patch-2.4.22 linux-2.4.22/drivers/acpi/utilities/utdelete.c
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- Lines: 727
- Date:
2003-08-25 04:44:41.000000000 -0700
- Orig file:
linux-2.4.21/drivers/acpi/utilities/utdelete.c
- Orig date:
2001-10-24 14:06:22.000000000 -0700
diff -urN linux-2.4.21/drivers/acpi/utilities/utdelete.c linux-2.4.22/drivers/acpi/utilities/utdelete.c
@@ -1,42 +1,59 @@
/*******************************************************************************
*
* Module Name: utdelete - object deletion and reference count utilities
- * $Revision: 81 $
*
******************************************************************************/
/*
- * Copyright (C) 2000, 2001 R. Byron Moore
+ * Copyright (C) 2000 - 2003, R. Byron Moore
+ * All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
*/
-#include "acpi.h"
-#include "acinterp.h"
-#include "acnamesp.h"
-#include "actables.h"
-#include "acparser.h"
+#include <acpi/acpi.h>
+#include <acpi/acinterp.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acevents.h>
#define _COMPONENT ACPI_UTILITIES
- MODULE_NAME ("utdelete")
+ ACPI_MODULE_NAME ("utdelete")
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_delete_internal_obj
+ * FUNCTION: acpi_ut_delete_internal_obj
*
* PARAMETERS: *Object - Pointer to the list to be deleted
*
@@ -49,13 +66,15 @@
void
acpi_ut_delete_internal_obj (
- acpi_operand_object *object)
+ union acpi_operand_object *object)
{
- void *obj_pointer = NULL;
- acpi_operand_object *handler_desc;
+ void *obj_pointer = NULL;
+ union acpi_operand_object *handler_desc;
+ union acpi_operand_object *second_desc;
+ union acpi_operand_object *next_desc;
- FUNCTION_TRACE_PTR ("Ut_delete_internal_obj", object);
+ ACPI_FUNCTION_TRACE_PTR ("ut_delete_internal_obj", object);
if (!object) {
@@ -66,16 +85,17 @@
* Must delete or free any pointers within the object that are not
* actual ACPI objects (for example, a raw buffer pointer).
*/
- switch (object->common.type) {
-
+ switch (ACPI_GET_OBJECT_TYPE (object)) {
case ACPI_TYPE_STRING:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** String %p, ptr %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n",
object, object->string.pointer));
/* Free the actual string buffer */
if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+ /* But only if it is NOT a pointer into an ACPI table */
+
obj_pointer = object->string.pointer;
}
break;
@@ -83,18 +103,22 @@
case ACPI_TYPE_BUFFER:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "**** Buffer %p, ptr %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n",
object, object->buffer.pointer));
/* Free the actual buffer */
- obj_pointer = object->buffer.pointer;
+ if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
+ /* But only if it is NOT a pointer into an ACPI table */
+
+ obj_pointer = object->buffer.pointer;
+ }
break;
case ACPI_TYPE_PACKAGE:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, " **** Package of count %X\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n",
object->package.count));
/*
@@ -108,124 +132,137 @@
break;
+ case ACPI_TYPE_DEVICE:
+
+ if (object->device.gpe_block) {
+ (void) acpi_ev_delete_gpe_block (object->device.gpe_block);
+ }
+
+ /* Walk the handler list for this device */
+
+ handler_desc = object->device.address_space;
+ while (handler_desc) {
+ next_desc = handler_desc->address_space.next;
+ acpi_ut_remove_reference (handler_desc);
+ handler_desc = next_desc;
+ }
+ break;
+
+
case ACPI_TYPE_MUTEX:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "***** Mutex %p, Semaphore %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Mutex %p, Semaphore %p\n",
object, object->mutex.semaphore));
acpi_ex_unlink_mutex (object);
- acpi_os_delete_semaphore (object->mutex.semaphore);
+ (void) acpi_os_delete_semaphore (object->mutex.semaphore);
break;
case ACPI_TYPE_EVENT:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "***** Event %p, Semaphore %p\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Event %p, Semaphore %p\n",
object, object->event.semaphore));
- acpi_os_delete_semaphore (object->event.semaphore);
+ (void) acpi_os_delete_semaphore (object->event.semaphore);
object->event.semaphore = NULL;
break;
case ACPI_TYPE_METHOD:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "***** Method %p\n", object));
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Method %p\n", object));
/* Delete the method semaphore if it exists */
if (object->method.semaphore) {
- acpi_os_delete_semaphore (object->method.semaphore);
+ (void) acpi_os_delete_semaphore (object->method.semaphore);
object->method.semaphore = NULL;
}
-
break;
case ACPI_TYPE_REGION:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "***** Region %p\n", object));
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Region %p\n", object));
- if (object->region.extra) {
+ second_desc = acpi_ns_get_secondary_object (object);
+ if (second_desc) {
/*
- * Free the Region_context if and only if the handler is one of the
+ * Free the region_context if and only if the handler is one of the
* default handlers -- and therefore, we created the context object
* locally, it was not created by an external caller.
