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-rw-r--r--src/compat.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/compat.h b/src/compat.h
index 7a5438a11e..f88b6ce36e 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -92,4 +92,12 @@ typedef u_int SOCKET;
size_t strnlen( const char *start, size_t max_len);
#endif // HAVE_DECL_STRNLEN
+bool static inline IsSelectableSocket(SOCKET s) {
+#ifdef WIN32
+ return true;
+#else
+ return (s >= 0 && s < FD_SETSIZE);
+#endif
+}
+
#endif // BITCOIN_COMPAT_H