diff gsm-fw/nucleus/quf.c @ 143:afceeeb2cba1

Our nuc-fw is destined to become gsm-fw, so I went ahead and did the big hg mv
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 12 Nov 2013 05:35:48 +0000
parents nuc-fw/nucleus/quf.c@947b1f473960
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/nucleus/quf.c	Tue Nov 12 05:35:48 2013 +0000
@@ -0,0 +1,391 @@
+/*************************************************************************/
+/*                                                                       */
+/*               Copyright Mentor Graphics Corporation 2002              */
+/*                         All Rights Reserved.                          */
+/*                                                                       */
+/* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS  */
+/* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS   */
+/* SUBJECT TO LICENSE TERMS.                                             */
+/*                                                                       */
+/*************************************************************************/
+
+/*************************************************************************/
+/*                                                                       */
+/* FILE NAME                                               VERSION       */
+/*                                                                       */
+/*      quf.c                                          Nucleus PLUS 1.14 */
+/*                                                                       */
+/* COMPONENT                                                             */
+/*                                                                       */
+/*      QU - Queue Management                                            */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This file contains routines to obtain facts about the Queue      */
+/*      management component.                                            */
+/*                                                                       */
+/* DATA STRUCTURES                                                       */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* FUNCTIONS                                                             */
+/*                                                                       */
+/*      QUF_Established_Queues              Number of created queues     */
+/*      QUF_Queue_Information               Retrieve queue information   */
+/*      QUF_Queue_Pointers                  Build queue pointer list     */
+/*                                                                       */
+/* DEPENDENCIES                                                          */
+/*                                                                       */
+/*      cs_extr.h                           Common Service functions     */
+/*      tc_extr.h                           Thread Control functions     */
+/*      qu_extr.h                           Queue functions              */
+/*      hi_extr.h                           History functions            */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*         DATE                    REMARKS                               */
+/*                                                                       */
+/*      03-01-1994      Initial version of queue fact                    */
+/*                        service file, version 1.1                      */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*      04-17-1996      updated to version 1.2                           */
+/*      11-18-1996      Protected Informational service                  */
+/*                      from NULL Control Block pointers                 */
+/*                      creating 1.2a. (SPR220)                          */
+/*      03-24-1998      Released version 1.3.                            */
+/*      03-26-1999      Released 1.11m (new release                      */
+/*                        numbering scheme)                              */
+/*      04-17-2002      Released version 1.13m                           */
+/*      11-07-2002      Released version 1.14                            */
+/*************************************************************************/
+#define         NU_SOURCE_FILE
+
+
+#include        "cs_extr.h"                 /* Common service functions  */
+#include        "tc_extr.h"                 /* Thread control functions  */
+#include        "qu_extr.h"                 /* Queue functions           */
+#include        "hi_extr.h"                 /* History functions         */
+
+
+/* Define external inner-component global data references.  */
+
+extern CS_NODE         *QUD_Created_Queues_List;
+extern UNSIGNED         QUD_Total_Queues;
+extern TC_PROTECT       QUD_List_Protect;
+
+
+
+/*************************************************************************/
+/*                                                                       */
+/* FUNCTION                                                              */
+/*                                                                       */
+/*      QUF_Established_Queues                                           */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This function returns the current number of established          */
+/*      queues.  Queues previously deleted are no longer considered      */
+/*      established.                                                     */
+/*                                                                       */
+/* CALLED BY                                                             */
+/*                                                                       */
+/*      Application                                                      */
+/*                                                                       */
+/* CALLS                                                                 */
+/*                                                                       */
+/*      [TCT_Check_Stack]                   Stack checking function      */
+/*                                                                       */
+/* INPUTS                                                                */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* OUTPUTS                                                               */
