src/OS/os.h-Linux

   1 /* $Cambridge: exim/src/OS/os.h-Linux,v 1.5 2006/12/20 19:54:23 tom Exp $ */
   2
   3 /* Exim: OS-specific C header file for Linux */
   4
   5 #define CRYPT_H
   6 #define GLIBC_IP_OPTIONS
   7 #define HAVE_MMAP
   8 #define HAVE_BSD_GETLOADAVG
   9 #define HAVE_SYS_STATVFS_H
  10 #define NO_IP_VAR_H
  11 #define SIG_IGN_WORKS
  12
  13 /* When using the experimental Domainkeys/DKIM extensions, setting
  14 HAVE_LINUX_SENDFILE can increase performance on outgoing mail a bit.
  15 Note: With older glibc versions this setting will conflict with the
  16 _FILE_OFFSET_BITS=64 setting defined as part of the Linux CFLAGS. */
  17
  18 /* #define HAVE_LINUX_SENDFILE */
  19
  20 #define F_FREESP     O_TRUNC
  21 typedef struct flock flock_t;
  22
  23 #define os_strsignal strsignal
  24 #define OS_STRSIGNAL
  25
  26 #if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD_kernel__)
  27 #define SIOCGIFCONF_GIVES_ADDR
  28 #define HAVE_SYS_MOUNT_H
  29 #endif
  30
  31 #if defined(__linux__)
  32
  33 /* Some versions of Linux need explicit sync-ing of directories as well as
  34 files. This setting requests that. If the directory is on NFS, it may not
  35 be possible to sync it - in that case, Exim now should ignore the error. But
  36 if you have problems in that area, try undefining this. But be aware that you
  37 may be in a situation where files are not being properly "committed to stable
  38 storage" as quickly as Exim thinks they are. */
  39
  40 #define NEED_SYNC_DIRECTORY
  41
  42 /* Other OS have "const" in here */
  43 #define ICONV_ARG2_TYPE char **
  44
  45 #define os_find_running_interfaces os_find_running_interfaces_linux
  46
  47 /* Need a prototype for the Linux-specific function. The structure hasn't
  48 been defined yet, so we need to pre-declare it. */
  49
  50 struct ip_address_item;
  51 extern struct ip_address_item *os_find_running_interfaces_linux(void);
  52
  53 #endif /* __linux__ */
  54
  55 /* End */