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Issue #11393: Add the new faulthandler module

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This commit is contained in:
Victor Stinner 2011-03-31 01:31:06 +02:00
parent d85456279f
commit 024e37adcc
19 changed files with 1907 additions and 5 deletions
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21
Python/pythonrun.c
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@ -70,6 +70,8 @@ extern void _PyUnicode_Init(void);
extern void _PyUnicode_Fini(void);
extern int _PyLong_Init(void);
extern void PyLong_Fini(void);
extern int _PyFaulthandler_Init(void);
extern void _PyFaulthandler_Fini(void);
#ifdef WITH_THREAD
extern void _PyGILState_Init(PyInterpreterState *, PyThreadState *);
@ -286,6 +288,10 @@ Py_InitializeEx(int install_sigs)
_PyImportHooks_Init();
/* initialize the faulthandler module */
if (_PyFaulthandler_Init())
Py_FatalError("Py_Initialize: can't initialize faulthandler");
/* Initialize _warnings. */
_PyWarnings_Init();
@ -454,6 +460,9 @@ Py_Finalize(void)
/* Destroy the database used by _PyImport_{Fixup,Find}Extension */
_PyImport_Fini();
/* unload faulthandler module */
_PyFaulthandler_Fini();
/* Debugging stuff */
#ifdef COUNT_ALLOCS
dump_counts(stdout);
@ -2100,11 +2109,23 @@ cleanup:
void
Py_FatalError(const char *msg)
{
const int fd = fileno(stderr);
PyThreadState *tstate;
fprintf(stderr, "Fatal Python error: %s\n", msg);
fflush(stderr); /* it helps in Windows debug build */
if (PyErr_Occurred()) {
PyErr_PrintEx(0);
}
else {
tstate = _Py_atomic_load_relaxed(&_PyThreadState_Current);
if (tstate != NULL) {
fputc('\n', stderr);
fflush(stderr);
_Py_DumpTraceback(fd, tstate);
}
}
#ifdef MS_WINDOWS
{
size_t len = strlen(msg);