/usr/include/lam/dl_inet.h is in lam4-dev 7.1.4-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2001-2003 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 1998-2001 University of Notre Dame.
* All rights reserved.
* Copyright (c) 1994-1998 The Ohio State University.
* All rights reserved.
*
* This file is part of the LAM/MPI software package. For license
* information, see the LICENSE file in the top level directory of the
* LAM/MPI source distribution.
*
* $HEADER$
*
* $Id: dl_inet.h,v 6.9 2003/03/25 00:34:01 jsquyres Exp $
*
* Function: - dli/dlo_inet constants and templates
*/
#ifndef LAM_DL_INET
#define LAM_DL_INET
#include <sys/types.h>
#include <netinet/in.h>
#include <lam_config.h>
#include <portable.h>
#include <net.h>
/*
* dli/dlo common constants
*/
#define TO_DLO_ESTIMATE 200 /* timeout estimate count trigger */
#define DLDEFPORT 5555 /* default dl_inet port */
#define DLMAXSEQ 0x40000000 /* max sequence # */
#define DLMINFRAMELEN (sizeof(struct dlframe) - MAXNMSGLEN)
/* header-only frame size */
/*
* dlo constants
*/
#define DOSLOTCNT 8 /* max # window slots */
#define DOMAXPENDING 3 /* max # pending messages */
#define DOMAXSTALE ((int) (LAM_TO_DLO_IDLE / (LAM_TO_DLO_ACK / 1000000.0)))
/* causes an alive message */
#ifndef DOMAXRESEND
#define DOMAXRESEND 300 /* max # resends per message */
#endif
/*
* dlo slot flags
*/
#define DORESEND 1 /* resend-on-timeout flag */
#define DOPENDING 2 /* message pending */
#define DORESERVED 4 /* reserved for receive */
/*
* sequence macros
*/
#define seqinc(a) ((a + 1) % DLMAXSEQ)
#define seqmin(a, b) (((b - a) > 0) ? (((b - a) > (DLMAXSEQ / 2)) ? b : a) : \
(((a - b) > (DLMAXSEQ / 2)) ? a : b))
/*
* dlo requests
*/
#define DOQSETLINK 0
#define DOQREMLINK 1
#define DOQGETLINKS 2
#define DOQVOPEN 3 /* open dlo valve */
#define DOQVCLOSE 4 /* close dlo valve */
/*
* dli requests
*/
#define DIQSETLINK 0
#define DIQSANITY 1
#define DIQREMLINK 2
/*
* dlo request template
*/
struct doreq {
int4 doq_req; /* request code */
int4 doq_src_node; /* client node */
int4 doq_src_event; /* client event */
int4 doq_link; /* output link */
int4 doq_extra; /* extra information */
};
/*
* dlo reply
*/
struct doreply {
int4 dor_reply; /* reply code */
int4 dor_nlinks; /* # datalinks */
};
/*
* dli request
*/
struct direq {
int4 diq_req; /* request code */
int4 diq_src_node; /* client node */
int4 diq_src_event; /* client event */
int4 diq_link;
int4 diq_type;
int4 diq_ncpus;
};
/*
* dli reply
*/
struct direply {
int4 dir_reply; /* reply code */
};
/*
* output datalink
*/
struct dolink {
int4 dol_link; /* link number */
int4 dol_seqgive; /* next assignable sequence # */
int4 dol_seqsend; /* next sendable sequence # */
int4 dol_npending; /* # pending seq. # */
int4 dol_idle; /* idle timeout periods */
struct sockaddr_in
dol_addr; /* dli socket address */
};
/*
* extra information from startup protocols
*/
struct diinfo {
int4 dii_num_cpus;
int4 dii_node_type;
};
/*
* input datalink
*/
struct dilink {
int4 dil_link; /* link number */
int4 dil_seqrecv; /* next recvable sequence # */
struct sockaddr_in
dil_addr; /* dli socket address */
};
/*
* network portion of struct nmsg
*/
struct dlheader {
int4 dlh_node;
int4 dlh_event;
int4 dlh_type;
int4 dlh_length;
int4 dlh_flags;
int4 dlh_data[NHDSIZE];
};
/*
* datalink frame
*/
struct dlframe {
int4 dlf_src_node; /* message source node */
int4 dlf_seqnum; /* message sequence # */
struct dlheader dlf_msghead; /* message header */
char dlf_msg[MAXNMSGLEN];
/* message body */
};
struct doslot {
int4 dos_link; /* outgoing link */
int4 dos_flags; /* slot status flags */
int4 dos_resend; /* # resends */
struct dlframe dos_frame; /* datalink frame */
};
struct dlack {
int4 dla_seqnum; /* ack sequence # */
int4 dla_destid; /* destination node */
};
#ifdef __cplusplus
extern "C" {
#endif
extern int ldogetlinks __ARGS((struct dolink **pdol,int4 *pndol));
extern int ldosetlink __ARGS((struct dolink *pdol));
extern int ldoremlink __ARGS((int4 link));
#ifdef __cplusplus
}
#endif
#endif /* LAM_DL_INET */
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