+/*                                                                       */
+/*      QUD_Total_Queues                    Number of established        */
+/*                                            queues                     */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*        DATE                    REMARKS                                */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      03-01-1994      Modified function interface,                     */
+/*                      resulting in version 1.1                         */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*                                                                       */
+/*************************************************************************/
+UNSIGNED  QUF_Established_Queues(VOID)
+{
+
+
+#ifdef  NU_ENABLE_STACK_CHECK
+
+    /* Call stack checking function to check for an overflow condition.  */
+    TCT_Check_Stack();
+
+#endif
+
+    /* Return the number of established queues.  */
+    return(QUD_Total_Queues);
+}
+
+
+/*************************************************************************/
+/*                                                                       */
+/* FUNCTION                                                              */
+/*                                                                       */
+/*      QUF_Queue_Pointers                                               */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This function builds a list of queue pointers, starting at the   */
+/*      specified location.  The number of queue pointers placed in the  */
+/*      list is equivalent to the total number of queues or the maximum  */
+/*      number of pointers specified in the call.                        */
+/*                                                                       */
+/* CALLED BY                                                             */
+/*                                                                       */
+/*      Application                                                      */
+/*                                                                       */
+/* CALLS                                                                 */
+/*                                                                       */
+/*      [TCT_Check_Stack]                   Stack checking function      */
+/*      TCT_Protect                         Protect created list         */
+/*      TCT_Unprotect                       Release protection           */
+/*                                                                       */
+/* INPUTS                                                                */
+/*                                                                       */
+/*      pointer_list                        Pointer to the list area     */
+/*      maximum_pointers                    Maximum number of pointers   */
+/*                                                                       */
+/* OUTPUTS                                                               */
+/*                                                                       */
+/*      pointers                            Number of queue pointers     */
+/*                                            placed in the list         */
+/* HISTORY                                                               */
+/*                                                                       */
+/*        DATE                    REMARKS                                */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      08-09-1993      Corrected pointer retrieval                      */
+/*                      loop, resulting in version 1.0a                  */
+/*      08-09-1993      Verified version 1.0a                            */
+/*      03-01-1994      Modified function interface,                     */
+/*                      resulting in version 1.1                         */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*                                                                       */
+/*************************************************************************/
+UNSIGNED  QUF_Queue_Pointers(NU_QUEUE **pointer_list,UNSIGNED maximum_pointers)
+{
+CS_NODE         *node_ptr;                  /* Pointer to each QCB       */
+UNSIGNED         pointers;                  /* Number of pointers in list*/
+NU_SUPERV_USER_VARIABLES
+
+    /* Switch to supervisor mode */
+    NU_SUPERVISOR_MODE();
+
+#ifdef  NU_ENABLE_STACK_CHECK
+
+    /* Call stack checking function to check for an overflow condition.  */
+    TCT_Check_Stack();
+
+#endif
+
+    /* Initialize the number of pointers returned.  */
+    pointers =  0;
+
+    /* Protect against access to the list of created queues.  */
+    TCT_Protect(&QUD_List_Protect);
+
+    /* Loop until all queue pointers are in the list or until the maximum
+       list size is reached.  */
+    node_ptr =  QUD_Created_Queues_List;
+    while ((node_ptr) && (pointers < maximum_pointers))
+    {
+
+        /* Place the node into the destination list.  */
+        *pointer_list++ =  (NU_QUEUE *) node_ptr;
+
+        /* Increment the pointers variable.  */
+        pointers++;
+
+        /* Position the node pointer to the next node.  */
+        node_ptr =  node_ptr -> cs_next;
+
+        /* Determine if the pointer is at the head of the list.  */
+        if (node_ptr == QUD_Created_Queues_List)
+
+            /* The list search is complete.  */
+            node_ptr =  NU_NULL;
+    }
+
+    /* Release protection against access to the list of created queues.  */
+    TCT_Unprotect();
+
+    /* Return to user mode */
+    NU_USER_MODE();
+
+    /* Return the number of pointers in the list.  */
+    return(pointers);
+}
+
+
+/*************************************************************************/
+/*                                                                       */
+/* FUNCTION                                                              */
+/*                                                                       */
+/*      QUF_Queue_Information                                            */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This function returns information about the specified queue.     */
+/*      However, if the supplied queue pointer is invalid, the           */
+/*      function simply returns an error status.                         */
