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-rw-r--r--Modules/faulthandler.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/Modules/faulthandler.c b/Modules/faulthandler.c
index 5ec94f0..abff79e 100644
--- a/Modules/faulthandler.c
+++ b/Modules/faulthandler.c
@@ -10,9 +10,9 @@
#endif
#ifndef MS_WINDOWS
- /* register() is useless on Windows, because only SIGSEGV and SIGILL can be
- handled by the process, and these signals can only be used with enable(),
- not using register() */
+ /* register() is useless on Windows, because only SIGSEGV, SIGABRT and
+ SIGILL can be handled by the process, and these signals can only be used
+ with enable(), not using register() */
# define FAULTHANDLER_USER
#endif
@@ -96,6 +96,7 @@ static fault_handler_t faulthandler_handlers[] = {
{SIGILL, 0, "Illegal instruction", },
#endif
{SIGFPE, 0, "Floating point exception", },
+ {SIGABRT, 0, "Aborted", },
/* define SIGSEGV at the end to make it the default choice if searching the
handler fails in faulthandler_fatal_error() */
{SIGSEGV, 0, "Segmentation fault", }
@@ -202,7 +203,7 @@ faulthandler_dump_traceback_py(PyObject *self,
}
-/* Handler of SIGSEGV, SIGFPE, SIGBUS and SIGILL signals.
+/* Handler of SIGSEGV, SIGFPE, SIGABRT, SIGBUS and SIGILL signals.
Display the current Python traceback, restore the previous handler and call
the previous handler.
@@ -253,9 +254,9 @@ faulthandler_fatal_error(
PUTS(fd, handler->name);
PUTS(fd, "\n\n");
- /* SIGSEGV, SIGFPE, SIGBUS and SIGILL are synchronous signals and so are
- delivered to the thread that caused the fault. Get the Python thread
- state of the current thread.
+ /* SIGSEGV, SIGFPE, SIGABRT, SIGBUS and SIGILL are synchronous signals and
+ so are delivered to the thread that caused the fault. Get the Python
+ thread state of the current thread.
PyThreadState_Get() doesn't give the state of the thread that caused the
fault if the thread released the GIL, and so this function cannot be
@@ -282,7 +283,7 @@ faulthandler_fatal_error(
raise(signum);
}
-/* Install handler for fatal signals (SIGSEGV, SIGFPE, ...). */
+/* Install the handler for fatal signals, faulthandler_fatal_error(). */
static PyObject*
faulthandler_enable(PyObject *self, PyObject *args, PyObject *kwargs)
@@ -714,6 +715,20 @@ faulthandler_sigfpe(PyObject *self, PyObject *args)
Py_RETURN_NONE;
}
+static PyObject *
+faulthandler_sigabrt(PyObject *self, PyObject *args)
+{
+#if _MSC_VER
+ /* If Python is compiled in debug mode with Visual Studio, abort() opens
+ a popup asking the user how to handle the assertion. Use raise(SIGABRT)
+ instead. */
+ raise(SIGABRT);
+#else
+ abort();
+#endif
+ Py_RETURN_NONE;
+}
+
#ifdef SIGBUS
static PyObject *
faulthandler_sigbus(PyObject *self, PyObject *args)
@@ -847,6 +862,8 @@ static PyMethodDef module_methods[] = {
"a SIGSEGV or SIGBUS signal depending on the platform")},
{"_sigsegv", faulthandler_sigsegv, METH_VARARGS,
PyDoc_STR("_sigsegv(): raise a SIGSEGV signal")},
+ {"_sigabrt", faulthandler_sigabrt, METH_VARARGS,
+ PyDoc_STR("_sigabrt(): raise a SIGABRT signal")},
{"_sigfpe", (PyCFunction)faulthandler_sigfpe, METH_NOARGS,
PyDoc_STR("_sigfpe(): raise a SIGFPE signal")},
#ifdef SIGBUS