xnu-6153.41.3.tar.gz

[apple/xnu.git] / bsd / sys / ktrace.h

diff --git a/bsd/sys/ktrace.h b/bsd/sys/ktrace.h
index c67c9f6d1d02f90754ad95531f3719197fc4897c..61d0fb3d1ca78bbccf5219e91b4f11ae054d0ecf 100644 (file)
--- a/bsd/sys/ktrace.h
+++ b/bsd/sys/ktrace.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2015 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * 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
@@ -11,10 +11,10 @@
  * 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.
- * 
+ *
  * 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,
@@ -22,7 +22,7 @@
  * 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_OSREFERENCE_LICENSE_HEADER_END@
  */
 
@@ -43,7 +43,11 @@ enum ktrace_state {
        KTRACE_STATE_BG
 };
 
-extern lck_mtx_t *ktrace_lock;
+void ktrace_lock(void);
+void ktrace_unlock(void);
+void ktrace_assert_lock_held(void);
+void ktrace_start_single_threaded(void);
+void ktrace_end_single_threaded(void);
 
 /*
  * Subsystems that use ktrace to manage ownership.  These values are passed as
@@ -125,7 +129,7 @@ bool ktrace_background_active(void);
  * These functions exist for the transition for kperf to allow blessing other
  * processes.  They should not be used by other clients.
  */
-extern boolean_t ktrace_keep_ownership_on_reset;
+extern bool ktrace_keep_ownership_on_reset;
 extern int ktrace_root_set_owner_allowed;
 int ktrace_set_owning_pid(int pid);