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| author | Mark Shannon <mark@hotpy.org> | 2022-10-05 00:34:03 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-05 00:34:03 (GMT) |
| commit | 76449350b3467b85bcb565f9e2bf945bd150a66e (patch) | |
| tree | e4237841cdb9d9984e3249823a8518c79470d73f /Include/cpython | |
| parent | 0ff8fd65838f9f9ed90d7a055d26a2ce9fc0ce85 (diff) | |
| download | cpython-76449350b3467b85bcb565f9e2bf945bd150a66e.zip cpython-76449350b3467b85bcb565f9e2bf945bd150a66e.tar.gz cpython-76449350b3467b85bcb565f9e2bf945bd150a66e.tar.bz2 | |
GH-91079: Decouple C stack overflow checks from Python recursion checks. (GH-96510)
Diffstat (limited to 'Include/cpython')
| -rw-r--r-- | Include/cpython/pystate.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/Include/cpython/pystate.h b/Include/cpython/pystate.h index cc3c3ea..7722a38 100644 --- a/Include/cpython/pystate.h +++ b/Include/cpython/pystate.h @@ -95,8 +95,10 @@ struct _ts { /* Was this thread state statically allocated? */ int _static; - int recursion_remaining; - int recursion_limit; + int py_recursion_remaining; + int py_recursion_limit; + + int c_recursion_remaining; int recursion_headroom; /* Allow 50 more calls to handle any errors. */ /* 'tracing' keeps track of the execution depth when tracing/profiling. @@ -202,6 +204,16 @@ struct _ts { _PyCFrame root_cframe; }; +/* WASI has limited call stack. Python's recursion limit depends on code + layout, optimization, and WASI runtime. Wasmtime can handle about 700 + recursions, sometimes less. 500 is a more conservative limit. */ +#ifndef C_RECURSION_LIMIT +# ifdef __wasi__ +# define C_RECURSION_LIMIT 500 +# else +# define C_RECURSION_LIMIT 800 +# endif +#endif /* other API */ |