| // checking for madvise() in <sys/mman.h> | |
| #include <sys/mman.h> // for madvise(), MADV_WILLNEED | |
| #include <sys/types.h> // for caddr_t | |
| int main (int argc, char *argv[]) | |
| { | |
| const caddr_t addr = (caddr_t)argv; | |
| const int result = madvise (addr, argc, MADV_WILLNEED); | |
| if (1 < argc) { | |
| // invoke with any command line arguments to test | |
| return result; | |
| } | |
| // always succeed when invoked without arguments | |
| return 0; | |
| } |