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bpo-40280: Address more test failures on Emscripten (GH-31050) #31050

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Merged
tiran merged 9 commits into from
Feb 5, 2022
Merged

bpo-40280: Address more test failures on Emscripten (GH-31050) #31050

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165a464
bpo-40280: Omit wait, getrusage, and prlimit on Emscripten
tiran Jan 28, 2022
d9df265
bpo-40280: Address more test failures on Emscripten
tiran Jan 31, 2022
fcbc97a
disable large file support
tiran Feb 1, 2022
0f8a37c
Disable signal.alarm
tiran Feb 1, 2022
ece8f4c
Revert feature check for mknod
tiran Feb 1, 2022
dd5be39
Add missing quotes
tiran Feb 1, 2022
8e39ccd
List limitation and known issues
tiran Feb 1, 2022
d924247
Apply Brett's suggestions
tiran Feb 5, 2022
5f29e63
Add links to bugs
tiran Feb 5, 2022
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Add links to bugs
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@tiran
tiran committed Feb 5, 2022
commit 5f29e63f6a29cc0d279766f4039fe374c5ff6f69
17 changes: 12 additions & 5 deletions Tools/wasm/README.md
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Expand Up @@ -101,16 +101,23 @@ node --experimental-wasm-threads --experimental-wasm-bulk-memory builddir/emscri
``os.setgroups``, ``os.chown``, and so on.
- Offset and iovec I/O functions (e.g. ``os.pread``, ``os.preadv``) are not
available.
- ``os.mknod`` and ``os.mkfifo`` don't work and are disabled.
- ``os.mknod`` and ``os.mkfifo``
[don't work](https://github.com/emscripten-core/emscripten/issues/16158)
and are disabled.
- Large file support crashes the runtime and is disabled.
- ``mmap`` module is unstable. flush (``msync``) can crash the runtime.
- Resource-related functions like ``os.nice`` and most functions of the
``resource`` module are not available.
- Some time and datetime features are broken. ``strftime`` and ``strptime``
have known bugs. Extended glibc formatting features are not available.
- ``locales`` module is affected by musl libc issues.
- ``uuid`` module is affected by memory leak and crasher in
Emscripten's ``freeaddrinfo``.
have known bugs, e.g.
[%% quoting](https://github.com/emscripten-core/emscripten/issues/16155),
[%U off-by-one](https://github.com/emscripten-core/emscripten/issues/16156).
Extended glibc formatting features are not available.
- ``locales`` module is affected by musl libc issues,
[bpo-46390](https://bugs.python.org/issue46390).
- ``uuid`` module is affected by
[memory leak](https://github.com/emscripten-core/emscripten/issues/16081)
and crasher in Emscripten's ``freeaddrinfo``,
- Recursive ``glob`` leaks file descriptors.
- Python's object allocator ``obmalloc`` is disabled by default.
- ``ensurepip`` is not available.
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