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Issue #22054: Add os.get_blocking() and os.set_blocking() functions to get and

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set the blocking mode of a file descriptor (False if the O_NONBLOCK flag is
set, True otherwise). These functions are not available on Windows.
This commit is contained in:
Victor Stinner 2014-07-29 22:32:47 +02:00
parent 6aa4269ed2
commit 1db9e7bb19
13 changed files with 198 additions and 58 deletions
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6
Lib/asyncore.py
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@ -590,8 +590,6 @@ def close_all(map=None, ignore_all=False):
# Regardless, this is useful for pipes, and stdin/stdout...
if os.name == 'posix':
import fcntl
class file_wrapper:
# Here we override just enough to make a file
# look like a socket for the purposes of asyncore.
@ -642,9 +640,7 @@ if os.name == 'posix':
pass
self.set_file(fd)
# set it to non-blocking mode
flags = fcntl.fcntl(fd, fcntl.F_GETFL, 0)
flags = flags | os.O_NONBLOCK
fcntl.fcntl(fd, fcntl.F_SETFL, flags)
os.set_blocking(fd, False)
def set_file(self, fd):
self.socket = file_wrapper(fd)