signal = False
logger.debug("Waiting for %s",
test_signals - received_signals)
output_path.write_text(to_string(received_signals),
encoding="utf-8")
def test_sigpending_empty(self):
self.assertEqual(signal.sigpending(), set())
def test_sigpending_empty(self):
self.assertEqual(signal.sigpending(), set())
#coding:utf-8
"""
@author: mcfee
@description:阻塞信号
@file: test_signal.py
@time: 2020/6/23 下午3:45
"""
import signal
import time
def test(sign, frame):
print("触发方法")
signal.signal(signal.SIGALRM, test)
signal.pthread_sigmask(signal.SIG_BLOCK, [signal.SIGALRM]) # 设置信号屏蔽
signal.alarm(1)
time.sleep(2)
print(signal.sigpending())
signal.pthread_sigmask(signal.SIG_UNBLOCK, [signal.SIGALRM]) # 解除信号屏蔽
###解除信号屏蔽后，信号就交付了