*/
- handler_desc = object->region.addr_handler;
- if ((handler_desc) &&
- (handler_desc->addr_handler.hflags == ADDR_HANDLER_DEFAULT_INSTALLED)) {
- obj_pointer = object->region.extra->extra.region_context;
+ handler_desc = object->region.address_space;
+ if (handler_desc) {
+ if (handler_desc->address_space.hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
+ obj_pointer = second_desc->extra.region_context;
+ }
+
+ acpi_ut_remove_reference (handler_desc);
}
/* Now we can free the Extra object */
- acpi_ut_delete_object_desc (object->region.extra);
+ acpi_ut_delete_object_desc (second_desc);
}
break;
case ACPI_TYPE_BUFFER_FIELD:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "***** Buffer Field %p\n", object));
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "***** Buffer Field %p\n", object));
- if (object->buffer_field.extra) {
- acpi_ut_delete_object_desc (object->buffer_field.extra);
+ second_desc = acpi_ns_get_secondary_object (object);
+ if (second_desc) {
+ acpi_ut_delete_object_desc (second_desc);
}
break;
+
default:
break;
}
+ /* Free any allocated memory (pointer within the object) found above */
- /*
- * Delete any allocated memory found above
- */
if (obj_pointer) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Deleting Obj Ptr %p \n", obj_pointer));
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n",
+ obj_pointer));
ACPI_MEM_FREE (obj_pointer);
}
- /* Only delete the object if it was dynamically allocated */
-
- if (object->common.flags & AOPOBJ_STATIC_ALLOCATION) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Object %p [%s] static allocation, no delete\n",
- object, acpi_ut_get_type_name (object->common.type)));
- }
-
- if (!(object->common.flags & AOPOBJ_STATIC_ALLOCATION)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Deleting object %p [%s]\n",
- object, acpi_ut_get_type_name (object->common.type)));
+ /* Now the object can be safely deleted */
- acpi_ut_delete_object_desc (object);
- }
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n",
+ object, acpi_ut_get_object_type_name (object)));
+ acpi_ut_delete_object_desc (object);
return_VOID;
}
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_delete_internal_object_list
+ * FUNCTION: acpi_ut_delete_internal_object_list
*
- * PARAMETERS: *Obj_list - Pointer to the list to be deleted
+ * PARAMETERS: *obj_list - Pointer to the list to be deleted
*
- * RETURN: Status - the status of the call
+ * RETURN: None
*
* DESCRIPTION: This function deletes an internal object list, including both
* simple objects and package objects
*
******************************************************************************/
-acpi_status
+void
acpi_ut_delete_internal_object_list (
- acpi_operand_object **obj_list)
+ union acpi_operand_object **obj_list)
{
- acpi_operand_object **internal_obj;
+ union acpi_operand_object **internal_obj;
- FUNCTION_TRACE ("Ut_delete_internal_object_list");
+ ACPI_FUNCTION_TRACE ("ut_delete_internal_object_list");
/* Walk the null-terminated internal list */
@@ -237,14 +274,13 @@
/* Free the combined parameter pointer list and object array */
ACPI_MEM_FREE (obj_list);
-
- return_ACPI_STATUS (AE_OK);
+ return_VOID;
}
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_update_ref_count
+ * FUNCTION: acpi_ut_update_ref_count
*
* PARAMETERS: *Object - Object whose ref count is to be updated
* Action - What to do
@@ -257,25 +293,25 @@
static void
acpi_ut_update_ref_count (
- acpi_operand_object *object,
- u32 action)
