Mirror
/
cpython
mirror of https://github.com/python/cpython
4
1
Fork 0
Code Issues Releases Wiki Activity

faulthandler: suppress crash reporter directly in test functions written to 

crash.
This commit is contained in:
Victor Stinner 2014-09-30 13:40:12 +02:00
parent ec39e26881
commit 7a39912dda
1 changed files with 41 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
Modules/faulthandler.c
View File

@ -5,7 +5,13 @@
#include <frameobject.h>
#include <signal.h>
#if defined(HAVE_PTHREAD_SIGMASK) && !defined(HAVE_BROKEN_PTHREAD_SIGMASK)
#include <pthread.h>
# include <pthread.h>
#endif
#ifdef MS_WINDOWS
# include <windows.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
/* Allocate at maximum 100 MB of the stack to raise the stack overflow */
@ -804,6 +810,34 @@ faulthandler_unregister_py(PyObject *self, PyObject *args)
#endif /* FAULTHANDLER_USER */
static void
faulthandler_suppress_crash_report(void)
{
#ifdef MS_WINDOWS
UINT mode;
/* Configure Windows to not display the Windows Error Reporting dialog */
mode = SetErrorMode(SEM_NOGPFAULTERRORBOX);
SetErrorMode(mode | SEM_NOGPFAULTERRORBOX);
#endif
#ifdef HAVE_SYS_RESOURCE_H
struct rlimit rl;
/* Disable creation of core dump */
if (getrlimit(RLIMIT_CORE, &rl) != 0) {
rl.rlim_cur = 0;
setrlimit(RLIMIT_CORE, &rl);
}
#endif
#ifdef _MSC_VER
/* Visual Studio: configure abort() to not display an error message nor
open a popup asking to report the fault. */
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
}
static PyObject *
faulthandler_read_null(PyObject *self, PyObject *args)
{
@ -813,6 +847,7 @@ faulthandler_read_null(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "|i:_read_null", &release_gil))
return NULL;
faulthandler_suppress_crash_report();
x = NULL;
if (release_gil) {
Py_BEGIN_ALLOW_THREADS
@ -827,6 +862,7 @@ faulthandler_read_null(PyObject *self, PyObject *args)
static PyObject *
faulthandler_sigsegv(PyObject *self, PyObject *args)
{
faulthandler_suppress_crash_report();
#if defined(MS_WINDOWS)
/* For SIGSEGV, faulthandler_fatal_error() restores the previous signal
handler and then gives back the execution flow to the program (without
@ -853,6 +889,7 @@ faulthandler_sigfpe(PyObject *self, PyObject *args)
/* Do an integer division by zero: raise a SIGFPE on Intel CPU, but not on
PowerPC. Use volatile to disable compile-time optimizations. */
volatile int x = 1, y = 0, z;
faulthandler_suppress_crash_report();
z = x / y;
/* If the division by zero didn't raise a SIGFPE (e.g. on PowerPC),
raise it manually. */
@ -865,11 +902,7 @@ faulthandler_sigfpe(PyObject *self, PyObject *args)
static PyObject *
faulthandler_sigabrt(PyObject *self, PyObject *args)
{
#ifdef _MSC_VER
/* Visual Studio: configure abort() to not display an error message nor
open a popup asking to report the fault. */
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
faulthandler_suppress_crash_report();
abort();
Py_RETURN_NONE;
}
@ -880,6 +913,7 @@ faulthandler_fatal_error_py(PyObject *self, PyObject *args)
char *message;
if (!PyArg_ParseTuple(args, "y:fatal_error", &message))
return NULL;
faulthandler_suppress_crash_report();
Py_FatalError(message);
Py_RETURN_NONE;
}
@ -905,6 +939,7 @@ faulthandler_stack_overflow(PyObject *self)
size_t depth, size;
char *sp = (char *)&depth, *stop;
faulthandler_suppress_crash_report();
depth = 0;
stop = stack_overflow(sp - STACK_OVERFLOW_MAX_SIZE,
sp + STACK_OVERFLOW_MAX_SIZE,