X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/9f1a75f126ae217a3a3568b106c9133b3c5c413a..63874787bdc51535a040baa38be3ff07c97f0bdc:/src/src/macros.h

diff --git a/src/src/macros.h b/src/src/macros.h
index adbe6a267..3b0293b97 100644
--- a/src/src/macros.h
+++ b/src/src/macros.h
@@ -5,6 +5,7 @@
 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 /* These two macros make it possible to obtain the result of macro-expanding
@@ -1112,9 +1113,9 @@ should not be one active. */
 
 #define NOTIFIER_SOCKET_NAME	"exim_daemon_notify"
 /* Notify message types */
-#define NOTIFY_MSG_QRUN		1
-#define NOTIFY_QUEUE_SIZE_REQ	2
-#define NOTIFY_REGEX		3
+#define NOTIFY_MSG_QRUN		1	/* 2stage qrun fast-ramp trigger */
+#define NOTIFY_QUEUE_SIZE_REQ	2	/* obtain current queue count */
+#define NOTIFY_REGEX		3	/* an RE for caching */
 
 /* Flags for match_check_string() */
 typedef unsigned mcs_flags;
@@ -1124,4 +1125,19 @@ typedef unsigned mcs_flags;
 #define MCS_AT_SPECIAL		BIT(2)	/* recognize @, @[], etc. */
 #define MCS_CACHEABLE		BIT(3)	/* no dynamic expansions used for pattern */
 
+/* Flags for open() */
+#ifdef O_CLOEXEC
+# define EXIM_CLOEXEC O_CLOEXEC
+#else
+# define EXIM_CLOEXEC 0
+#endif
+#ifdef O_NOFOLLOW
+# define EXIM_NOFOLLOW O_NOFOLLOW
+#else
+# define EXIM_NOFOLLOW 0
+#endif
+
+/* A big number for (effectively) unlimited envelope addresses */
+#define UNLIMITED_ADDRS		999999
+
 /* End of macros.h */