lib/dialects/osr/dstore.c - master - githubmirror/lsof

lib/dialects/osr/dstore.c
142 строки5 KB
Jiajie Chen
Change folder structure for library changes:
27 мар 2023, 14:44
27 мар 2023, 14:44439f90c
/*
 * dstore.c - SCO OpenServer global storage for lsof
 */

/*
 * Copyright 1995 Purdue Research Foundation, West Lafayette, Indiana
 * 47907.  All rights reserved.
 *
 * Written by Victor A. Abell
 *
 * This software is not subject to any license of the American Telephone
 * and Telegraph Company or the Regents of the University of California.
 *
 * Permission is granted to anyone to use this software for any purpose on
 * any computer system, and to alter it and redistribute it freely, subject
 * to the following restrictions:
 *
 * 1. Neither the authors nor Purdue University are responsible for any
 *    consequences of the use of this software.
 *
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Credit to the authors and Purdue
 *    University must appear in documentation and sources.
 *
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 *
 * 4. This notice may not be removed or altered.
 */

#ifndef lint
static char copyright[] =
    "@(#) Copyright 1995 Purdue Research Foundation.\nAll rights reserved.\n";
#endif

#include "common.h"

char **Cdevsw = NULL; /* names from kernel's cdevsw[].d_name */
int Cdevcnt = 0;      /* Cdevsw[] count */
int CloneMajor;       /* clone major device */

/*
 * Drive_Nl -- table to drive the building of Nl[] via build_Nl()
 *             (See lsof.h and misc.c.)
 */

struct drive_Nl Drive_Nl[] = {{"ncdev", "cdevcnt"},
                              {"cdev", "cdevsw"},
                              {"dnlc", "dnlc__cache"},         /* OSRV>=504 */
                              {"ndnlc", "dnlc__cacheents"},    /* OSRV>=504 */
                              {"pdnlc", "dnlc__cache_is_ptr"}, /* OSRV>=507 */
                              {"dtnc", "dtcache"}, /* 500<=OSRV<504 */
                              {"htnc", "htcache"}, /* 500<=OSRV<504 */
                              {"hz", "Hz"},
                              {"lbolt", "lbolt"},
                              {"nfnc", "ncache"},    /* HAS_NFS */
                              {"nnfnc", "nc_size"},  /* HAS_NFS */
                              {"nxdm", "nxdevmaps"}, /* OSRV>=40 */
                              {"pregpp", "pregpp"},  /* OSRV<500 */
                              {"proc", "proc"},
                              {"scouts", "scoutsname"}, /* OSRV>=500 */
                              {"sockd", "sockdev"},
                              {"sockt", "socktab"},
                              {"s5nc", "s5cache"}, /* OSRV<504 */
                              {"var", "v"},
                              {"ndtnc", "v_dtcacheents"}, /* 500<=OSRV<504 */
                              {"nhtnc", "v_htcacheents"}, /* 500<=OSRV<504 */
                              {"ns5nc", "v_s5cacheents"}, /* 500<=OSRV<504 */
                              {"xdm", "xdevmap"},         /* OSRV>=40 */
                              {NULL, NULL}};

int EventMajor;         /* event major device number */
char **Fsinfo = NULL;   /* file system information */
int Fsinfomax = 0;      /* maximum file system type */
int HaveCloneMajor = 0; /* have clone major device number = 1 */
int HaveEventMajor = 0; /* have event major device number */
int HaveSockdev = 0;    /* socket device number status: 1 = available */
int Hz = -1;            /* system clock frequency */
int Kd = -1;            /* /dev/kmem file descriptor */
KA_T Lbolt = (KA_T)0;   /* kernel's lbolt variable address */
int Sockdev;            /* socket device number */
KA_T Socktab = (KA_T)0; /* address of socket pointer table */

#if defined(HASFSTRUCT)
/*
 * Pff_tab[] - table for printing file flags
 */

struct pff_tab Pff_tab[] = {{(long)FREAD, FF_READ},
                            {(long)FWRITE, FF_WRITE},
                            {(long)FNDELAY, FF_NDELAY},
                            {(long)FAPPEND, FF_APPEND},
                            {(long)FNONBLOCK, FF_NBLOCK},
                            {(long)FRCACH, FF_RCACH},
                            {(long)FSTOPIO, FF_STOPIO},

#    if defined(FASYNC)
                            {(long)FASYNC, FF_ASYNC},
#    endif /* defined(FASYNC`) */

#    if defined(FNET)
                            {(long)FNET, FF_NET},
#    endif /* defined(FNET) */

#    if defined(FSYNC)
                            {(long)FSYNC, FF_SYNC},
#    endif /* defined(FSYNC) */

                            {(long)0, NULL}};

/*
 * Pof_tab[] - table for print process open file flags
 */

struct pff_tab Pof_tab[] = {

    {(long)EXCLOSE, POF_CLOEXEC},

#    if defined(AUD_READ)
    {(long)AUD_READ, POF_BNRD},
#    endif /* defined(AUD_READ) */

#    if defined(AUD_WRITE)
    {(long)AUD_WRITE, POF_BNWR},
#    endif /* defined(AUDWRITE) */

#    if defined(SEC_SIGHUPPED)
    {(long)SEC_SIGHUPPED, POF_BNHUP},
#    endif /* defined(SEC_SIGHUPPED) */

    {(long)0, NULL}};
#endif /* defined(HASFSTRUCT) */

#if OSRV >= 40
/*
 * The following items are needed by the internal kernel major()
 * and minor() macros for mapping extended minor numbers.
 */

int nxdevmaps = -1;      /* maximum kernel xdevmap[] index */
struct XDEVMAP *Xdevmap; /* dynamically allocated xdevmap[] */
#endif                   /* OSRV>=40 */