1 files changed, 274 insertions, 274 deletions
diff --git a/source/components/utilities/utlock.c b/source/components/utilities/utlock.c
index 7a8f661f9..1d7dadc15 100644
--- a/source/components/utilities/utlock.c
+++ b/source/components/utilities/utlock.c
@@ -1,274 +1,274 @@
-/******************************************************************************
- *
- * Module Name: utlock - Reader/Writer lock interfaces
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2015, Intel Corp.
- * All rights reserved.
- *
- * 2. License
- *
- * 2.1. This is your license from Intel Corp. under its intellectual property
- * rights. You may have additional license terms from the party that provided
- * you this software, covering your right to use that party's intellectual
- * property rights.
- *
- * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
- * copy of the source code appearing in this file ("Covered Code") an
- * irrevocable, perpetual, worldwide license under Intel's copyrights in the
- * base code distributed originally by Intel ("Original Intel Code") to copy,
- * make derivatives, distribute, use and display any portion of the Covered
- * Code in any form, with the right to sublicense such rights; and
- *
- * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
- * license (with the right to sublicense), under only those claims of Intel
- * patents that are infringed by the Original Intel Code, to make, use, sell,
- * offer to sell, and import the Covered Code and derivative works thereof
- * solely to the minimum extent necessary to exercise the above copyright
- * license, and in no event shall the patent license extend to any additions
- * to or modifications of the Original Intel Code. No other license or right
- * is granted directly or by implication, estoppel or otherwise;
- *
- * The above copyright and patent license is granted only if the following
- * conditions are met:
- *
- * 3. Conditions
- *
- * 3.1. Redistribution of Source with Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification with rights to further distribute source must include
- * the above Copyright Notice, the above License, this list of Conditions,
- * and the following Disclaimer and Export Compliance provision. In addition,
- * Licensee must cause all Covered Code to which Licensee contributes to
- * contain a file documenting the changes Licensee made to create that Covered
- * Code and the date of any change. Licensee must include in that file the
- * documentation of any changes made by any predecessor Licensee. Licensee
- * must include a prominent statement that the modification is derived,
- * directly or indirectly, from Original Intel Code.
- *
- * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
- * Redistribution of source code of any substantial portion of the Covered
- * Code or modification without rights to further distribute source must
- * include the following Disclaimer and Export Compliance provision in the
- * documentation and/or other materials provided with distribution. In
- * addition, Licensee may not authorize further sublicense of source of any
- * portion of the Covered Code, and must include terms to the effect that the
- * license from Licensee to its licensee is limited to the intellectual
- * property embodied in the software Licensee provides to its licensee, and
- * not to intellectual property embodied in modifications its licensee may
- * make.
- *
- * 3.3. Redistribution of Executable. Redistribution in executable form of any
- * substantial portion of the Covered Code or modification must reproduce the
- * above Copyright Notice, and the following Disclaimer and Export Compliance
- * provision in the documentation and/or other materials provided with the
- * distribution.
- *
- * 3.4. Intel retains all right, title, and interest in and to the Original
- * Intel Code.
- *
- * 3.5. Neither the name Intel nor any other trademark owned or controlled by
- * Intel shall be used in advertising or otherwise to promote the sale, use or
- * other dealings in products derived from or relating to the Covered Code
- * without prior written authorization from Intel.
- *
- * 4. Disclaimer and Export Compliance
- *
- * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
- * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
- * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
- * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
- * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
- * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
- * PARTICULAR PURPOSE.
- *
- * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
- * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
- * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
- * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
- * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
- * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
- * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
- * LIMITED REMEDY.
- *
- * 4.3. Licensee shall not export, either directly or indirectly, any of this
- * software or system incorporating such software without first obtaining any
- * required license or other approval from the U. S. Department of Commerce or
- * any other agency or department of the United States Government. In the
- * event Licensee exports any such software from the United States or
- * re-exports any such software from a foreign destination, Licensee shall
- * ensure that the distribution and export/re-export of the software is in
- * compliance with all laws, regulations, orders, or other restrictions of the
- * U.S. Export Administration Regulations. Licensee agrees that neither it nor
- * any of its subsidiaries will export/re-export any technical data, process,
- * software, or service, directly or indirectly, to any country for which the
- * United States government or any agency thereof requires an export license,
- * other governmental approval, or letter of assurance, without first obtaining
- * such license, approval or letter.
