cpython/Modules/_testembed.c

53 lines
1.3 KiB
C

#include <Python.h>
#include <stdio.h>
void print_subinterp(void)
{
/* Just output some debug stuff */
PyThreadState *ts = PyThreadState_Get();
printf("interp %p, thread state %p: ", ts->interp, ts);
fflush(stdout);
PyRun_SimpleString(
"import sys;"
"print('id(modules) =', id(sys.modules));"
"sys.stdout.flush()"
);
}
int main(int argc, char *argv[])
{
PyThreadState *mainstate, *substate;
PyGILState_STATE gilstate;
int i, j;
for (i=0; i<3; i++) {
printf("--- Pass %d ---\n", i);
/* HACK: the "./" at front avoids a search along the PATH in
Modules/getpath.c */
Py_SetProgramName(L"./_testembed");
Py_Initialize();
mainstate = PyThreadState_Get();
PyEval_InitThreads();
PyEval_ReleaseThread(mainstate);
gilstate = PyGILState_Ensure();
print_subinterp();
PyThreadState_Swap(NULL);
for (j=0; j<3; j++) {
substate = Py_NewInterpreter();
print_subinterp();
Py_EndInterpreter(substate);
}
PyThreadState_Swap(mainstate);
print_subinterp();
PyGILState_Release(gilstate);
PyEval_RestoreThread(mainstate);
Py_Finalize();
}
return 0;
}