Comments (2)
Ah-ha! This is what I couldn’t remember what I wanted to try epoll-shim on to fix, thank you! It may need some Python configure.ac
massaging though, I’m not sure.
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Try branch jev/smol-clean-macos
.
Build:
cmake -W Dev -G Ninja ../git/epoll-shim -DCMAKE_INSTALL_PREFIX=/opt/homebrew/Cellar/epoll-shim/git -DCMAKE_BUILD_TYPE=RelWithDebugInfo --fresh -DBUILD_SHARED_LIBS=OFF -DCMAKE_OSX_ARCHITECTURES="arm64e;arm64;x86_64;x86_64h"
ninja install
brew link epoll-shim
ctest for interposer will fail when built statically.
Build Python with shim using pyenv:
env PYTHON_CONFIGURE_OPTS="--enable-shared" CPPFLAGS="-I/opt/homebrew/opt/epoll-shim/include/libepoll-shim" CFLAGS="-I/opt/homebrew/opt/epoll-shim/include/libepoll-shim" CXXFLAGS="-I/opt/homebrew/opt/epoll-shim/include/libepoll-shim" LDFLAGS="-L/opt/homebrew/opt/epoll-shim/lib -lepoll-shim" pyenv install -v 3.11
I don't have a machine with m1n1 set up right now but this stupid test seems to indicate some life:
#!/usr/bin/env python3
import os
import selectors
import time
class Foo:
def __init__(self):
self.efd = os.eventfd(0, flags=os.EFD_CLOEXEC | os.EFD_NONBLOCK)
self.selector = selectors.DefaultSelector()
self.selector.register(self.efd, selectors.EVENT_READ)
def wait_shell(self):
try:
os.eventfd_read(self.efd)
print("os.eventfd_read pass")
except BlockingIOError:
print("os.eventfd_read fail")
pass
def notify_in_shell(self):
os.eventfd_write(self.efd, 1)
foo = Foo()
while True:
foo.wait_shell()
time.sleep(0.1)
foo.notify_in_shell()
Results:
-> % ./epoll-shim-eventfd.py
os.eventfd_read fail
os.eventfd_read pass
os.eventfd_read pass
os.eventfd_read pass
os.eventfd_read pass
More testing needs to be done...
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