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chore: Delete copy ctor/assign for GIL RAIIs #4183

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Merged
Skylion007 merged 3 commits into from
Sep 19, 2022
Merged

chore: Delete copy ctor/assign for GIL RAIIs #4183

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249d307
chore: Delete copy ctor/assign for GIL RAIIs
Skylion007 Sep 16, 2022
c79d8ae
Fix typo
Skylion007 Sep 16, 2022
ed8d670
Delete copy ops for local gil scoped acquire
Skylion007 Sep 19, 2022
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10 changes: 10 additions & 0 deletions include/pybind11/gil.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,9 @@ class gil_scoped_acquire {
inc_ref();
}

gil_scoped_acquire(const gil_scoped_acquire &) = delete;
gil_scoped_acquire &operator=(const gil_scoped_acquire &) = delete;

void inc_ref() { ++tstate->gilstate_counter; }

PYBIND11_NOINLINE void dec_ref() {
Expand Down Expand Up @@ -144,6 +147,9 @@ class gil_scoped_release {
}
}

gil_scoped_release(const gil_scoped_acquire &) = delete;
gil_scoped_release &operator=(const gil_scoped_acquire &) = delete;

/// This method will disable the PyThreadState_DeleteCurrent call and the
/// GIL won't be acquired. This method should be used if the interpreter
/// could be shutting down when this is called, as thread deletion is not
Expand Down Expand Up @@ -178,6 +184,8 @@ class gil_scoped_acquire {

public:
gil_scoped_acquire() { state = PyGILState_Ensure(); }
gil_scoped_acquire(const gil_scoped_acquire &) = delete;
gil_scoped_acquire &operator=(const gil_scoped_acquire &) = delete;
~gil_scoped_acquire() { PyGILState_Release(state); }
void disarm() {}
};
Expand All @@ -187,6 +195,8 @@ class gil_scoped_release {

public:
gil_scoped_release() { state = PyEval_SaveThread(); }
gil_scoped_release(const gil_scoped_release &) = delete;
gil_scoped_release &operator=(const gil_scoped_acquire &) = delete;
~gil_scoped_release() { PyEval_RestoreThread(state); }
void disarm() {}
};
Expand Down