+ union acpi_operand_object *object,
+ u32 action)
{
- u16 count;
- u16 new_count;
+ u16 count;
+ u16 new_count;
+
+ ACPI_FUNCTION_NAME ("ut_update_ref_count");
- PROC_NAME ("Ut_update_ref_count");
if (!object) {
return;
}
-
count = object->common.reference_count;
new_count = count;
/*
- * Reference count action (increment, decrement, or force delete)
+ * Perform the reference count action (increment, decrement, or force delete)
*/
switch (action) {
@@ -284,7 +320,7 @@
new_count++;
object->common.reference_count = new_count;
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Obj %p Refs=%X, [Incremented]\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Incremented]\n",
object, new_count));
break;
@@ -292,21 +328,20 @@
case REF_DECREMENT:
if (count < 1) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, can't decrement! (Set to 0)\n",
object, new_count));
new_count = 0;
}
-
else {
new_count--;
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Obj %p Refs=%X, [Decremented]\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, [Decremented]\n",
object, new_count));
}
- if (object->common.type == ACPI_TYPE_METHOD) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Method Obj %p Refs=%X, [Decremented]\n",
+ if (ACPI_GET_OBJECT_TYPE (object) == ACPI_TYPE_METHOD) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Method Obj %p Refs=%X, [Decremented]\n",
object, new_count));
}
@@ -320,7 +355,7 @@
case REF_FORCE_DELETE:
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Obj %p Refs=%X, Force delete! (Set to 0)\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X, Force delete! (Set to 0)\n",
object, count));
new_count = 0;
@@ -335,12 +370,11 @@
break;
}
-
/*
* Sanity check the reference count, for debug purposes only.
* (A deleted object will have a huge reference count)
*/
- if (count > MAX_REFERENCE_COUNT) {
+ if (count > ACPI_MAX_REFERENCE_COUNT) {
ACPI_DEBUG_PRINT ((ACPI_DB_WARN,
"**** Warning **** Large Reference Count (%X) in object %p\n\n",
@@ -353,7 +387,7 @@
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_update_object_reference
+ * FUNCTION: acpi_ut_update_object_reference
*
* PARAMETERS: *Object - Increment ref count for this object
* and all sub-objects
@@ -375,18 +409,16 @@
acpi_status
acpi_ut_update_object_reference (
- acpi_operand_object *object,
- u16 action)
+ union acpi_operand_object *object,
+ u16 action)
{
- acpi_status status;
- u32 i;
- acpi_operand_object *next;
- acpi_operand_object *new;
- acpi_generic_state *state_list = NULL;
- acpi_generic_state *state;
+ acpi_status status;
+ u32 i;
+ union acpi_generic_state *state_list = NULL;
+ union acpi_generic_state *state;
- FUNCTION_TRACE_PTR ("Ut_update_object_reference", object);
+ ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
/* Ignore a null object ptr */
@@ -395,16 +427,13 @@
return_ACPI_STATUS (AE_OK);
}
+ /* Make sure that this isn't a namespace handle */
- /*
- * Make sure that this isn't a namespace handle or an AML pointer
- */
- if (VALID_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_NAMED)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Object %p is NS handle\n", object));
+ if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p is NS handle\n", object));
return_ACPI_STATUS (AE_OK);
}
-
state = acpi_ut_create_update_state (object, action);
while (state) {
@@ -416,32 +445,11 @@
* All sub-objects must have their reference count incremented also.
* Different object types have different subobjects.
