diff options
| author | dyson <dyson@FreeBSD.org> | 1998-01-07 03:12:19 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1998-01-07 03:12:19 +0000 |
| commit | cbf538c65f55c44d6b75f7ecb922cf0dbe5fc3f2 (patch) | |
| tree | 0e60dc7c28bdf666daaa1f74b4509c5ed701575a | |
| parent | c2173ecb3ee3d35d9fa205f3240fc7a7f7e72c59 (diff) | |
| download | FreeBSD-src-cbf538c65f55c44d6b75f7ecb922cf0dbe5fc3f2.zip FreeBSD-src-cbf538c65f55c44d6b75f7ecb922cf0dbe5fc3f2.tar.gz | |
Turn off the VTEXT flag when an object is no longer referenced, so
that an executable that is no longer running can be written to. Also,
clear the OBJ_OPT flag more often, when appropriate.
| -rw-r--r-- | sys/vm/vm_object.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index a279525..7885534 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_object.c,v 1.103 1997/12/29 00:24:49 dyson Exp $ + * $Id: vm_object.c,v 1.104 1998/01/06 05:26:04 dyson Exp $ */ /* @@ -246,7 +246,7 @@ vm_object_reference(object) vget((struct vnode *) object->handle, LK_NOOBJ, curproc); } -inline void +void vm_object_vndeallocate(object) vm_object_t object; { @@ -264,6 +264,8 @@ vm_object_vndeallocate(object) object->ref_count--; if (object->type == OBJT_VNODE) { + if (object->ref_count == 0) + vp->v_flag &= ~VTEXT; vrele(vp); } } @@ -366,6 +368,8 @@ doterm: if (temp) { TAILQ_REMOVE(&temp->shadow_head, object, shadow_list); temp->shadow_count--; + if (temp->shadow_count == 0) + temp->flags &= ~OBJ_OPT; } vm_object_terminate(object); /* unlocks and deallocates object */ |
