FreeCalypso > hg > fc-tourmaline
view src/nucleus/evi.c @ 10:775dba605f33
helpers: we are FC Tourmaline
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 16 Oct 2020 07:02:36 +0000 |
parents | 4e78acac3d88 |
children |
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/*************************************************************************/ /* */ /* 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 */ /* */ /* evi.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* EV - Event Group Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains the initialization routine for the Event */ /* Group Management component. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* EVI_Initialize Event Group Management Init */ /* */ /* DEPENDENCIES */ /* */ /* ev_defs.h Event Group component const. */ /* */ /* 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 "ev_defs.h" /* Event Group constants */ #include "ev_extr.h" /* Event Group interfaces */ /* Define external inner-component global data references. */ extern CS_NODE *EVD_Created_Event_Groups_List; extern UNSIGNED EVD_Total_Event_Groups; extern TC_PROTECT EVD_List_Protect; /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* EVI_Initialize */ /* */ /* DESCRIPTION */ /* */ /* This function initializes the data structures that control the */ /* operation of the Event Group component (EV). There are no */ /* event groups 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 */ /* */ /* EVD_Created_Event_Groups_List List of created event groups */ /* EVD_Total_Event_Groups Number of created event */ /* groups */ /* EVD_List_Protect Protection for event group */ /* list */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* */ /*************************************************************************/ VOID EVI_Initialize(VOID) { NU_SUPERV_USER_VARIABLES /* Switch to supervisor mode */ NU_SUPERVISOR_MODE(); /* Initialize the created event group list to NU_NULL. */ EVD_Created_Event_Groups_List = NU_NULL; /* Initialize the total number of created event groups to 0. */ EVD_Total_Event_Groups = 0; /* Initialize the list protection structure. */ EVD_List_Protect.tc_tcb_pointer = NU_NULL; /* Return to user mode */ NU_USER_MODE(); }