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| author | Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> | 2022-01-27 18:33:47 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-01-27 14:03:47 +0100 |
| commit | c7f810b34d91a5c2fbe0a8385562015d2dd961f2 (patch) | |
| tree | 0fcbd6901e212f47e1054a862af4d8ec571ee7c2 /Tools | |
| parent | ecfacc362dd7fef7715dcd94f2e2ca6c622ef115 (diff) | |
| download | cpython3-c7f810b34d91a5c2fbe0a8385562015d2dd961f2.tar.gz | |
bpo-46476: Fix memory leak in code objects generated by deepfreeze (GH-30853)
Add _Py_Deepfreeze_Fini() and _PyStaticCode_Dealloc() functions.
Diffstat (limited to 'Tools')
| -rw-r--r-- | Tools/scripts/deepfreeze.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Tools/scripts/deepfreeze.py b/Tools/scripts/deepfreeze.py index a1ef85ea89..78849390f1 100644 --- a/Tools/scripts/deepfreeze.py +++ b/Tools/scripts/deepfreeze.py @@ -109,6 +109,7 @@ class Printer: self.cache: Dict[tuple[type, object, str], str] = {} self.hits, self.misses = 0, 0 self.patchups: list[str] = [] + self.deallocs: list[str] = [] self.write('#include "Python.h"') self.write('#include "internal/pycore_gc.h"') self.write('#include "internal/pycore_code.h"') @@ -277,6 +278,7 @@ class Printer: self.write(f".co_varnames = {co_varnames},") self.write(f".co_cellvars = {co_cellvars},") self.write(f".co_freevars = {co_freevars},") + self.deallocs.append(f"_PyStaticCode_Dealloc(&{name}, (_Py_CODEUNIT *) {removesuffix(co_code, '.ob_base.ob_base')}.ob_sval);") return f"& {name}.ob_base" def generate_tuple(self, name: str, t: Tuple[object, ...]) -> str: @@ -440,6 +442,9 @@ def generate(args: list[str], output: TextIO) -> None: else: code = compile(fd.read(), f"<frozen {modname}>", "exec") printer.generate_file(modname, code) + with printer.block(f"void\n_Py_Deepfreeze_Fini(void)"): + for p in printer.deallocs: + printer.write(p) if verbose: print(f"Cache hits: {printer.hits}, misses: {printer.misses}") |