FreeCalypso > hg > fc-selenite
diff src/nucleus/mb_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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/nucleus/mb_defs.h Sun Jul 15 20:57:33 2018 +0000 @@ -0,0 +1,118 @@ +/*************************************************************************/ +/* */ +/* 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 */ +/* */ +/* mb_defs.h Nucleus PLUS 1.14 */ +/* */ +/* COMPONENT */ +/* */ +/* MB - Mailbox Management */ +/* */ +/* DESCRIPTION */ +/* */ +/* This file contains data structure definitions and constants for */ +/* the message Mailbox component. */ +/* */ +/* DATA STRUCTURES */ +/* */ +/* MB_MCB Mailbox control block */ +/* MB_SUSPEND Mailbox 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 */ +/* inside of each mailbox, added */ +/* padding logic, 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 MB_DEFS +#define MB_DEFS + + +/* Define constants local to this component. */ + +#define MB_MAILBOX_ID 0x4d424f58UL +#define MB_MESSAGE_SIZE 4 + + +/* Define the Mailbox Control Block data type. */ + +typedef struct MB_MCB_STRUCT +{ + CS_NODE mb_created; /* Node for linking to */ + /* created mailbox list */ + UNSIGNED mb_id; /* Internal MCB ID */ + CHAR mb_name[NU_MAX_NAME]; /* Mailbox name */ + BOOLEAN mb_message_present; /* Message present flag */ + BOOLEAN mb_fifo_suspend; /* Suspension type flag */ +#if PAD_2 + DATA_ELEMENT mb_padding[PAD_2]; +#endif + UNSIGNED mb_tasks_waiting; /* Number of waiting tasks*/ + UNSIGNED /* Message area */ + mb_message_area[MB_MESSAGE_SIZE]; + struct MB_SUSPEND_STRUCT + *mb_suspension_list; /* Suspension list */ +} MB_MCB; + + +/* Define the mailbox suspension structure. This structure is allocated off of + the caller's stack. */ + +typedef struct MB_SUSPEND_STRUCT +{ + CS_NODE mb_suspend_link; /* Link to suspend blocks */ + MB_MCB *mb_mailbox; /* Pointer to the mailbox */ + TC_TCB *mb_suspended_task; /* Task suspended */ + UNSIGNED *mb_message_area; /* Pointer to message area*/ + STATUS mb_return_status; /* Return status */ +} MB_SUSPEND; + +#endif + + + + +