def wakeUp(self):
"""Send a byte to my connection.
"""
try:
util.untilConcludes(self.w.send, 'x')
except socket.error, (err, msg):
if err != errno.WSAEWOULDBLOCK:
raise
def emit(self, eventDict):
text = textFromEventDict(eventDict)
if text is None:
return
timeStr = self.formatTime(eventDict['time'])
fmtDict = {'system': eventDict['system'], 'text': text.replace("\n", "\n\t")}
msgStr = _safeFormat("[%(system)s] %(text)s\n", fmtDict)
util.untilConcludes(self.write, timeStr + " " + msgStr)
util.untilConcludes(self.flush) # Hoorj!
def wakeUp(self):
"""Write one byte to the pipe, and flush it.
"""
# We don't use fdesc.writeToFD since we need to distinguish
# between EINTR (try again) and EAGAIN (do nothing).
if self.o is not None:
try:
util.untilConcludes(os.write, self.o, 'x')
except OSError, e:
# XXX There is no unit test for raising the exception
# for other errnos. See #4285.
if e.errno != errno.EAGAIN:
raise
def testUninterruptably(self):
def f(a, b):
self.calls += 1
exc = self.exceptions.pop()
if exc is not None:
raise exc(errno.EINTR, "Interrupted system call!")
return a + b
self.exceptions = [None]
self.calls = 0
self.assertEquals(util.untilConcludes(f, 1, 2), 3)
self.assertEquals(self.calls, 1)
self.exceptions = [None, OSError, IOError]
self.calls = 0
self.assertEquals(util.untilConcludes(f, 2, 3), 5)
self.assertEquals(self.calls, 3)
def testUninterruptably(self):
def f(a, b):
self.calls += 1
exc = self.exceptions.pop()
if exc is not None:
raise exc(errno.EINTR, "Interrupted system call!")
return a + b
self.exceptions = [None]
self.calls = 0
self.assertEquals(util.untilConcludes(f, 1, 2), 3)
self.assertEquals(self.calls, 1)
self.exceptions = [None, OSError, IOError]
self.calls = 0
self.assertEquals(util.untilConcludes(f, 2, 3), 5)
self.assertEquals(self.calls, 3)