tools/tests/perf_index/ramdisk.c

   1 #include "ramdisk.h"
   2 #include "fail.h"
   3 #include <assert.h>
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <sys/param.h>
   7
   8 int
   9 setup_ram_volume(const char* name, char* path)
  10 {
  11         char *cmd;
  12         int retval;
  13
  14         retval = asprintf(&cmd, "diskutil erasevolume HFS+ '%s' `hdiutil attach -nomount ram://1500000` >/dev/null", name);
  15         VERIFY(retval > 0, "asprintf failed");
  16
  17         retval = system(cmd);
  18         VERIFY(retval == 0, "diskutil command failed");
  19
  20         snprintf(path, MAXPATHLEN, "/Volumes/%s", name);
  21
  22         free(cmd);
  23
  24         return PERFINDEX_SUCCESS;
  25 }
  26
  27 int
  28 cleanup_ram_volume(char* path)
  29 {
  30         char *cmd;
  31         int retval;
  32
  33         retval = asprintf(&cmd, "umount -f '%s' >/dev/null", path);
  34         VERIFY(retval > 0, "asprintf failed");
  35
  36         retval = system(cmd);
  37         VERIFY(retval == 0, "diskutil command failed");
  38
  39         free(cmd);
  40
  41         return PERFINDEX_SUCCESS;
  42 }