mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

This is patch

Browse source 
[ 559250 ] more POSIX signal stuff

Adds support (and docs and tests and autoconfery) for posix signal
mask handling -- sigpending, sigprocmask and sigsuspend.
This commit is contained in:
Michael W. Hudson 2002-05-27 15:08:24 +00:00
parent e5df1058f1
commit 34f20eac98
8 changed files with 304 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

68
Lib/test/test_signal.py
View file

@ -1,8 +1,7 @@
# Test the signal module
from test_support import verbose, TestSkipped
from test_support import verbose, TestSkipped, TestFailed
import signal
import os
import sys
import os, sys, time
if sys.platform[:3] in ('win', 'os2') or sys.platform=='riscos':
raise TestSkipped, "Can't test signal on %s" % sys.platform
@ -64,3 +63,66 @@ try:
except KeyboardInterrupt:
if verbose:
print "KeyboardInterrupt (assume the alarm() went off)"
if hasattr(signal, "sigprocmask"):
class HupDelivered(Exception):
pass
def hup(signum, frame):
raise HupDelivered
def hup2(signum, frame):
signal.signal(signal.SIGHUP, hup)
return
signal.signal(signal.SIGHUP, hup)
if verbose:
print "blocking SIGHUP"
defaultmask = signal.sigprocmask(signal.SIG_BLOCK, [signal.SIGHUP])
if verbose:
print "sending SIGHUP"
try:
os.kill(pid, signal.SIGHUP)
except HupDelivered:
raise TestFailed, "HUP not blocked"
if signal.SIGHUP not in signal.sigpending():
raise TestFailed, "HUP not pending"
if verbose:
print "unblocking SIGHUP"
try:
signal.sigprocmask(signal.SIG_UNBLOCK, [signal.SIGHUP])
except HupDelivered:
pass
else:
raise TestFailed, "HUP not delivered"
if verbose:
print "testing sigsuspend"
signal.sigprocmask(signal.SIG_BLOCK, [signal.SIGHUP])
signal.signal(signal.SIGHUP, hup2)
if not os.fork():
time.sleep(2)
os.kill(pid, signal.SIGHUP)
time.sleep(2)
os.kill(pid, signal.SIGHUP)
os._exit(0)
else:
try:
signal.sigsuspend(defaultmask)
except:
raise TestFailed, "sigsuspend erroneously raised"
try:
signal.sigsuspend(defaultmask)
except HupDelivered:
pass
else:
raise TestFailed, "sigsupsend didn't raise"