- *
- *****************************************************************************/
-
-#include "acpi.h"
-#include "accommon.h"
-
-
-#define _COMPONENT          ACPI_UTILITIES
-        ACPI_MODULE_NAME    ("utlock")
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiUtCreateRwLock
- *              AcpiUtDeleteRwLock
- *
- * PARAMETERS:  Lock                - Pointer to a valid RW lock
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Reader/writer lock creation and deletion interfaces.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiUtCreateRwLock (
-    ACPI_RW_LOCK            *Lock)
-{
-    ACPI_STATUS             Status;
-
-
-    Lock->NumReaders = 0;
-    Status = AcpiOsCreateMutex (&Lock->ReaderMutex);
-    if (ACPI_FAILURE (Status))
-    {
-        return (Status);
-    }
-
-    Status = AcpiOsCreateMutex (&Lock->WriterMutex);
-    return (Status);
-}
-
-
-void
-AcpiUtDeleteRwLock (
-    ACPI_RW_LOCK            *Lock)
-{
-
-    AcpiOsDeleteMutex (Lock->ReaderMutex);
-    AcpiOsDeleteMutex (Lock->WriterMutex);
-
-    Lock->NumReaders = 0;
-    Lock->ReaderMutex = NULL;
-    Lock->WriterMutex = NULL;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiUtAcquireReadLock
- *              AcpiUtReleaseReadLock
- *
- * PARAMETERS:  Lock                - Pointer to a valid RW lock
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Reader interfaces for reader/writer locks. On acquisition,
- *              only the first reader acquires the write mutex. On release,
- *              only the last reader releases the write mutex. Although this
- *              algorithm can in theory starve writers, this should not be a
- *              problem with ACPICA since the subsystem is infrequently used
- *              in comparison to (for example) an I/O system.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiUtAcquireReadLock (
-    ACPI_RW_LOCK            *Lock)
-{
-    ACPI_STATUS             Status;
-
-
-    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
-    if (ACPI_FAILURE (Status))
-    {
-        return (Status);
-    }
-
-    /* Acquire the write lock only for the first reader */
-
-    Lock->NumReaders++;
-    if (Lock->NumReaders == 1)
-    {
-        Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
-    }
-
-    AcpiOsReleaseMutex (Lock->ReaderMutex);
-    return (Status);
-}
-
-
-ACPI_STATUS
-AcpiUtReleaseReadLock (
-    ACPI_RW_LOCK            *Lock)
-{
-    ACPI_STATUS             Status;
-
-
-    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
-    if (ACPI_FAILURE (Status))
-    {
-        return (Status);
-    }
-
-    /* Release the write lock only for the very last reader */
-
-    Lock->NumReaders--;
-    if (Lock->NumReaders == 0)
-    {
-        AcpiOsReleaseMutex (Lock->WriterMutex);
-    }
-
-    AcpiOsReleaseMutex (Lock->ReaderMutex);
-    return (Status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    AcpiUtAcquireWriteLock
- *              AcpiUtReleaseWriteLock
- *
- * PARAMETERS:  Lock                - Pointer to a valid RW lock
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Writer interfaces for reader/writer locks. Simply acquire or
- *              release the writer mutex associated with the lock. Acquisition
- *              of the lock is fully exclusive and will block all readers and
- *              writers until it is released.
- *
- ******************************************************************************/
-
-ACPI_STATUS
-AcpiUtAcquireWriteLock (
-    ACPI_RW_LOCK            *Lock)
-{
-    ACPI_STATUS             Status;
-
-
-    Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
-    return (Status);
-}
-
-
-void
-AcpiUtReleaseWriteLock (
-    ACPI_RW_LOCK            *Lock)
-{
-
-    AcpiOsReleaseMutex (Lock->WriterMutex);
-}
+/******************************************************************************
+ *
+ * Module Name: utlock - Reader/Writer lock interfaces
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * 2. License
+ *
+ * 2.1. This is your license from Intel Corp. under its intellectual property
+ * rights. You may have additional license terms from the party that provided
+ * you this software, covering your right to use that party's intellectual
+ * property rights.
+ *
+ * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
+ * copy of the source code appearing in this file ("Covered Code") an
+ * irrevocable, perpetual, worldwide license under Intel's copyrights in the
+ * base code distributed originally by Intel ("Original Intel Code") to copy,
+ * make derivatives, distribute, use and display any portion of the Covered
+ * Code in any form, with the right to sublicense such rights; and
+ *
+ * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
+ * license (with the right to sublicense), under only those claims of Intel
+ * patents that are infringed by the Original Intel Code, to make, use, sell,
+ * offer to sell, and import the Covered Code and derivative works thereof
+ * solely to the minimum extent necessary to exercise the above copyright
+ * license, and in no event shall the patent license extend to any additions
+ * to or modifications of the Original Intel Code. No other license or right
+ * is granted directly or by implication, estoppel or otherwise;
+ *
+ * The above copyright and patent license is granted only if the following
+ * conditions are met:
+ *
+ * 3. Conditions
+ *
+ * 3.1. Redistribution of Source with Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification with rights to further distribute source must include
+ * the above Copyright Notice, the above License, this list of Conditions,
+ * and the following Disclaimer and Export Compliance provision. In addition,
+ * Licensee must cause all Covered Code to which Licensee contributes to
+ * contain a file documenting the changes Licensee made to create that Covered
+ * Code and the date of any change. Licensee must include in that file the
+ * documentation of any changes made by any predecessor Licensee. Licensee
+ * must include a prominent statement that the modification is derived,
+ * directly or indirectly, from Original Intel Code.
