GH-108614: Unbreak emscripten build (GH-109132)

Author: markshannon

Include/internal/pycore_emscripten_signal.h

@@ -18,6 +18,7 @@ _Py_CheckEmscriptenSignalsPeriodically(void);
 #define _Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY() _Py_CheckEmscriptenSignalsPeriodically()
 
 extern int Py_EMSCRIPTEN_SIGNAL_HANDLING;
+extern int _Py_emscripten_signal_clock;
 
 #else
 

Python/bytecodes.c

@@ -154,8 +154,8 @@ dummy_func(
 
         inst(RESUME_CHECK, (--)) {
 #if defined(__EMSCRIPTEN__)
-            DEOPT_IF(emscripten_signal_clock == 0, RESUME);
-            emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING;
+            DEOPT_IF(_Py_emscripten_signal_clock == 0, RESUME);
+            _Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING;
 #endif
             /* Possibly combine these two checks */
             DEOPT_IF(_PyFrame_GetCode(frame)->_co_instrumentation_version

Python/emscripten_signal.c

@@ -39,16 +39,16 @@ _Py_CheckEmscriptenSignals(void)
 }
 
 #define PY_EMSCRIPTEN_SIGNAL_INTERVAL 50
-static int emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
+int _Py_emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
 
 void
 _Py_CheckEmscriptenSignalsPeriodically(void)
 {
-    if (emscripten_signal_clock == 0) {
-        emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
+    if (_Py_emscripten_signal_clock == 0) {
+        _Py_emscripten_signal_clock = PY_EMSCRIPTEN_SIGNAL_INTERVAL;
         _Py_CheckEmscriptenSignals();
     }
     else if (Py_EMSCRIPTEN_SIGNAL_HANDLING) {
-        emscripten_signal_clock--;
+        _Py_emscripten_signal_clock--;
     }
 }