os: add support for windows - #709
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--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq's series on openpilot's current pin (windows-tidy-pin). The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
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--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq's series on openpilot's current pin (windows-tidy-pin). The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
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--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq's series on openpilot's current pin (windows-tidy-pin). The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
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Queues and fake-event state are named sections (no /dev/shm; a queue file that is only mapped cannot be swept). Readers wait on a per-thread event that publishers signal by thread id, in place of SIGUSR2, through the one deadline loop msgq_poll now uses everywhere; fake events are named events instead of FIFOs. visionipc duplicates section handles into the peer over AF_UNIX stream sockets, the Windows form of SCM_RIGHTS; sockets close via ipc_close(), and setenv/unsetenv are shimmed. Tests close their queues and time with perf_counter; msgq_shm_dir() replaces the /dev/shm vs /tmp ladders. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
Python imports extension modules as .pyd on Windows. The cython tool renames the .so targets the SConscripts declare, so neither they nor a SConstruct that loads the tool has to know. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
SCons takes the mingw tool with clang (the default picks MSVC), links libc++ statically so the binaries run outside the shell, and winsock for visionipc's sockets; setup.py copies the .pyd. setup.sh pins uv to a native CPython, MSYS2's own python being first on PATH; test.sh addresses the venv directory, not bin/python, so Scripts/ works too. CI gains a windows-latest entry in the CLANG64 shell, with five minutes for ./test.sh on the 4-core runner. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
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--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq at its tip. The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
AmyJeanes
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Sep 9, 2026
--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq at its tip. The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
AmyJeanes
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Sep 9, 2026
--- TODO REMOVE AFTER THE SUBMODULE PRS MERGE (commaai/msgq#709, commaai/panda#2427, commaai/rednose#61, commaai/opendbc#3724) --- Until the four submodule PRs merge, the pointers move to the windows-tidy branches on my fork and .gitmodules fetches them from there: panda and opendbc just below their own TEMP index commits (their uv sources would leak into this lockfile), rednose at its TEMP commit (its source supplies comma-deps-eigen for Windows), msgq at its tip. The lock follows the submodules' metadata. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016AgqYZYWLpwE2T5vS3nVEt
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Native Windows support for openpilot's development build (MSYS2 CLANG64, clang/libc++). Linux and macOS are unchanged apart from a few shared wrappers that now choose the queue directory and IPC calls per platform instead of ifdef ladders.
.pyd; the SConstruct uses mingw clang and links libc++ statically; a windows-latest CI entry runs./test.shfrom a CLANG64 shell.Line endings were split out and comma has already merged them.
Part of a six-repo series: commaai/openpilot#38810, commaai/panda#2427, commaai/opendbc#3724, commaai/rednose#61, commaai/dependencies#107. Each merges independently; only openpilot depends on the others.
Generated with Claude, human-reviewed and tested locally and in CI.