Security-222.tar.gz

[apple/security.git] / cdsa / cdsa_utilities / handleobject.cpp

diff --git a/cdsa/cdsa_utilities/handleobject.cpp b/cdsa/cdsa_utilities/handleobject.cpp
deleted file mode 100644 (file)
index 0d6e1a4..0000000
--- a/cdsa/cdsa_utilities/handleobject.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- * 
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-//
-// handleobject - give an object a process-global unique handle
-//
-#include <Security/handleobject.h>
-
-
-//
-// Static members of HandleObject
-//
-ModuleNexus<HandleObject::State> HandleObject::state;
-
-
-//
-// Bring the State constructor out of line
-//
-HandleObject::State::State()
-{ }
-
-
-//
-// HandleObject destructor (virtual)
-//
-HandleObject::~HandleObject()
-{
-       State &st = state();
-       StLock<Mutex> _(st);
-       st.erase(this);
-}
-
-
-//
-// Assign a HandleObject's (new) Handle.
-//
-void HandleObject::State::make(HandleObject *obj)
-{
-    StLock<Mutex> _(*this);
-       for (;;) {
-               Handle handle = reinterpret_cast<uint32>(obj) ^ (++sequence << 19);
-               if (handleMap[handle] == NULL) {
-                       secdebug("handleobj", "create 0x%lx for %p", handle, obj);
-                       obj->setHandle(handle);
-                       handleMap[handle] = obj;
-                       return;
-               }
-       }
-}
-
-
-//
-// Clean up a HandleObject that dies.
-// Note that an object MAY clear its handle before (in which case we do nothing).
-// In particular, killHandle will do this.
-//
-void HandleObject::State::erase(HandleObject *obj)
-{
-    if (obj->validHandle())
-        handleMap.erase(obj->handle());
-}
-
-void HandleObject::State::erase(HandleMap::iterator &it)
-{
-    if (it->second->validHandle())
-        handleMap.erase(it);
-}
-
-
-//
-// Observing proper map locking, locate a handle in the global handle map
-// and return a pointer to its object. Throw CssmError(error) if it cannot
-// be found, or it is corrupt.
-//
-HandleObject *HandleObject::State::find(CSSM_HANDLE h, CSSM_RETURN error)
-{
-       StLock<Mutex> _(*this);
-       HandleMap::const_iterator it = handleMap.find(h);
-       if (it == handleMap.end())
-               CssmError::throwMe(error);
-       HandleObject *obj = it->second;
-       if (obj == NULL || obj->handle() != h)
-               CssmError::throwMe(error);
-       return obj;
-}
-
-
-//
-// Look up the handle given in the global handle map.
-// If not found, or if the object is corrupt, throw an exception.
-// Otherwise, hold the State lock and return an iterator to the map entry.
-// Caller must release the State lock in a timely manner.
-//
-HandleObject::HandleMap::iterator HandleObject::State::locate(CSSM_HANDLE h, CSSM_RETURN error)
-{
-       StLock<Mutex> locker(*this);
-       HandleMap::iterator it = handleMap.find(h);
-       if (it == handleMap.end())
-               CssmError::throwMe(error);
-       HandleObject *obj = it->second;
-       if (obj == NULL || obj->handle() != h)
-               CssmError::throwMe(error);
-       locker.release();
-       return it;
-}
-
-
-//
-// The default locking virtual methods do nothing and succeed.
-//
-void HandleObject::lock() { }
-
-bool HandleObject::tryLock() { return true; }