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

lib/dialects/linux/dstore.c
117 строк4 KB
Jiajie Chen
Change folder structure for library changes:
27 мар 2023, 14:44
27 мар 2023, 14:44439f90c
/*
 * dstore.c - Linux global storage for /proc-based lsof
 */

/*
 * Copyright 1997 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.
 */

#include "common.h"

int HasNFS = 0;       /* NFS mount point status:
                       *     1 == there is an NFS mount point,
                       *          but its device number is
                       *          unknown
                       *     2 == there is an NFS mount point
                       *          and its device number is
                       *          known
                       */
dev_t MqueueDev = -1; /* The number for the device behind
                       * mqueue mount point */
/* offset type:
 *     0 == unknown
 *     1 == lstat's st_size
 *     2 == from /proc/<PID>/fdinfo
 */
int OffType = OFFSET_UNKNOWN;

/*
 * Pff_tab[] - table for printing file flags
 */

struct pff_tab Pff_tab[] = {{(long)O_WRONLY, FF_WRITE},
                            {(long)O_RDWR, FF_RDWR},
                            {(long)O_CREAT, FF_CREAT},
                            {(long)O_EXCL, FF_EXCL},
                            {(long)O_NOCTTY, FF_NOCTTY},
                            {(long)O_TRUNC, FF_TRUNC},
                            {(long)O_APPEND, FF_APPEND},
                            {(long)O_NDELAY, FF_NDELAY},
                            {(long)O_SYNC, FF_SYNC},
                            {(long)O_ASYNC, FF_ASYNC},

#if defined(O_DIRECT)
                            {(long)O_DIRECT, FF_DIRECT},
#endif /* defined(O_DIRECT) */

#if defined(O_DIRECTORY)
                            {(long)O_DIRECTORY, FF_DIRECTORY},
#endif /* defined(O_DIRECTORY) */

#if defined(O_NOFOLLOW)
                            {(long)O_NOFOLLOW, FF_NOFOLNK},
#endif /* defined(O_NOFOLLOW) */

#if defined(O_NOATIME)
                            {(long)O_NOATIME, FF_NOATM},
#endif /* defined(O_NOATIME) */

#if defined(O_DSYNC)
                            {(long)O_DSYNC, FF_DSYNC},
#endif /* defined(O_DSYNC) */

#if defined(O_RSYNC)
                            {(long)O_RSYNC, FF_RSYNC},
#endif /* defined(O_RSYNC) */

#if defined(O_LARGEFILE)
#    if O_LARGEFILE == 0
                            {(long)0100000, FF_LARGEFILE},
#    else  /* O_LARGEFILE!=0 */
                            {(long)O_LARGEFILE, FF_LARGEFILE},
#    endif /* O_LARGEFILE==0 */
#else      /* !defined(O_LARGEFILE) */
                            {(long)0100000, FF_LARGEFILE},
#endif     /* defined(O_LARGEFILE) */

#if defined(O_CLOEXEC)
                            {(long)O_CLOEXEC, POF_CLOEXEC},
#endif /* defined(O_CLOEXEC) */

#if defined(O_PATH)
                            {(long)O_PATH, FF_PATH},
#endif /* defined(O_PATH) */

#if defined(O_TMPFILE)
                            {(long)O_TMPFILE, FF_TMPFILE},
#endif /* defined(O_TMPFILE) */

                            {(long)0, NULL}};

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

struct pff_tab Pof_tab[] = {{(long)0, NULL}};