*/
- switch (object->common.type) {
-
+ switch (ACPI_GET_OBJECT_TYPE (object)) {
case ACPI_TYPE_DEVICE:
- status = acpi_ut_create_update_state_and_push (object->device.addr_handler,
- action, &state_list);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
-
- acpi_ut_update_ref_count (object->device.sys_handler, action);
- acpi_ut_update_ref_count (object->device.drv_handler, action);
- break;
-
-
- case INTERNAL_TYPE_ADDRESS_HANDLER:
-
- /* Must walk list of address handlers */
-
- next = object->addr_handler.next;
- while (next) {
- new = next->addr_handler.next;
- acpi_ut_update_ref_count (next, action);
-
- next = new;
- }
+ acpi_ut_update_ref_count (object->device.system_notify, action);
+ acpi_ut_update_ref_count (object->device.device_notify, action);
break;
@@ -460,7 +468,7 @@
status = acpi_ut_create_update_state_and_push (
object->package.elements[i], action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
}
break;
@@ -470,63 +478,62 @@
status = acpi_ut_create_update_state_and_push (
object->buffer_field.buffer_obj, action, &state_list);
-
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
break;
- case INTERNAL_TYPE_REGION_FIELD:
+ case ACPI_TYPE_LOCAL_REGION_FIELD:
status = acpi_ut_create_update_state_and_push (
object->field.region_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
break;
- case INTERNAL_TYPE_BANK_FIELD:
+ case ACPI_TYPE_LOCAL_BANK_FIELD:
status = acpi_ut_create_update_state_and_push (
- object->bank_field.bank_register_obj, action, &state_list);
+ object->bank_field.bank_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
status = acpi_ut_create_update_state_and_push (
object->bank_field.region_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
break;
- case INTERNAL_TYPE_INDEX_FIELD:
+ case ACPI_TYPE_LOCAL_INDEX_FIELD:
status = acpi_ut_create_update_state_and_push (
object->index_field.index_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
status = acpi_ut_create_update_state_and_push (
object->index_field.data_obj, action, &state_list);
if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ goto error_exit;
}
break;
case ACPI_TYPE_REGION:
- case INTERNAL_TYPE_REFERENCE:
+ case ACPI_TYPE_LOCAL_REFERENCE:
+ default:
/* No subobjects */
break;
}
-
/*
* Now we can update the count in the main object. This can only
* happen after we update the sub-objects in case this causes the
@@ -534,20 +541,26 @@
*/
acpi_ut_update_ref_count (object, action);
-
/* Move on to the next object to be updated */
state = acpi_ut_pop_generic_state (&state_list);
}
-
return_ACPI_STATUS (AE_OK);
+
+
+error_exit:
+
+ ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
+ acpi_format_exception (status)));
+
+ return_ACPI_STATUS (status);
}
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_add_reference
+ * FUNCTION: acpi_ut_add_reference
*
* PARAMETERS: *Object - Object whose reference count is to be
* incremented
@@ -560,31 +573,28 @@
void
acpi_ut_add_reference (
- acpi_operand_object *object)
+ union acpi_operand_object *object)
{
- FUNCTION_TRACE_PTR ("Ut_add_reference", object);
+ ACPI_FUNCTION_TRACE_PTR ("ut_add_reference", object);
- /*
- * Ensure that we have a valid object
- */
+ /* Ensure that we have a valid object */
+
if (!acpi_ut_valid_internal_object (object)) {
return_VOID;
}
- /*
- * We have a valid ACPI internal object, now increment the reference count
- */
- acpi_ut_update_object_reference (object, REF_INCREMENT);
+ /* Increment the reference count */
+ (void) acpi_ut_update_object_reference (object, REF_INCREMENT);
return_VOID;
}
/*******************************************************************************
*
- * FUNCTION: Acpi_ut_remove_reference
+ * FUNCTION: acpi_ut_remove_reference
*
* PARAMETERS: *Object - Object whose ref count will be decremented
*
@@ -596,10 +606,11 @@
void
acpi_ut_remove_reference (
- acpi_operand_object *object)
+ union acpi_operand_object *object)
{
- FUNCTION_TRACE_PTR ("Ut_remove_reference", object);
+ ACPI_FUNCTION_TRACE_PTR ("ut_remove_reference", object);
+
/*
* Allow a NULL pointer to be passed in, just ignore it. This saves
@@ -607,18 +618,17 @@
*
*/
if (!object ||
- (VALID_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_NAMED))) {
+ (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED)) {
return_VOID;
}
- /*
- * Ensure that we have a valid object
- */
+ /* Ensure that we have a valid object */
+
if (!acpi_ut_valid_internal_object (object)) {
return_VOID;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Obj %p Refs=%X\n",
+ ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Obj %p Refs=%X\n",
object, object->common.reference_count));
/*
@@ -626,7 +636,7 @@
* if the reference count becomes 0. (Must also decrement the ref count
* of all subobjects!)
*/
- acpi_ut_update_object_reference (object, REF_DECREMENT);
+ (void) acpi_ut_update_object_reference (object, REF_DECREMENT);
return_VOID;
}
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TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)