| 294 |
|
return -1; |
| 295 |
|
#endif |
| 296 |
|
|
| 297 |
< |
#ifdef HAVE_MACH_VM |
| 297 |
> |
#if defined(HAVE_MACH_VM) |
| 298 |
|
// vm_allocate() returns a zero-filled memory region |
| 299 |
|
kern_return_t ret_code = vm_allocate(mach_task_self(), (vm_address_t *)&addr, size, 0); |
| 300 |
|
if (ret_code != KERN_SUCCESS) { |
| 301 |
|
errno = vm_error(ret_code); |
| 302 |
|
return -1; |
| 303 |
|
} |
| 304 |
< |
#else |
| 305 |
< |
#ifdef HAVE_MMAP_VM |
| 304 |
> |
#elif defined(HAVE_MMAP_VM) |
| 305 |
|
int fd = zero_fd; |
| 306 |
|
int the_map_flags = translate_map_flags(options) | map_flags | MAP_FIXED; |
| 307 |
|
|
| 308 |
|
if (mmap((caddr_t)addr, size, VM_PAGE_DEFAULT, the_map_flags, fd, 0) == (void *)MAP_FAILED) |
| 309 |
|
return -1; |
| 310 |
< |
#else |
| 312 |
< |
#ifdef HAVE_WIN32_VM |
| 310 |
> |
#elif defined(HAVE_WIN32_VM) |
| 311 |
|
// Windows cannot allocate Low Memory |
| 312 |
|
if (addr == NULL) |
| 313 |
|
return -1; |
| 326 |
|
// Unsupported |
| 327 |
|
return -1; |
| 328 |
|
#endif |
| 329 |
< |
#endif |
| 332 |
< |
#endif |
| 333 |
< |
|
| 329 |
> |
|
| 330 |
|
// Explicitely protect the newly mapped region here because on some systems, |
| 331 |
|
// say MacOS X, mmap() doesn't honour the requested protection flags. |
| 332 |
|
if (vm_protect(addr, size, VM_PAGE_DEFAULT) != 0) |
| 333 |
|
return -1; |
| 334 |
< |
|
| 334 |
> |
|
| 335 |
|
return 0; |
| 336 |
|
} |
| 337 |
|
|
