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98b15ab980
M setup.py Implements an interrupt extension module which allows a subthread to raise an interrupt in the main thread.
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/***********************************************************************
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* interruptmodule.c
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*
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* Python extension implementing the interrupt module.
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*
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**********************************************************************/
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#include "Python.h"
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#ifndef PyDoc_STR
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#define PyDoc_VAR(name) static char name[]
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#define PyDoc_STR(str) str
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#define PyDoc_STRVAR(name,str) PyDoc_VAR(name) = PyDoc_STR(str)
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#endif
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/* module documentation */
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PyDoc_STRVAR(module_doc,
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"Provide a way to interrupt the main thread from a subthread.\n\n\
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In threaded Python code the KeyboardInterrupt is always directed to\n\
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the thread which raised it. This extension provides a method,\n\
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interrupt_main, which a subthread can use to raise a KeyboardInterrupt\n\
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in the main thread.");
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/* module functions */
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static PyObject *
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setinterrupt(PyObject * self, PyObject * args)
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{
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PyErr_SetInterrupt();
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Py_INCREF(Py_None);
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return Py_None;
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}
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/* registration table */
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static struct PyMethodDef methods[] = {
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{"interrupt_main", setinterrupt, METH_VARARGS,
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PyDoc_STR("Interrupt the main thread")},
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{NULL, NULL}
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};
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/* module initialization */
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void
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initinterrupt(void)
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{
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(void) Py_InitModule3("interrupt", methods, module_doc);
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}
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