/usr/include/ug/if.h is in libug-dev 3.12.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
/****************************************************************************/
/* */
/* File: if.h */
/* */
/* Purpose: include file for DDD interface module */
/* */
/* Author: Klaus Birken */
/* Rechenzentrum Uni Stuttgart */
/* Universitaet Stuttgart */
/* Allmandring 30 */
/* 70550 Stuttgart */
/* internet: birken@rus.uni-stuttgart.de */
/* */
/* History: 94/09/21 kb extracted from if.c */
/* 96/01/16 kb added DDD_OBJ shortcut to ifHead and ifAttr */
/* */
/* Remarks: */
/* */
/****************************************************************************/
/* RCS_ID
$Header$
*/
#ifndef __DDD_IF_H__
#define __DDD_IF_H__
/****************************************************************************/
/* */
/* auto include mechanism and other include files */
/* */
/****************************************************************************/
#include "basic/memutil.h"
/****************************************************************************/
/* */
/* defines in the following order */
/* */
/* compile time constants defining static data size (i.e. arrays) */
/* other constants */
/* macros */
/* */
/****************************************************************************/
START_UGDIM_NAMESPACE
/*
#define CtrlTimeouts
#define CtrlTimeoutsDetailed
*/
/* maximum number of interfaces */
#define MAX_IF 32
/* maximum length of interface description string */
#define IF_NAMELEN 80
enum CplDir {
DirAB = 0x01,
DirBA = 0x02,
DirABA = DirAB|DirBA
};
/* macros for easier coding of replicated source code */
/* loop over one interface (all ifHeads) */
#define ForIF(id,iter) for((iter)=NS_DIM_PREFIX theIF[(id)].ifHead; \
(iter)!=NULL; \
(iter)=(iter)->next)
#ifdef CPP_FRONTEND
typedef DDD_Object* IFObjPtr;
#else
typedef DDD_OBJ IFObjPtr;
#endif
/****************************************************************************/
/* */
/* data structures */
/* */
/****************************************************************************/
/****************************************************************************/
/* IF_ATTR: single part of interface, all couplings have same attr */
/****************************************************************************/
typedef struct if_attr
{
struct if_attr *next;
/* note: the cplXX resp. objXX arrays are NOT contiguous in memory */
COUPLING **cplAB, **cplBA, **cplABA;
IFObjPtr *objAB, *objBA, *objABA; /* object shortcut */
int nItems, nAB, nBA, nABA;
DDD_ATTR attr;
} IF_ATTR;
/****************************************************************************/
/* IF_PROC: descriptor of message and its contents/buffers for IF-communic. */
/****************************************************************************/
typedef struct if_proc
{
struct if_proc *next;
IF_ATTR *ifAttr;
int nAttrs;
/* note: the cplXX resp. objXX arrays ARE contiguous in memory */
COUPLING **cpl, **cplAB, **cplBA, **cplABA;
IFObjPtr *obj, *objAB, *objBA, *objABA; /* object shortcut */
int nItems, nAB, nBA, nABA;
DDD_PROC proc;
VChannelPtr vc;
msgid msgIn;
msgid msgOut;
Buffer bufIn;
Buffer bufOut;
} IF_PROC;
/****************************************************************************/
/* IF_DEF: descriptor for one single interface */
/****************************************************************************/
typedef struct if_def
{
IF_PROC *ifHead;
COUPLING **cpl; /* list of couplings belonging to interface */
int nItems; /* overall number of items in this interface */
IFObjPtr *obj; /* shortcut: list of object addresses in interf */
int objValid; /* flag: is obj-table valid? */
int nIfHeads;
int nObjStruct;
int nPrioA;
int nPrioB;
DDD_TYPE O[16];
DDD_PRIO A[16];
DDD_PRIO B[16];
/* data for efficiency tuning */
int maskO;
/* data for nice user interaction */
char name[IF_NAMELEN+1]; /* string for interface identification */
} IF_DEF;
/****************************************************************************/
/* */
/* definition of variables for corresponding module */
/* */
/****************************************************************************/
extern IF_DEF theIF[MAX_IF];
extern int nIFs;
/****************************************************************************/
/* */
/* function declarations */
/* */
/****************************************************************************/
/* ifuse.c */
void IFGetMem (IF_PROC *, size_t, int, int);
int IFInitComm (DDD_IF);
void IFExitComm (DDD_IF);
void IFInitSend (IF_PROC *);
int IFPollSend (DDD_IF);
#ifdef CPP_FRONTEND
char* IFCommLoopObjGather (DDD_GatherScatter&, IFObjPtr*, char*, size_t, int);
char* IFCommLoopObjScatter (DDD_GatherScatter&, IFObjPtr*, char*, size_t, int);
#else
char * IFCommLoopObj (ComProcPtr, IFObjPtr *, char *, size_t, int);
#endif
#ifndef CPP_FRONTEND
char * IFCommLoopCpl (ComProcPtr, COUPLING **, char *, size_t, int);
char * IFCommLoopCplX (ComProcXPtr, COUPLING **, char *, size_t , int);
#endif
#ifndef CPP_FRONTEND
void IFExecLoopObj (ExecProcPtr, IFObjPtr *, int);
void IFExecLoopCplX (ExecProcXPtr, COUPLING **, int);
#endif
char * IFCommHdrLoopCpl (ComProcHdrPtr, COUPLING **, char *, size_t, int);
char * IFCommHdrLoopCplX (ComProcHdrXPtr, COUPLING **, char *, size_t, int);
void IFExecHdrLoopCpl (ExecProcHdrPtr, COUPLING **, int);
void IFExecHdrLoopCplX (ExecProcHdrXPtr, COUPLING **, int);
/* ifobjsc.c */
void IFCreateObjShortcut (DDD_IF);
void IFCheckShortcuts (DDD_IF);
/****************************************************************************/
END_UGDIM_NAMESPACE
#endif
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