diff src/nucleus/sm_defs.h @ 7:0f80e1e4dce4

src/nucleus: library C code import from FreeNucleus package
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 20:57:33 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nucleus/sm_defs.h	Sun Jul 15 20:57:33 2018 +0000
@@ -0,0 +1,112 @@
+/*************************************************************************/
+/*                                                                       */
+/*               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       */
+/*                                                                       */
+/*      sm_defs.h                                      Nucleus PLUS 1.14 */
+/*                                                                       */
+/* COMPONENT                                                             */
+/*                                                                       */
+/*      SM - Semaphore Management                                        */
+/*                                                                       */
+/* DESCRIPTION                                                           */
+/*                                                                       */
+/*      This file contains data structure definitions and constants for  */
+/*      the Semaphore component.                                         */
+/*                                                                       */
+/* DATA STRUCTURES                                                       */
+/*                                                                       */
+/*      SM_SCB                              Semaphore control block      */
+/*      SM_SUSPEND                          Semaphore suspension block   */
+/*                                                                       */
+/* FUNCTIONS                                                             */
+/*                                                                       */
+/*      None                                                             */
+/*                                                                       */
+/* DEPENDENCIES                                                          */
+/*                                                                       */
+/*      cs_defs.h                           Common service definitions   */
+/*      tc_defs.h                           Thread Control definitions   */
+/*                                                                       */
+/* HISTORY                                                               */
+/*                                                                       */
+/*         DATE                    REMARKS                               */
+/*                                                                       */
+/*      03-01-1993      Created initial version 1.0                      */
+/*      04-19-1993      Verified version 1.0                             */
+/*      03-01-1994      Moved include files outside of                   */
+/*                      the file #ifndef to allow the                    */
+/*                      use of actual data structures,                   */
+/*                      removed protection structure,                    */
+/*                      put padding into structure,                      */
+/*                      resulting in version 1.1                         */
+/*                                                                       */
+/*      03-18-1994      Verified version 1.1                             */
+/*      04-17-1996      updated to version 1.2                           */
+/*      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                            */
+/*************************************************************************/
+
+#include        "cs_defs.h"                 /* Common service constants  */
+#include        "tc_defs.h"                 /* Thread control constants  */
+
+
+/* Check to see if the file has been included already.  */
+
+#ifndef SM_DEFS
+#define SM_DEFS
+
+
+/* Define constants local to this component.  */
+
+#define         SM_SEMAPHORE_ID         0x53454d41UL
+
+
+/* Define the Semaphore Control Block data type.  */
+
+typedef struct SM_SCB_STRUCT 
+{
+    CS_NODE             sm_created;            /* Node for linking to    */
+                                               /* created semaphore list */
+    UNSIGNED            sm_id;                 /* Internal SCB ID        */
+    CHAR                sm_name[NU_MAX_NAME];  /* Semaphore name         */
+    UNSIGNED            sm_semaphore_count;    /* Counting semaphore     */
+    BOOLEAN             sm_fifo_suspend;       /* Suspension type flag   */
+#if     PAD_1
+    DATA_ELEMENT        sm_padding[PAD_1];
+#endif
+    UNSIGNED            sm_tasks_waiting;      /* Number of waiting tasks*/
+    struct SM_SUSPEND_STRUCT
+                       *sm_suspension_list;    /* Suspension list        */
+} SM_SCB;    
+
+
+/* Define the semaphore suspension structure.  This structure is allocated 
+   off of the caller's stack.  */
+   
+typedef struct SM_SUSPEND_STRUCT
+{
+    CS_NODE             sm_suspend_link;       /* Link to suspend blocks */
+    SM_SCB             *sm_semaphore;          /* Pointer to semaphore   */
+    TC_TCB             *sm_suspended_task;     /* Task suspended         */
+    STATUS              sm_return_status;      /* Return status          */
+} SM_SUSPEND;
+
+#endif
+
+
+
+