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-rw-r--r--Misc/NEWS.d/next/Core and Builtins/2018-05-28-12-28-53.bpo-30654.9fDJye.rst2
-rw-r--r--Modules/signalmodule.c14
2 files changed, 4 insertions, 12 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-05-28-12-28-53.bpo-30654.9fDJye.rst b/Misc/NEWS.d/next/Core and Builtins/2018-05-28-12-28-53.bpo-30654.9fDJye.rst
new file mode 100644
index 0000000..01c27daa
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2018-05-28-12-28-53.bpo-30654.9fDJye.rst
@@ -0,0 +1,2 @@
+Fixed reset of the SIGINT handler to SIG_DFL on interpreter shutdown even
+when there was a custom handler set previously. Patch by Philipp Kerling.
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 818df7d..9de5c2e 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -126,13 +126,6 @@ static PyObject *DefaultHandler;
static PyObject *IgnoreHandler;
static PyObject *IntHandler;
-/* On Solaris 8, gcc will produce a warning that the function
- declaration is not a prototype. This is caused by the definition of
- SIG_DFL as (void (*)())0; the correct declaration would have been
- (void (*)(int))0. */
-
-static PyOS_sighandler_t old_siginthandler = SIG_DFL;
-
#ifdef MS_WINDOWS
static HANDLE sigint_event = NULL;
#endif
@@ -1336,7 +1329,7 @@ PyInit__signal(void)
/* Install default int handler */
Py_INCREF(IntHandler);
Py_SETREF(Handlers[SIGINT].func, IntHandler);
- old_siginthandler = PyOS_setsig(SIGINT, signal_handler);
+ PyOS_setsig(SIGINT, signal_handler);
}
#ifdef SIGHUP
@@ -1542,14 +1535,11 @@ finisignal(void)
int i;
PyObject *func;
- PyOS_setsig(SIGINT, old_siginthandler);
- old_siginthandler = SIG_DFL;
-
for (i = 1; i < NSIG; i++) {
func = Handlers[i].func;
_Py_atomic_store_relaxed(&Handlers[i].tripped, 0);
Handlers[i].func = NULL;
- if (i != SIGINT && func != NULL && func != Py_None &&
+ if (func != NULL && func != Py_None &&
func != DefaultHandler && func != IgnoreHandler)
PyOS_setsig(i, SIG_DFL);
Py_XDECREF(func);