libfrog/darwin.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2003,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #include <sys/disk.h>
   8 #include <sys/stat.h>
   9 #include <sys/mount.h>
  10 #include <sys/ioctl.h>
  11 #include <sys/sysctl.h>
  12 #include "libxfs.h"
  13
  14 int platform_has_uuid = 1;
  15 extern char *progname;
  16
  17 #warning "Darwin support is deprecated and planned for removal in July 2018"
  18 #warning "Contact linux-xfs@vger.kernel.org if you'd like to maintain this port"
  19 #error   "Remove this line if you'd like to continue the build"
  20
  21 int
  22 platform_check_ismounted(char *name, char *block, struct stat *s, int verbose)
  23 {
  24         return 0;
  25 }
  26
  27 int
  28 platform_check_iswritable(char *name, char *block, struct stat *s)
  29 {
  30         int     fd, writable;
  31
  32         if ((fd = open(block, O_RDONLY, 0)) < 0) {
  33                 fprintf(stderr, _("%s: "
  34                         "error opening the device special file \"%s\": %s\n"),
  35                         progname, block, strerror(errno));
  36                 exit(1);
  37         }
  38
  39         if (ioctl(fd, DKIOCISWRITABLE, &writable) < 0) {
  40                 fprintf(stderr, _("%s: can't tell if \"%s\" is writable: %s\n"),
  41                         progname, block, strerror(errno));
  42                 exit(1);
  43         }
  44         close(fd);
  45         return writable == 0;
  46 }
  47
  48 int
  49 platform_set_blocksize(int fd, char *path, dev_t device, int blocksize, int fatal)
  50 {
  51         return fatal;
  52 }
  53
  54 void
  55 platform_flush_device(int fd, dev_t device)
  56 {
  57         ioctl(fd, DKIOCSYNCHRONIZECACHE, NULL);
  58 }
  59
  60 void
  61 platform_findsizes(char *path, int fd, long long *sz, int *bsz)
  62 {
  63         uint64_t        size;
  64         struct stat     st;
  65
  66         if (fstat(fd, &st) < 0) {
  67                 fprintf(stderr,
  68                         _("%s: cannot stat the device file \"%s\": %s\n"),
  69                         progname, path, strerror(errno));
  70                 exit(1);
  71         }
  72         if ((st.st_mode & S_IFMT) == S_IFREG) {
  73                 *sz = (long long)(st.st_size >> 9);
  74                 *bsz = BBSIZE;
  75                 return;
  76         }
  77         if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size) < 0) {
  78                 fprintf(stderr, _("%s: can't determine device size: %s\n"),
  79                         progname, strerror(errno));
  80                 exit(1);
  81         }
  82         *sz = (long long)size;
  83         *bsz = BBSIZE;
  84 }
  85
  86 char *
  87 platform_findrawpath(char *path)
  88 {
  89         return path;
  90 }
  91
  92 char *
  93 platform_findblockpath(char *path)
  94 {
  95         return path;
  96 }
  97
  98 int
  99 platform_direct_blockdev(void)
 100 {
 101         return 0;
 102 }
 103
 104 int
 105 platform_align_blockdev(void)
 106 {
 107         return sizeof(void *);
 108 }
 109
 110 int
 111 platform_nproc(void)
 112 {
 113         int             ncpu;
 114         size_t          len = sizeof(ncpu);
 115         static int      mib[2] = {CTL_HW, HW_NCPU};
 116
 117         if (sysctl(mib, 2, &ncpu, &len, NULL, 0) < 0)
 118                 ncpu = 1;
 119
 120         return ncpu;
 121 }
 122
 123 unsigned long
 124 platform_physmem(void)
 125 {
 126         unsigned long   physmem;
 127         size_t          len = sizeof(physmem);
 128         static int      mib[2] = {CTL_HW, HW_PHYSMEM};
 129
 130         if (sysctl(mib, 2, &physmem, &len, NULL, 0) < 0) {
 131                 fprintf(stderr, _("%s: can't determine memory size\n"),
 132                         progname);
 133                 exit(1);
 134         }
 135         return physmem >> 10;
 136 }