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parent: docstring improvements, cfmakeraw() regression.

This commit is contained in:
David Wilson 2019-03-10 21:52:27 +00:00
parent c7ebb39ad4
commit f66611dc83
1 changed files with 11 additions and 10 deletions
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21
mitogen/parent.py
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@ -221,9 +221,11 @@ def flags(names):
def cfmakeraw(tflags):
"""Given a list returned by :py:func:`termios.tcgetattr`, return a list
"""
Given a list returned by :py:func:`termios.tcgetattr`, return a list
modified in a manner similar to the `cfmakeraw()` C library function, but
additionally disabling local echo."""
additionally disabling local echo.
"""
# BSD: github.com/freebsd/freebsd/blob/master/lib/libc/gen/termios.c#L162
# Linux: github.com/lattera/glibc/blob/master/termios/cfmakeraw.c#L20
iflag, oflag, cflag, lflag, ispeed, ospeed, cc = tflags
@ -231,7 +233,7 @@ def cfmakeraw(tflags):
'ISTRIP INLCR ICRNL IXON IGNPAR')
iflag &= ~flags('IGNBRK BRKINT PARMRK')
oflag &= ~flags('OPOST')
lflag &= ~flags('ECHO ECHOE ECHOK ECHONL ICANON ISIG'
lflag &= ~flags('ECHO ECHOE ECHOK ECHONL ICANON ISIG '
'IEXTEN NOFLSH TOSTOP PENDIN')
cflag &= ~flags('CSIZE PARENB')
cflag |= flags('CS8 CREAD')
@ -251,12 +253,11 @@ def disable_echo(fd):
def create_socketpair(size=None):
"""
Create a :func:`socket.socketpair` to use for use as a child process's UNIX
stdio channels. As socket pairs are bidirectional, they are economical on
file descriptor usage as the same descriptor can be used for ``stdin`` and
Create a :func:`socket.socketpair` for use as a child's UNIX stdio
channels. As socketpairs are bidirectional, they are economical on file
descriptor usage as one descriptor can be used for ``stdin`` and
``stdout``. As they are sockets their buffers are tunable, allowing large
buffers to be configured in order to improve throughput for file transfers
and reduce :class:`mitogen.core.Broker` IO loop iterations.
buffers to improve file transfer throughput and reduce IO loop iterations.
"""
parentfp, childfp = socket.socketpair()
parentfp.setsockopt(socket.SOL_SOCKET,
@ -599,8 +600,8 @@ class TimerList(object):
"""
Efficiently manage a list of cancellable future events relative to wall
clock time. An instance of this class is installed as
:attr:`mitogen.master.Broker.timers` by default, and installed as
:attr:`mitogen.core.Broker.timers` in a child context after a call to
:attr:`mitogen.master.Broker.timers` by default, and as
:attr:`mitogen.core.Broker.timers` in children after a call to
:func:`mitogen.parent.upgrade_router`.
You can use :class:`TimerList` to cause the broker to wake at arbitrary