1 #include <mach/mach_init.h> 2 #include <mach/mach_vm.h> 3 #include <stdlib.h> 4 5 int main(void)6main(void) 7 { 8 kern_return_t kr; 9 mach_vm_address_t addr = 50ULL * 1024ULL * 1024ULL * 1024ULL; 10 11 kr = mach_vm_allocate(current_task(), &addr, 4096, VM_FLAGS_FIXED); 12 13 if (kr == KERN_SUCCESS) { 14 return 0; 15 } else { 16 return 1; 17 } 18 } 19