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The architectures provided to skipIf / expectedFail are regular
expressions (v. _match_decorator_property() in decorators.py
so on Darwin systems "arm64" would match the skips for "arm" (32-bit
Linux). Update these to "arm$" to prevent this, and also update
three tests (TestBuiltinFormats.py, TestCrossDSOTailCalls.py,
TestCrossObjectTailCalls.py) that were skipped for arm64 via this
behavior, and need to be skipped or they will fail.
This was moviated by the new TestDynamicValue.py test which has
an expected-fail for arm, but the test was passing on arm64 Darwin
resulting in failure for the CIs.
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This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).
If you end up having problems merging this commit because you have made
changes to a python file, the best way to handle that is to run `git
checkout --ours <yourfile>` and then reformat it with black.
RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style
Differential revision: https://reviews.llvm.org/D151460
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Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.
Differential Revision: https://reviews.llvm.org/D128077
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The current dectorator (@skipIfLinux) will skip the test if the lldb
platform is the linux platform, but the issue is with the OS that lldb
is running on, not the OS that lldb is debugging. Update the decorator
to skip the test if the host is Linux.
Thank you Ted Woodward for pointing this out.
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TestIOHandlerPythonREPLSigint.py is running falky on AArch64/Linux
buildbot failing randomly. Skipping it for AArch64/Linux as well.
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TestIOHandlerPythonREPLSigint.py is failing on Arm/Linux buildbot. I am
marking it as skip for now.
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When LLDB receives a SIGINT while running the embedded Python REPL it
currently just crashes in ScriptInterpreterPythonImpl::Interrupt with an
error such as the one below:
Fatal Python error: PyThreadState_Get: the function must be called
with the GIL held, but the GIL is released (the current Python thread
state is NULL)
The faulty code that causes this error is this part of
ScriptInterpreterPythonImpl::Interrupt:
PyThreadState *state = PyThreadState_GET();
if (!state)
state = GetThreadState();
if (state) {
long tid = state->thread_id;
PyThreadState_Swap(state);
int num_threads = PyThreadState_SetAsyncExc(tid, PyExc_KeyboardInterrupt);
The obvious fix I tried is to just acquire the GIL before this code is
running which fixes the crash but the KeyboardInterrupt we want to raise
immediately is actually just queued and would only be raised once the
next line of input has been parsed (which e.g. won't interrupt Python
code that is currently waiting on a timer or IO from what I can see).
Also none of the functions we call here is marked as safe to be called
from a signal handler from what I can see, so we might still end up
crashing here with some bad timing.
Python 3.2 introduced PyErr_SetInterrupt to solve this and the function
takes care of all the details and avoids doing anything that isn't safe
to do inside a signal handler. The only thing we need to do is to
manually setup our own fake SIGINT handler that behaves the same way as
the standalone Python REPL signal handler (which raises a
KeyboardInterrupt).
From what I understand the old code used to work with Python 2 so I kept
the old code around until we officially drop support for Python 2.
There is a small gap here with Python 3.0->3.1 where we might still be
crashing, but those versions have reached their EOL more than a decade
ago so I think we don't need to bother about them.
Differential revision: https://reviews.llvm.org/D104886
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This reverts commit cef1e07cc6d00b5b429d77133201e1f404a8023c.
It broke the windows bot.
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When LLDB receives a SIGINT while running the embedded Python REPL it currently
just crashes in `ScriptInterpreterPythonImpl::Interrupt` with an error such as
the one below:
```
Fatal Python error: PyThreadState_Get: the function must be called with the GIL
held, but the GIL is released (the current Python thread state is NULL)
```
The faulty code that causes this error is this part of `ScriptInterpreterPythonImpl::Interrupt`:
```
PyThreadState *state = PyThreadState_GET();
if (!state)
state = GetThreadState();
if (state) {
long tid = state->thread_id;
PyThreadState_Swap(state);
int num_threads = PyThreadState_SetAsyncExc(tid, PyExc_KeyboardInterrupt);
```
The obvious fix I tried is to just acquire the GIL before this code is running
which fixes the crash but the `KeyboardInterrupt` we want to raise immediately
is actually just queued and would only be raised once the next line of input has
been parsed (which e.g. won't interrupt Python code that is currently waiting on
a timer or IO from what I can see). Also none of the functions we call here is
marked as safe to be called from a signal handler from what I can see, so we
might still end up crashing here with some bad timing.
Python 3.2 introduced `PyErr_SetInterrupt` to solve this and the function takes
care of all the details and avoids doing anything that isn't safe to do inside a
signal handler. The only thing we need to do is to manually setup our own fake
SIGINT handler that behaves the same way as the standalone Python REPL signal
handler (which raises a KeyboardInterrupt).
From what I understand the old code used to work with Python 2 so I kept the old
code around until we officially drop support for Python 2.
There is a small gap here with Python 3.0->3.1 where we might still be crashing,
but those versions have reached their EOL more than a decade ago so I think we
don't need to bother about them.
Reviewed By: JDevlieghere
Differential Revision: https://reviews.llvm.org/D104886
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