| 29,7 → 29,7 |
|---|
| #include <libc.h> |
| #include <unistd.h> |
| |
| /** mmap syscall |
| /** Create address space area. |
| * |
| * @param address Virtual address where to place new address space area. |
| * @param size Size of the area. |
| 37,12 → 37,12 |
|---|
| * |
| * @return address on success, (void *) -1 otherwise. |
| */ |
| void *mmap(void *address, size_t size, int flags) |
| void *as_area_create(void *address, size_t size, int flags) |
| { |
| return (void *) __SYSCALL3(SYS_MMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| return (void *) __SYSCALL3(SYS_AS_AREA_CREATE, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| } |
| |
| /** mremap syscall |
| /** Resize address space area. |
| * |
| * @param address Virtual address pointing into already existing address space area. |
| * @param size New requested size of the area. |
| 50,9 → 50,9 |
|---|
| * |
| * @return address on success, (void *) -1 otherwise. |
| */ |
| void *mremap(void *address, size_t size, int flags) |
| void *as_area_resize(void *address, size_t size, int flags) |
| { |
| return (void *) __SYSCALL3(SYS_MREMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| return (void *) __SYSCALL3(SYS_AS_AREA_RESIZE, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| } |
| |
| static size_t heapsize = 0; |
| 78,7 → 78,7 |
|---|
| if (incr < 0 && incr+heapsize > heapsize) |
| return NULL; |
| |
| res = mremap(&_heap, heapsize + incr,0); |
| res = as_area_resize(&_heap, heapsize + incr,0); |
| if (!res) |
| return NULL; |
| |