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-/**
-** @file compat.h
-**
-** @author Warren R. Carithers
-**
-** @brief Compatibility definitions for standard modules.
-**
-** These definitions are here to simplify the integration
-** of some pre-written modules into the 452 baseline system.
-** This is used primarily for the 'kmem' and 'sio' modules.
-**
-** We use CPP symbols and not actual data types for things here,
-** as this means we don't need to include any other header files
-** into this file. This helps get around "include loops" (e.g.,
-** a.h includes b.h, which includes c.h, which includes a.h) when
-** there are many interdependencies between source files.
-*/
-
-#ifndef COMPAT_H_
-#define COMPAT_H_
-
-#include <common.h>
-#include <procs.h>
-
-/*
-** Section 1: sized integer types
-**
-** Internally, we use standard names for "sized" integer types for
-** simplicity. If those disagree with the names used in the rest of
-** the system, we take the opportunity to define our names here.
-**
-** To enable these, uncomment them, and place the apropriate
-** existing type names in place of the '?' characters.
-*/
-
-// standard "sized integer" types
-// #define int8_t ?
-// #define uint8_t ?
-// #define int16_t ?
-// #define uint16_t ?
-// #define int32_t ?
-// #define uint32_t ?
-// #define int64_t ?
-// #define uint64_t ?
-// #define bool_t ?
-
-/*
-** Section 2: other types
-**
-** Add type definitions here as needed.
-**
-** Note: we do not include the PCB and Queue declarations
-** here because we don't actually need them in this header
-** file - we're only defining CPP macros. Whatever file
-** uses these macros, however, must include the appropriate
-** headers if it uses these macros.
-**
-** To enable these, uncomment them, and place the apropriate
-** existing type names in place of the '?' characters.
-*/
-
-// type name for the PCB
-#define PCBTYPE pcb_t
-
-// type name for our queue
-#define QTYPE pcb_queue_t
-
-/*
-** Section 3: interface and behavior
-**
-** Include #define statements here as needed to define
-** the names of functions and globals used in these modules
-** in terms of the names used in the rest of the baseline.
-**
-** To enable these, uncomment them, and place the apropriate
-** existing variable or function names in place of the '?' characters.
-*/
-
-// string functions
-#define SLENGTH strlen
-
-// scheduler
-#define SCHED schedule
-
-// dispatcher
-#define DISPATCH dispatch
-
-/*
-** blocked queue for reading processes
-**
-** Define this if we are blocking processes which try to
-** read from the SIO when no characters are available.
-** Its value should be the name of the globally-visible
-** queue to be used.
-*/
-#define QNAME sioread
-
-#ifdef QNAME
-
-// Only define these macros if we need to be able to create and
-// manage a queue of things. It is expected that these will need
-// to be customized based on the names and calling sequences of
-// the appropriate functions.
-
-// invoke the queue creation function
-// examples:
-//
-// #define QCREATE(q) do {
-// _que_create( &(q), NULL );
-// } while(0)
-//
-// #define QCREATE(q) // do nothing
-
-#define QCREATE(q) // handled elsewhere for us
-
-// check to see if the queue is empty
-// examples:
-//
-// #define QEMPTY(q) queue_is_empty(q)
-// #define QEMPTY(q) (quene_length(q) > 0)
-#define QEMPTY(q) pcb_queue_empty(q)
-
-// this macro expands into code that removes a value from
-// 'q' and places it into 'd'
-#define QDEQUE(q,d) do { \
- assert(pcb_queue_remove( (q), (pcb_t **) &(d) ) == SUCCESS ); \
- } while(0)
-
-#endif /* QNAME */
-
-#endif