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Turn off the VTEXT flag when an object is no longer referenced, so

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that an executable that is no longer running can be written to.  Also,
clear the OBJ_OPT flag more often, when appropriate.
This commit is contained in:
John Dyson 1998-01-07 03:12:19 +00:00
parent 19b7e28d58
commit bf27292b35
1 changed files with 6 additions and 2 deletions
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8
sys/vm/vm_object.c
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@ -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 @@ vm_object_deallocate(object)
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 */