| /* This is simple DLL library which uses CRT onexit callback */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| static int *process_detach_var = NULL; |
| |
| __attribute__((dllexport)) |
| void set_process_detach_var(int *var) |
| { |
| process_detach_var = var; |
| } |
| |
| static int __cdecl onexit_callback(void) |
| { |
| if (process_detach_var) |
| (*process_detach_var)++; |
| return 0; |
| } |
| |
| /* Register onexit_callback as CRT onexit callback */ |
| __attribute__((constructor)) |
| static void register_onexit_callback(void) |
| { |
| if (!_onexit(&onexit_callback)) |
| printf("_onexit() failed\n"); |
| } |
