/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (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 file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
/*
* Set up ipc for default processor set.
*/
- ipc_pset_init(&default_pset);
- ipc_pset_enable(&default_pset);
+ ipc_pset_init(&pset0);
+ ipc_pset_enable(&pset0);
/*
* And for master processor
ipc_pset_enable(
processor_set_t pset)
{
- pset_lock(pset);
- if (pset->active) {
- ipc_kobject_set(pset->pset_self,
- (ipc_kobject_t) pset, IKOT_PSET);
- ipc_kobject_set(pset->pset_name_self,
- (ipc_kobject_t) pset, IKOT_PSET_NAME);
- pset->ref_count += 2;
- }
- pset_unlock(pset);
+ ipc_kobject_set(pset->pset_self, (ipc_kobject_t) pset, IKOT_PSET);
+ ipc_kobject_set(pset->pset_name_self, (ipc_kobject_t) pset, IKOT_PSET_NAME);
}
/*
- * ipc_pset_disable:
+ * processor_set_default:
*
- * Disable ipc access to a processor set by clearing the port objects.
- * Caller must hold pset lock and a reference to the pset. Ok to
- * just decrement pset reference count as a result.
- */
-void
-ipc_pset_disable(
- processor_set_t pset)
-{
- ipc_kobject_set(pset->pset_self, IKO_NULL, IKOT_NONE);
- ipc_kobject_set(pset->pset_name_self, IKO_NULL, IKOT_NONE);
- pset->ref_count -= 2;
-}
-
-/*
- * ipc_pset_terminate:
- *
- * Processor set is dead. Deallocate the ipc control structures.
- */
-void
-ipc_pset_terminate(
- processor_set_t pset)
-{
- ipc_port_dealloc_kernel(pset->pset_self);
- ipc_port_dealloc_kernel(pset->pset_name_self);
-}
-
-/*
- * processor_set_default, processor_set_default_priv:
- *
- * Return ports for manipulating default_processor set. MiG code
- * differentiates between these two routines.
+ * Return ports for manipulating default_processor set.
*/
kern_return_t
processor_set_default(
if (host == HOST_NULL)
return(KERN_INVALID_ARGUMENT);
- *pset = &default_pset;
- pset_reference(*pset);
- return(KERN_SUCCESS);
+ *pset = &pset0;
+
+ return (KERN_SUCCESS);
}
/*
pset = PROCESSOR_SET_NULL;
if (ip_active(port) &&
((ip_kotype(port) == IKOT_PSET) ||
- (matchn && (ip_kotype(port) == IKOT_PSET_NAME)))) {
+ (matchn && (ip_kotype(port) == IKOT_PSET_NAME)))) {
pset = (processor_set_t) port->ip_kobject;
- if (!pset_lock_try(pset)) {
- ip_unlock(port);
- mutex_pause();
- return (FALSE);
- }
- pset->ref_count++;
- pset_unlock(pset);
}
+
*ppset = pset;
ip_unlock(port);
+
return (TRUE);
}
* Routine: convert_pset_to_port
* Purpose:
* Convert from a pset to a port.
- * Consumes a pset ref; produces a naked send right
+ * Produces a naked send right
* which may be invalid.
* Conditions:
* Nothing locked.
convert_pset_to_port(
processor_set_t pset)
{
- ipc_port_t port;
+ ipc_port_t port = pset->pset_self;
- pset_lock(pset);
- if (pset->active)
- port = ipc_port_make_send(pset->pset_self);
- else
- port = IP_NULL;
- pset_unlock(pset);
+ if (port != IP_NULL)
+ port = ipc_port_make_send(port);
- pset_deallocate(pset);
return port;
}
* Routine: convert_pset_name_to_port
* Purpose:
* Convert from a pset to a port.
- * Consumes a pset ref; produces a naked send right
+ * Produces a naked send right
* which may be invalid.
* Conditions:
* Nothing locked.
convert_pset_name_to_port(
processor_set_name_t pset)
{
- ipc_port_t port;
+ ipc_port_t port = pset->pset_name_self;
- pset_lock(pset);
- if (pset->active)
- port = ipc_port_make_send(pset->pset_name_self);
- else
- port = IP_NULL;
- pset_unlock(pset);
+ if (port != IP_NULL)
+ port = ipc_port_make_send(port);
- pset_deallocate(pset);
return port;
}
}
if (IP_VALID(new_port)) {
- switch (new_behavior) {
+ switch (new_behavior & ~MACH_EXCEPTION_CODES) {
case EXCEPTION_DEFAULT:
case EXCEPTION_STATE:
case EXCEPTION_STATE_IDENTITY:
projects / apple / xnu.git / blobdiff