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

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 510865c66044c8eaa57db396e5486af9c88e6b8a..dcd9ec02d283d491485fcfba4ecc60b7859e6999 100644 (file)
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,10 +1,16 @@
 /* Exim: OS-specific C header file for Linux */
 /* Exim: OS-specific C header file for Linux */

+/* Copyright (c) The Exim Maintainers 2021 - 2024 */
+/* Copyright (c) University of Cambridge 1995 - 2020 */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* See the file NOTICE for conditions of use and distribution. */
+

 
 /* Some old systems we've received bug-reports for have a <limits.h> which
 does not pull in <features.h>.  Best to just pull it in now and have done
 with the issue. */
 
 #include <features.h>
 
 /* Some old systems we've received bug-reports for have a <limits.h> which
 does not pull in <features.h>.  Best to just pull it in now and have done
 with the issue. */
 
 #include <features.h>

+#include <sys/types.h>

 
 
 #define CRYPT_H
 
 
 #define CRYPT_H


@@ -12,15 +18,18 @@ with the issue. */
 #define HAVE_MMAP
 #define HAVE_BSD_GETLOADAVG
 #define HAVE_SYS_STATVFS_H
 #define HAVE_MMAP
 #define HAVE_BSD_GETLOADAVG
 #define HAVE_SYS_STATVFS_H

+#define HAVE_GETIFADDRS

 #define NO_IP_VAR_H
 #define SIG_IGN_WORKS
 
 #define NO_IP_VAR_H
 #define SIG_IGN_WORKS
 

-/* When using the DKIM, setting HAVE_LINUX_SENDFILE can increase
+/* When using DKIM, setting OS_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
 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. */
+defined as part of the Linux CFLAGS.  As of 2017 those are declared
+to be too old to build by default. */

 
 

-/* #define HAVE_LINUX_SENDFILE */
+#define OS_SENDFILE
+extern ssize_t os_sendfile(int, int, off_t *, size_t);

 
 #define F_FREESP     O_TRUNC
 typedef struct flock flock_t;
 
 #define F_FREESP     O_TRUNC
 typedef struct flock flock_t;


@@ -29,8 +38,8 @@ typedef struct flock flock_t;
 #define OS_STRSIGNAL
 
 #if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD_kernel__)
 #define OS_STRSIGNAL
 
 #if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD_kernel__)

-#define SIOCGIFCONF_GIVES_ADDR
-#define HAVE_SYS_MOUNT_H
+# define SIOCGIFCONF_GIVES_ADDR
+# define HAVE_SYS_MOUNT_H

 #endif
 
 #if defined(__linux__)
 #endif
 
 #if defined(__linux__)


@@ -65,13 +74,34 @@ then change the 0 to 1 in the next block. */
 # define LLONG_MAX LONG_LONG_MAX
 #endif
 
 # define LLONG_MAX LONG_LONG_MAX
 #endif
 

-#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOUCE
+#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOURCE

 # define EXIM_HAVE_OPENAT
 # define EXIM_HAVE_OPENAT

+# define EXIM_HAVE_FUTIMENS

 #endif
 
 #endif
 

+/* TCP Fast Open support */
+
+#include <netinet/tcp.h>       /* for TCP_FASTOPEN */
+#include <sys/socket.h>                /* for MSG_FASTOPEN */

 #if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
 # define MSG_FASTOPEN 0x20000000
 #endif
 #if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN)
 # define MSG_FASTOPEN 0x20000000
 #endif

+#define EXIM_HAVE_TCPI_UNACKED
+#ifndef TCPI_OPT_SYN_DATA
+# define TCPI_OPT_SYN_DATA 32
+#endif
+
+/* "Abstract" Unix-socket names */
+#define EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+
+/* inotify(7) etc syscalls */
+#define EXIM_HAVE_INOTIFY
+
+/* Needed for uClibc */
+#ifndef NS_MAXMSG
+# define NS_MAXMSG 65535
+#endif

 
 

+#define EXIM_HAVE_STRCHRNUL

 
 /* End */
 
 /* End */