FreeCalypso > hg > ffs-editor
diff src/nucleus/smi.c @ 0:92470e5d0b9e
src: partial import from FC Selenite
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 15 May 2020 01:28:16 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/nucleus/smi.c Fri May 15 01:28:16 2020 +0000 @@ -0,0 +1,125 @@ +/*************************************************************************/ +/* */ +/* 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 */ +/* */ +/* smi.c Nucleus PLUS 1.14 */ +/* */ +/* COMPONENT */ +/* */ +/* SM - Semaphore Management */ +/* */ +/* DESCRIPTION */ +/* */ +/* This file contains the initialization routine for the semaphore */ +/* management component. */ +/* */ +/* DATA STRUCTURES */ +/* */ +/* None */ +/* */ +/* FUNCTIONS */ +/* */ +/* SMI_Initialize Semaphore Management Init. */ +/* */ +/* DEPENDENCIES */ +/* */ +/* sm_defs.h Semaphore component constants*/ +/* */ +/* HISTORY */ +/* */ +/* DATE REMARKS */ +/* */ +/* 03-01-1993 Created initial version 1.0 */ +/* 04-19-1993 Verified version 1.0 */ +/* 03-01-1994 Modified copyright, 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 */ +/*************************************************************************/ +#define NU_SOURCE_FILE + + +#include "sm_defs.h" /* Semaphore constants */ +#include "sm_extr.h" /* Semaphore interfaces */ + + +/* Define external inner-component global data references. */ + +extern CS_NODE *SMD_Created_Semaphores_List; +extern UNSIGNED SMD_Total_Semaphores; +extern TC_PROTECT SMD_List_Protect; + + +/*************************************************************************/ +/* */ +/* FUNCTION */ +/* */ +/* SMI_Initialize */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function initializes the data structures that control the */ +/* operation of the Semaphore component (SM). There are no */ +/* semaphores initially. This routine must be called from */ +/* Supervisor mode in Supervisor/User mode switching kernels. */ +/* */ +/* CALLED BY */ +/* */ +/* INC_Initialize System initialization */ +/* */ +/* CALLS */ +/* */ +/* None */ +/* */ +/* INPUTS */ +/* */ +/* None */ +/* */ +/* OUTPUTS */ +/* */ +/* SMD_Created_Semaphores_List List of created semaphores */ +/* SMD_Total_Semaphores Number of created semaphores */ +/* SMD_List_Protect Protection for semaphore list*/ +/* */ +/* HISTORY */ +/* */ +/* DATE REMARKS */ +/* */ +/* 03-01-1993 Created initial version 1.0 */ +/* 04-19-1993 Verified version 1.0 */ +/* */ +/*************************************************************************/ +VOID SMI_Initialize(VOID) +{ + + /* Initialize the created semaphore list to NU_NULL. */ + SMD_Created_Semaphores_List = NU_NULL; + + /* Initialize the total number of created semaphores to 0. */ + SMD_Total_Semaphores = 0; + + /* Initialize the list protection structure. */ + SMD_List_Protect.tc_tcb_pointer = NU_NULL; +} + + + + +