X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/6e2b4ccc44cc0e84337b9b74479c347985edab1c..1d7a353eb367991d8de63c32efa64f8224f3089f:/src/OS/os.h-Linux

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 285e8d28f..eb7036d0f 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,5 +1,3 @@
-/* $Cambridge: exim/src/OS/os.h-Linux,v 1.3 2005/02/17 10:04:41 ph10 Exp $ */
-
 /* Exim: OS-specific C header file for Linux */
 
 #define CRYPT_H
@@ -10,6 +8,13 @@
 #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;