src/src/osfunctions.h

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2009 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* Prototypes for os-specific functions. For utilities, we don't need the one
   9 that uses a type that isn't defined for them. */
  10
  11 #ifndef COMPILE_UTILITY
  12 extern ip_address_item *os_common_find_running_interfaces(void);
  13 #endif
  14
  15 /* If these exist as a macro, then they're overridden away from us and we
  16 rely upon the system headers to provide prototype declarations for us.
  17 Notably, strsignal() is not in the Single Unix Specification (v3) and
  18 predicting constness is awkward. */
  19
  20 #ifndef os_getloadavg
  21 extern int           os_getloadavg(void);
  22 #endif
  23 #ifndef os_restarting_signal
  24 extern void          os_restarting_signal(int, void (*)(int));
  25 #endif
  26 #ifndef os_non_restarting_signal
  27 extern void          os_non_restarting_signal(int, void (*)(int));
  28 #endif
  29 #ifndef os_strexit
  30 extern const char   *os_strexit(int);     /* char to match os_strsignal */
  31 #endif
  32 #ifndef os_strsignal
  33 extern const char   *os_strsignal(int);   /* char to match strsignal in some OS */
  34 #endif
  35
  36 /* End of osfunctions.h */