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-rw-r--r--Modules/socketmodule.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 1ec3166..a445581 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -396,7 +396,14 @@ static int taskwindow;
static PyTypeObject sock_type;
/* Can we call select() with this socket without a buffer overrun? */
+#ifdef Py_SOCKET_FD_CAN_BE_GE_FD_SETSIZE
+/* Platform can select file descriptors beyond FD_SETSIZE */
+#define IS_SELECTABLE(s) 1
+#else
+/* POSIX says selecting file descriptors beyond FD_SETSIZE
+ has undefined behaviour. */
#define IS_SELECTABLE(s) ((s)->sock_fd < FD_SETSIZE)
+#endif
static PyObject*
select_error(void)