+/*                                                                       */
+/* CALLED BY                                                             */
+/*                                                                       */
+/*      Application                                                      */
+/*                                                                       */
+/* CALLS                                                                 */
+/*                                                                       */
+/*      [TCT_Check_Stack]                   Stack checking function      */
+/*      TCT_System_Protect                  Protect queue                */
+/*      TCT_Unprotect                       Release protection           */
+/*                                                                       */
+/* INPUTS                                                                */
+/*                                                                       */
+/*      queue_ptr                           Pointer to the queue         */
+/*      name                                Destination for the name     */
+/*      start_address                       Destination for the start    */
+/*                                            address of the queue       */
+/*      queue_size                          Destination for queue size   */
+/*      available                           Destination for available    */
+/*                                            room in queue              */
+/*      messages                            Destination for number of    */
+/*                                            messages queued            */
+/*      message_type                        Destination for message type */
+/*      message_size                        Destination for message size */
+/*      suspend_type                        Destination for suspension   */
+/*                                            type                       */
+/*      tasks_waiting                       Destination for the tasks    */
+/*                                            waiting count              */
+/*      first_task                          Destination for the pointer  */
+/*                                            to the first task waiting  */
+/*                                                                       */
+/* OUTPUTS                                                               */
+/*                                                                       */
+/*      NU_SUCCESS                          If a valid queue pointer     */
+/*                                            is supplied                */
+/*      NU_INVALID_QUEUE                    If queue pointer invalid     */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*        DATE                    REMARKS                                */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      03-01-1994      Modified function interface,                     */
+/*                      changed protection logic,                        */
+/*                      resulting in version 1.1                         */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*      11-18-1996      Corrected SPR220.                                */
+/*                                                                       */
+/*************************************************************************/
+STATUS  QUF_Queue_Information(NU_QUEUE *queue_ptr, CHAR *name,
+                  VOID **start_address, UNSIGNED *queue_size,
+                  UNSIGNED *available, UNSIGNED *messages,
+                  OPTION *message_type, UNSIGNED *message_size,
+                  OPTION *suspend_type, UNSIGNED *tasks_waiting,
+                  NU_TASK **first_task)
+{
+
+QU_QCB         *queue;                      /* Queue control block ptr   */
+INT             i;                          /* Working integer variable  */
+STATUS          completion;                 /* Completion status         */
+NU_SUPERV_USER_VARIABLES
+
+    /* Switch to supervisor mode */
+    NU_SUPERVISOR_MODE();
+
+    /* Move input queue pointer into internal pointer.  */
+    queue =  (QU_QCB *) queue_ptr;
+
+
+#ifdef  NU_ENABLE_STACK_CHECK
+
+    /* Call stack checking function to check for an overflow condition.  */
+    TCT_Check_Stack();
+
+#endif
+
+    /* Determine if this queue id is valid.  */
+    if ((queue != NU_NULL) && (queue -> qu_id == QU_QUEUE_ID))
+    {
+
+        /* Setup protection of the queue.  */
+        TCT_System_Protect();
+
+        /* The queue pointer is valid.  Reflect this in the completion
+           status and fill in the actual information.  */
+        completion =  NU_SUCCESS;
+
+        /* Copy the queue's name.  */
+        for (i = 0; i < NU_MAX_NAME; i++)
+            *name++ =  queue -> qu_name[i];
+
+        /* Determine the suspension type.  */
+        if (queue -> qu_fifo_suspend)
+            *suspend_type =  NU_FIFO;
+        else
+            *suspend_type =  NU_PRIORITY;
+
+        /* Determine the message type.  */
+        if (queue -> qu_fixed_size)
+            *message_type =  NU_FIXED_SIZE;
+        else
+            *message_type =  NU_VARIABLE_SIZE;
+
+        /* Get various information about the queue.  */
+        *start_address =  (UNSIGNED *) queue -> qu_start;
+        *queue_size =     queue -> qu_queue_size;
+        *available =      queue -> qu_available;
+        *messages =       queue -> qu_messages;
+        *message_size =   queue -> qu_message_size;
+
+        /* Retrieve the number of tasks waiting and the pointer to the
+           first task waiting.  */
+        *tasks_waiting =  queue -> qu_tasks_waiting;
+        if (queue -> qu_suspension_list)
+
+            /* There is a task waiting.  */
+            *first_task =  (NU_TASK *)
+                (queue -> qu_suspension_list) -> qu_suspended_task;
+        else
+
+            /* There are no tasks waiting.  */
+            *first_task =  NU_NULL;
+
+        /* Release protection of the queue.  */
+        TCT_Unprotect();
+    }
+    else
+
+        /* Indicate that the queue pointer is invalid.   */
+        completion =  NU_INVALID_QUEUE;
+
+    /* Return to user mode */
+    NU_USER_MODE();
+
+    /* Return the appropriate completion status.  */
+    return(completion);
+}
+
+
+
+