Interrupt and signal handling for Cython
Cython and interrupts
When writing Cython code, special care must be taken to ensure that the code can be interrupted with CTRL-C. Since Cython optimizes for speed, Cython normally does not check for interrupts. For example, code like the following cannot be interrupted in Cython:
while True: pass
The cysignals package provides mechanisms to handle interrupts (and other signals and errors) in Cython code.
- Python 2.7 or Python >= 3.4
- Cython >= 0.28
- Sphinx >= 1.6 (for building the documentation)
- PARI/GP (optional; for interfacing with the PARI/GP signal handler)
- Improved installation of cysignals with pip install -e. [#130]
- Fixed compilation of OpenMP modules that also use cysignals. [#128]
- Fixed segmentation fault that could occur when sig_occurred() is called recursively during garbage collection. [#127]
- Improved error reporting of signals that occurred inside sig_on() as opposed to outside them.
- Fixed bug in the cysignals_example package. [#113]
For changes in previous releases, see the best source available is to compare git tags: https://github.com/sagemath/cysignals/tags
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