mirror of https://github.com/python/cpython
Add finialization routines; fixed some memory leaks related to this.
Reset the SIGINT handler when the finalization is invoked.
This commit is contained in:
parent
05f7c50bfd
commit
08c166152e
|
@ -104,6 +104,8 @@ static PyObject *DefaultHandler;
|
|||
static PyObject *IgnoreHandler;
|
||||
static PyObject *IntHandler;
|
||||
|
||||
static RETSIGTYPE (*old_siginthandler)() = SIG_DFL;
|
||||
|
||||
|
||||
|
||||
static PyObject *
|
||||
|
@ -286,7 +288,6 @@ initsignal()
|
|||
x = DefaultHandler = PyInt_FromLong((long)SIG_DFL);
|
||||
if (!x || PyDict_SetItemString(d, "SIG_DFL", x) < 0)
|
||||
goto finally;
|
||||
Py_DECREF(x);
|
||||
|
||||
x = IgnoreHandler = PyInt_FromLong((long)SIG_IGN);
|
||||
if (!x || PyDict_SetItemString(d, "SIG_IGN", x) < 0)
|
||||
|
@ -295,10 +296,12 @@ initsignal()
|
|||
x = PyInt_FromLong((long)NSIG);
|
||||
if (!x || PyDict_SetItemString(d, "NSIG", x) < 0)
|
||||
goto finally;
|
||||
Py_DECREF(x);
|
||||
|
||||
x = IntHandler = PyDict_GetItemString(d, "default_int_handler");
|
||||
if (!x)
|
||||
goto finally;
|
||||
Py_INCREF(IntHandler);
|
||||
|
||||
Handlers[0].tripped = 0;
|
||||
for (i = 1; i < NSIG; i++) {
|
||||
|
@ -322,10 +325,10 @@ initsignal()
|
|||
}
|
||||
if (Handlers[SIGINT].func == DefaultHandler) {
|
||||
/* Install default int handler */
|
||||
Py_INCREF(IntHandler);
|
||||
Py_DECREF(Handlers[SIGINT].func);
|
||||
Handlers[SIGINT].func = IntHandler;
|
||||
Py_INCREF(IntHandler);
|
||||
signal(SIGINT, &signal_handler);
|
||||
old_siginthandler = signal(SIGINT, &signal_handler);
|
||||
}
|
||||
|
||||
#ifdef SIGHUP
|
||||
|
@ -503,7 +506,28 @@ initsignal()
|
|||
|
||||
/* Check for errors */
|
||||
finally:
|
||||
Py_FatalError("can't initialize module signal");
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
finisignal()
|
||||
{
|
||||
int i;
|
||||
|
||||
signal(SIGINT, old_siginthandler);
|
||||
|
||||
for (i = 1; i < NSIG; i++) {
|
||||
Handlers[i].tripped = 0;
|
||||
Py_XDECREF(Handlers[i].func);
|
||||
Handlers[i].func = NULL;
|
||||
}
|
||||
|
||||
Py_XDECREF(IntHandler);
|
||||
IntHandler = NULL;
|
||||
Py_XDECREF(DefaultHandler);
|
||||
DefaultHandler = NULL;
|
||||
Py_XDECREF(IgnoreHandler);
|
||||
IgnoreHandler = NULL;
|
||||
}
|
||||
|
||||
|
||||
|
@ -561,6 +585,13 @@ void
|
|||
PyOS_InitInterrupts()
|
||||
{
|
||||
initsignal();
|
||||
_PyImport_FixupExtension("signal", "signal");
|
||||
}
|
||||
|
||||
void
|
||||
PyOS_FiniInterrupts()
|
||||
{
|
||||
finisignal();
|
||||
}
|
||||
|
||||
int
|
||||
|
|
Loading…
Reference in New Issue