| 1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * |
| 3 | *************************************************/ |
| 4 | |
| 5 | /* Copyright (c) University of Cambridge 1995 - 2016 */ |
| 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 | #ifndef os_unsetenv |
| 36 | extern int os_unsetenv(const uschar *); |
| 37 | #endif |
| 38 | #ifndef os_getcwd |
| 39 | extern uschar *os_getcwd(uschar *, size_t); |
| 40 | #endif |
| 41 | |
| 42 | /* End of osfunctions.h */ |