FreeCalypso > hg > ffs-editor
diff src/nucleus/pi_defs.h @ 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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/nucleus/pi_defs.h Fri May 15 01:28:16 2020 +0000 @@ -0,0 +1,126 @@ +/*************************************************************************/ +/* */ +/* 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 */ +/* */ +/* pi_defs.h Nucleus PLUS 1.14 */ +/* */ +/* COMPONENT */ +/* */ +/* PI - Pipe Management */ +/* */ +/* DESCRIPTION */ +/* */ +/* This file contains data structure definitions and constants for */ +/* the message Pipe component. */ +/* */ +/* DATA STRUCTURES */ +/* */ +/* PI_PCB Pipe control block */ +/* PI_SUSPEND Pipe 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 PI_DEFS +#define PI_DEFS + + +/* Define constants local to this component. */ + +#define PI_PIPE_ID 0x50495045UL + + +/* Define the Pipe Control Block data type. */ + +typedef struct PI_PCB_STRUCT +{ + CS_NODE pi_created; /* Node for linking to */ + /* created pipe list */ + UNSIGNED pi_id; /* Internal PCB ID */ + CHAR pi_name[NU_MAX_NAME]; /* Pipe name */ + BOOLEAN pi_fixed_size; /* Fixed-size messages? */ + BOOLEAN pi_fifo_suspend; /* Suspension type flag */ +#if PAD_2 + DATA_ELEMENT pi_padding[PAD_2]; +#endif + UNSIGNED pi_pipe_size; /* Total size of pipe */ + UNSIGNED pi_messages; /* Messages in pipe */ + UNSIGNED pi_message_size; /* Size of each message */ + UNSIGNED pi_available; /* Available bytes */ + BYTE_PTR pi_start; /* Start of pipe area */ + BYTE_PTR pi_end; /* End of pipe area + 1 */ + BYTE_PTR pi_read; /* Read pointer */ + BYTE_PTR pi_write; /* Write pointer */ + UNSIGNED pi_tasks_waiting; /* Number of waiting tasks*/ + struct PI_SUSPEND_STRUCT + *pi_urgent_list; /* Urgent message suspend */ + struct PI_SUSPEND_STRUCT + *pi_suspension_list; /* Suspension list */ +} PI_PCB; + + +/* Define the Pipe suspension structure. This structure is allocated off of + the caller's stack. */ + +typedef struct PI_SUSPEND_STRUCT +{ + CS_NODE pi_suspend_link; /* Link to suspend blocks */ + PI_PCB *pi_pipe; /* Pointer to the pipe */ + TC_TCB *pi_suspended_task; /* Task suspended */ + BYTE_PTR pi_message_area; /* Pointer to message area*/ + UNSIGNED pi_message_size; /* Message size requested */ + UNSIGNED pi_actual_size; /* Actual size of message */ + STATUS pi_return_status; /* Return status */ +} PI_SUSPEND; + +#endif + + + + +