diff options
Diffstat (limited to 'sys/vm/vm_obj.c')
-rw-r--r-- | sys/vm/vm_obj.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sys/vm/vm_obj.c b/sys/vm/vm_obj.c deleted file mode 100644 index b501c6b..0000000 --- a/sys/vm/vm_obj.c +++ /dev/null @@ -1,93 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <vm/obj.h> -#include <vm/dynalloc.h> -#include <sys/errno.h> -#include <string.h> - -static size_t obj_count = 0; - -static void -vm_set_pgops(struct vm_object *obj, struct vnode *vnode) -{ - if (vnode == NULL) { - obj->vnode = NULL; - return; - } - - /* Is this a device? */ - if (vnode->type == VCHR || vnode->type == VBLK) { - obj->pgops = &g_dev_pagerops; - } else { - obj->pgops = &g_vnode_pagerops; - } -} - -int -vm_obj_init(struct vm_object **res, struct vnode *vnode) -{ - struct vm_object *obj = dynalloc(sizeof(struct vm_object)); - - if (obj == NULL) { - return -ENOMEM; - } - - memset(obj, 0, sizeof(struct vm_object)); - obj->vnode = vnode; - obj->ref = 0; - - vm_set_pgops(obj, vnode); - *res = obj; - ++obj_count; - return 0; -} - -int -vm_obj_destroy(struct vm_object *obj) -{ - struct vnode *vp = obj->vnode; - - /* Check the ref count */ - if (obj->ref > 0) - return -EBUSY; - - if (vp != NULL) - vp->vmobj = NULL; - - dynfree(obj); - --obj_count; - return 0; -} - -size_t -vm_obj_count(void) -{ - return obj_count; -} |