| /* This is simple DLL library which uses CRT atexit 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 void __cdecl atexit_callback(void) | |
| { | |
| if (process_detach_var) | |
| (*process_detach_var)++; | |
| } | |
| /* Register atexit_callback as CRT atexit callback */ | |
| __attribute__((constructor)) | |
| static void register_atexit_callback(void) | |
| { | |
| if (atexit(&atexit_callback) != 0) | |
| printf("atexit() failed\n"); | |
| } |