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Slightly rewording comment. (There were also other failures.)

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Ralf W. Grosse-Kunstleve 2022-05-13 00:17:22 -07:00
parent 2ad22854dc
commit e3ebb0dbca
1 changed files with 3 additions and 2 deletions
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include/pybind11/pybind11.h
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@ -2612,12 +2612,13 @@ void print(Args &&...args) {
error_already_set::~error_already_set() {
// Not using py::gil_scoped_acquire here since that calls get_internals,
// which triggers tensorflow failures (a full explanation is currently unknown).
// which is known to trigger failures in the wild (a full explanation is
// currently unknown).
// gil_scoped_acquire_local here is a straight copy from get_internals code.
// I.e. py::gil_scoped_acquire acquires the GIL in detail/internals.h exactly
// like we do here now, releases it, then acquires it again in gil.h.
// Using gil_scoped_acquire_local cuts out the get_internals overhead and
// fixes the tensorflow failures.
// fixes the failures observed in the wild. See PR #1895 for more background.
struct gil_scoped_acquire_local {
gil_scoped_acquire_local() : state(PyGILState_Ensure()) {}
~gil_scoped_acquire_local() { PyGILState_Release(state); }