Klein Hu NonStatic2014
liuyu81
/ c_extension_module.c
Created
August 26, 2012 02:54
call Python callback from a non-python thread in a C extension module (in response to zed's demo, https://gist.github.com/3471699, and this question http://stackoverflow.com/questions/12116390/python-code-calls-c-library)
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| #include "Python.h" // should be before any standard headers | |
| #include <errno.h> | |
| #include <pthread.h> | |
| static void* | |
| non_python_thread(void *python_callback) { | |
| //XXX without PyEval_InitThreads() it produces: | |
| // Fatal Python error: PyEval_SaveThread: NULL tstate | |
| //XXX with PyEval_InitThreads() it deadlocks!! | |
| //XXX without PyGILState_*() (with/without PyEval_InitThreads()) it produces: |