/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, 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@
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
+/*
+ * NOTICE: This file was modified by McAfee Research in 2004 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
/*
*/
/*
#include <mach/kern_return.h>
#include <mach/vm_types.h>
-#ifdef MACH_KERNEL_PRIVATE
+#include <sys/appleapiopts.h>
+
+#ifdef __APPLE_API_PRIVATE
+#if MACH_KERNEL_PRIVATE
#include <mach_kdb.h>
#include <kern/macro_help.h>
+#include <kern/kern_types.h>
#include <kern/lock.h>
#include <kern/task.h>
#include <kern/zalloc.h>
typedef natural_t ipc_space_refs_t;
struct ipc_space {
- decl_mutex_data(,is_ref_lock_data)
+ decl_lck_mtx_data(,is_ref_lock_data)
ipc_space_refs_t is_references;
- decl_mutex_data(,is_lock_data)
+ decl_lck_mtx_data(,is_lock_data)
boolean_t is_active; /* is the space alive? */
boolean_t is_growing; /* is the space growing? */
ipc_entry_t is_table; /* an array of entries */
ipc_entry_num_t is_tree_small; /* # of small entries in the tree */
ipc_entry_num_t is_tree_hash; /* # of hashed entries in the tree */
boolean_t is_fast; /* for is_fast_space() */
+
+ task_t is_task; /* associated task */
};
#define IS_NULL ((ipc_space_t) 0)
extern zone_t ipc_space_zone;
#define is_alloc() ((ipc_space_t) zalloc(ipc_space_zone))
-#define is_free(is) zfree(ipc_space_zone, (vm_offset_t) (is))
+#define is_free(is) zfree(ipc_space_zone, (is))
extern ipc_space_t ipc_space_kernel;
extern ipc_space_t ipc_space_reply;
#define is_fast_space(is) ((is)->is_fast)
-#define is_ref_lock_init(is) mutex_init(&(is)->is_ref_lock_data, \
- ETAP_IPC_IS_REF)
+#define is_ref_lock_init(is) lck_mtx_init(&(is)->is_ref_lock_data, &ipc_lck_grp, &ipc_lck_attr)
+#define is_ref_lock_destroy(is) lck_mtx_destroy(&(is)->is_ref_lock_data, &ipc_lck_grp)
#define ipc_space_reference_macro(is) \
MACRO_BEGIN \
- mutex_lock(&(is)->is_ref_lock_data); \
+ lck_mtx_lock(&(is)->is_ref_lock_data); \
assert((is)->is_references > 0); \
(is)->is_references++; \
- mutex_unlock(&(is)->is_ref_lock_data); \
+ lck_mtx_unlock(&(is)->is_ref_lock_data); \
MACRO_END
#define ipc_space_release_macro(is) \
MACRO_BEGIN \
ipc_space_refs_t _refs; \
\
- mutex_lock(&(is)->is_ref_lock_data); \
+ lck_mtx_lock(&(is)->is_ref_lock_data); \
assert((is)->is_references > 0); \
_refs = --(is)->is_references; \
- mutex_unlock(&(is)->is_ref_lock_data); \
+ lck_mtx_unlock(&(is)->is_ref_lock_data); \
\
- if (_refs == 0) \
+ if (_refs == 0) { \
+ is_lock_destroy(is); \
+ is_ref_lock_destroy(is); \
is_free(is); \
+ } \
MACRO_END
-#define is_lock_init(is) mutex_init(&(is)->is_lock_data, ETAP_IPC_IS)
+#define is_lock_init(is) lck_mtx_init(&(is)->is_lock_data, &ipc_lck_grp, &ipc_lck_attr)
+#define is_lock_destroy(is) lck_mtx_destroy(&(is)->is_lock_data, &ipc_lck_grp)
-#define is_read_lock(is) mutex_lock(&(is)->is_lock_data)
-#define is_read_unlock(is) mutex_unlock(&(is)->is_lock_data)
+#define is_read_lock(is) lck_mtx_lock(&(is)->is_lock_data)
+#define is_read_unlock(is) lck_mtx_unlock(&(is)->is_lock_data)
+#define is_read_sleep(is) lck_mtx_sleep(&(is)->is_lock_data, \
+ LCK_SLEEP_DEFAULT, \
+ (event_t)(is), \
+ THREAD_UNINT)
-#define is_write_lock(is) mutex_lock(&(is)->is_lock_data)
-#define is_write_lock_try(is) mutex_try(&(is)->is_lock_data)
-#define is_write_unlock(is) mutex_unlock(&(is)->is_lock_data)
+#define is_write_lock(is) lck_mtx_lock(&(is)->is_lock_data)
+#define is_write_lock_try(is) lck_mtx_try_lock(&(is)->is_lock_data)
+#define is_write_unlock(is) lck_mtx_unlock(&(is)->is_lock_data)
+#define is_write_sleep(is) lck_mtx_sleep(&(is)->is_lock_data, \
+ LCK_SLEEP_DEFAULT, \
+ (event_t)(is), \
+ THREAD_UNINT)
#define is_reference(is) ipc_space_reference(is)
#define is_release(is) ipc_space_release(is)
#define current_space_fast() (current_task_fast()->itk_space)
#define current_space() (current_space_fast())
-#else /* !MACH_KERNEL_PRIVATE */
+/* Create a special IPC space */
+extern kern_return_t ipc_space_create_special(
+ ipc_space_t *spacep);
-extern ipc_space_t current_space(void);
+/* Create new IPC space */
+extern kern_return_t ipc_space_create(
+ ipc_table_size_t initial,
+ ipc_space_t *spacep);
+
+/* Mark a space as dead and cleans up the entries*/
+extern void ipc_space_destroy(
+ ipc_space_t space);
+
+/* Clean up the entries - but leave the space alive */
+extern void ipc_space_clean(
+ ipc_space_t space);
#endif /* MACH_KERNEL_PRIVATE */
+#endif /* __APPLE_API_PRIVATE */
+
+#ifdef __APPLE_API_UNSTABLE
+#ifndef MACH_KERNEL_PRIVATE
+
+extern ipc_space_t current_space(void);
+
+#endif /* !MACH_KERNEL_PRIVATE */
+#endif /* __APPLE_API_UNSTABLE */
/* Take a reference on a space */
extern void ipc_space_reference(
extern void ipc_space_release(
ipc_space_t space);
-
-/* Create new IPC space */
-extern kern_return_t ipc_space_create(
- ipc_table_size_t initial,
- ipc_space_t *spacep);
-
-/* Create a special IPC space */
-extern kern_return_t ipc_space_create_special(
- ipc_space_t *spacep);
-
-/* Mark a space as dead and cleans up the entries*/
-extern void ipc_space_destroy(
- ipc_space_t space);
-
#endif /* _IPC_IPC_SPACE_H_ */
projects / apple / xnu.git / blobdiff