Close #17931: Fix PyLong_FromPid() on Windows 64-bit: processes are identified
by their HANDLE which is a pointer (and not a long, which is smaller).
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index c5f16e5..8c4c7f3 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -723,6 +723,9 @@
/* The size of `wchar_t', as computed by sizeof. */
#define SIZEOF_WCHAR_T 2
+/* The size of `pid_t' (HANDLE). */
+#define SIZEOF_PID_T SIZEOF_VOID_P
+
/* Define if you have the dl library (-ldl). */
/* #undef HAVE_LIBDL */