+ *
+ * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
+ * Redistribution of source code of any substantial portion of the Covered
+ * Code or modification without rights to further distribute source must
+ * include the following Disclaimer and Export Compliance provision in the
+ * documentation and/or other materials provided with distribution. In
+ * addition, Licensee may not authorize further sublicense of source of any
+ * portion of the Covered Code, and must include terms to the effect that the
+ * license from Licensee to its licensee is limited to the intellectual
+ * property embodied in the software Licensee provides to its licensee, and
+ * not to intellectual property embodied in modifications its licensee may
+ * make.
+ *
+ * 3.3. Redistribution of Executable. Redistribution in executable form of any
+ * substantial portion of the Covered Code or modification must reproduce the
+ * above Copyright Notice, and the following Disclaimer and Export Compliance
+ * provision in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3.4. Intel retains all right, title, and interest in and to the Original
+ * Intel Code.
+ *
+ * 3.5. Neither the name Intel nor any other trademark owned or controlled by
+ * Intel shall be used in advertising or otherwise to promote the sale, use or
+ * other dealings in products derived from or relating to the Covered Code
+ * without prior written authorization from Intel.
+ *
+ * 4. Disclaimer and Export Compliance
+ *
+ * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
+ * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
+ * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
+ * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
+ * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
+ * PARTICULAR PURPOSE.
+ *
+ * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
+ * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
+ * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
+ * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
+ * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
+ * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
+ * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
+ * LIMITED REMEDY.
+ *
+ * 4.3. Licensee shall not export, either directly or indirectly, any of this
+ * software or system incorporating such software without first obtaining any
+ * required license or other approval from the U. S. Department of Commerce or
+ * any other agency or department of the United States Government. In the
+ * event Licensee exports any such software from the United States or
+ * re-exports any such software from a foreign destination, Licensee shall
+ * ensure that the distribution and export/re-export of the software is in
+ * compliance with all laws, regulations, orders, or other restrictions of the
+ * U.S. Export Administration Regulations. Licensee agrees that neither it nor
+ * any of its subsidiaries will export/re-export any technical data, process,
+ * software, or service, directly or indirectly, to any country for which the
+ * United States government or any agency thereof requires an export license,
+ * other governmental approval, or letter of assurance, without first obtaining
+ * such license, approval or letter.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "accommon.h"
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utlock")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateRwLock
+ *              AcpiUtDeleteRwLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reader/writer lock creation and deletion interfaces.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateRwLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Lock->NumReaders = 0;
+    Status = AcpiOsCreateMutex (&Lock->ReaderMutex);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateMutex (&Lock->WriterMutex);
+    return (Status);
+}
+
+
+void
+AcpiUtDeleteRwLock (
+    ACPI_RW_LOCK            *Lock)
+{
+
+    AcpiOsDeleteMutex (Lock->ReaderMutex);
+    AcpiOsDeleteMutex (Lock->WriterMutex);
+
+    Lock->NumReaders = 0;
+    Lock->ReaderMutex = NULL;
+    Lock->WriterMutex = NULL;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireReadLock
+ *              AcpiUtReleaseReadLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Reader interfaces for reader/writer locks. On acquisition,
+ *              only the first reader acquires the write mutex. On release,
+ *              only the last reader releases the write mutex. Although this
+ *              algorithm can in theory starve writers, this should not be a
+ *              problem with ACPICA since the subsystem is infrequently used
+ *              in comparison to (for example) an I/O system.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireReadLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Acquire the write lock only for the first reader */
+
+    Lock->NumReaders++;
+    if (Lock->NumReaders == 1)
+    {
+        Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
+    }
+
+    AcpiOsReleaseMutex (Lock->ReaderMutex);
+    return (Status);
+}
+
+
+ACPI_STATUS
+AcpiUtReleaseReadLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->ReaderMutex, ACPI_WAIT_FOREVER);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    /* Release the write lock only for the very last reader */
+
+    Lock->NumReaders--;
+    if (Lock->NumReaders == 0)
+    {
+        AcpiOsReleaseMutex (Lock->WriterMutex);
+    }
+
+    AcpiOsReleaseMutex (Lock->ReaderMutex);
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAcquireWriteLock
+ *              AcpiUtReleaseWriteLock
+ *
+ * PARAMETERS:  Lock                - Pointer to a valid RW lock
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Writer interfaces for reader/writer locks. Simply acquire or
+ *              release the writer mutex associated with the lock. Acquisition
+ *              of the lock is fully exclusive and will block all readers and
+ *              writers until it is released.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtAcquireWriteLock (
+    ACPI_RW_LOCK            *Lock)
+{
+    ACPI_STATUS             Status;
+
+
+    Status = AcpiOsAcquireMutex (Lock->WriterMutex, ACPI_WAIT_FOREVER);
+    return (Status);
+}
+
+
+void
+AcpiUtReleaseWriteLock (
+    ACPI_RW_LOCK            *Lock)
+{
+
+    AcpiOsReleaseMutex (Lock->WriterMutex);
+}