| 28,6 → 28,8 |
|---|
| |
| #include <libc.h> |
| #include <unistd.h> |
| #include <kernel/mm/as_arg.h> |
| #include <task.h> |
| |
| /** Create address space area. |
| * |
| 55,6 → 57,46 |
|---|
| return (void *) __SYSCALL3(SYS_AS_AREA_RESIZE, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags); |
| } |
| |
| /** Prepare to accept address space area. |
| * |
| * @param id Task ID of the donor task. |
| * @param base Destination address for the new address space area. |
| * @param size Size of the new address space area. |
| * @param flags Flags of the area TASK is willing to accept. |
| * |
| * @return 0 on success or a code from errno.h. |
| */ |
| int as_area_accept(task_id_t id, void *base, size_t size, int flags) |
| { |
| as_area_acptsnd_arg_t arg; |
| |
| arg.task_id = id; |
| arg.base = base; |
| arg.size = size; |
| arg.flags = flags; |
| |
| return __SYSCALL1(SYS_AS_AREA_ACCEPT, (__native) &arg); |
| } |
| |
| /** Send address space area to another task. |
| * |
| * @param id Task ID of the acceptor task. |
| * @param base Source address of the existing address space area. |
| * |
| * @return 0 on success or a code from errno.h. |
| */ |
| int as_area_send(task_id_t id, void *base) |
| { |
| as_area_acptsnd_arg_t arg; |
| |
| arg.task_id = id; |
| arg.base = base; |
| arg.size = 0; |
| arg.flags = 0; |
| |
| return __SYSCALL1(SYS_AS_AREA_SEND, (__native) &arg); |
| } |
| |
| static size_t heapsize = 0; |
| /* Start of heap linker symbol */ |
| extern char _heap; |