diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 7471844..afb6d18 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -34,6 +34,7 @@
 
 #include "pycore_ceval.h"         // _PyEval_ReInitThreads()
 #include "pycore_import.h"        // _PyImport_ReInitLock()
+#include "pycore_initconfig.h"    // _PyStatus_EXCEPTION()
 #include "pycore_pystate.h"       // _PyInterpreterState_GET()
 #include "structmember.h"         // PyMemberDef
 #ifndef MS_WINDOWS
@@ -461,15 +462,41 @@
 void
 PyOS_AfterFork_Child(void)
 {
+    PyStatus status;
     _PyRuntimeState *runtime = &_PyRuntime;
-    _PyGILState_Reinit(runtime);
-    _PyEval_ReInitThreads(runtime);
-    _PyImport_ReInitLock();
+
+    status = _PyGILState_Reinit(runtime);
+    if (_PyStatus_EXCEPTION(status)) {
+        goto fatal_error;
+    }
+
+    status = _PyEval_ReInitThreads(runtime);
+    if (_PyStatus_EXCEPTION(status)) {
+        goto fatal_error;
+    }
+
+    status = _PyImport_ReInitLock();
+    if (_PyStatus_EXCEPTION(status)) {
+        goto fatal_error;
+    }
+
     _PySignal_AfterFork();
-    _PyRuntimeState_ReInitThreads(runtime);
-    _PyInterpreterState_DeleteExceptMain(runtime);
+
+    status = _PyRuntimeState_ReInitThreads(runtime);
+    if (_PyStatus_EXCEPTION(status)) {
+        goto fatal_error;
+    }
+
+    status = _PyInterpreterState_DeleteExceptMain(runtime);
+    if (_PyStatus_EXCEPTION(status)) {
+        goto fatal_error;
+    }
 
     run_at_forkers(_PyInterpreterState_GET()->after_forkers_child, 0);
+    return;
+
+fatal_error:
+    Py_ExitStatusException(status);
 }
 
 static int
diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c
index 6d340a6..24dbd42 100644
--- a/Modules/signalmodule.c
+++ b/Modules/signalmodule.c
@@ -1796,14 +1796,17 @@
     return 1;
 }
 
+
+#ifdef HAVE_FORK
 static void
 _clear_pending_signals(void)
 {
-    int i;
-    if (!_Py_atomic_load(&is_tripped))
+    if (!_Py_atomic_load(&is_tripped)) {
         return;
+    }
+
     _Py_atomic_store(&is_tripped, 0);
-    for (i = 1; i < NSIG; ++i) {
+    for (int i = 1; i < NSIG; ++i) {
         _Py_atomic_store_relaxed(&Handlers[i].tripped, 0);
     }
 }
@@ -1816,6 +1819,8 @@
      * the interpreter had an opportunity to call the handlers.  issue9535. */
     _clear_pending_signals();
 }
+#endif   /* HAVE_FORK */
+
 
 int
 _PyOS_IsMainThread(void)