Bugzilla #890

[exim.git] / src / OS / os.h-Linux

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 285e8d28f84ef2d341f2bfce993a66ca09ee243d..c9f417be5fc87174ada8501ac59bba94167acf01 100644 (file)
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,4 +1,4 @@
-/* $Cambridge: exim/src/OS/os.h-Linux,v 1.3 2005/02/17 10:04:41 ph10 Exp $ */
+/* $Cambridge: exim/src/OS/os.h-Linux,v 1.8 2009/06/10 07:34:04 tom Exp $ */
 
 /* Exim: OS-specific C header file for Linux */
 
@@ -10,6 +10,13 @@
 #define NO_IP_VAR_H
 #define SIG_IGN_WORKS
 
+/* When using the DKIM, setting HAVE_LINUX_SENDFILE can increase
+performance on outgoing mail a bit. Note: With older glibc versions
+this setting will conflict with the _FILE_OFFSET_BITS=64 setting
+defined as part of the Linux CFLAGS. */
+
+/* #define HAVE_LINUX_SENDFILE */
+
 #define F_FREESP     O_TRUNC
 typedef struct flock flock_t;