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 setup_ram_volume(const char* name, char* path) {
   9   char *cmd;
  10   int retval;
  11
  12   retval = asprintf(&cmd, "diskutil erasevolume HFS+ '%s' `hdiutil attach -nomount ram://1500000` >/dev/null", name);
  13   VERIFY(retval > 0, "asprintf failed");
  14
  15   retval = system(cmd);
  16   VERIFY(retval == 0, "diskutil command failed");
  17
  18   snprintf(path, MAXPATHLEN, "/Volumes/%s", name);
  19
  20   free(cmd);
  21
  22   return PERFINDEX_SUCCESS;
  23 }
  24
  25 int cleanup_ram_volume(char* path) {
  26   char *cmd;
  27   int retval;
  28
  29   retval = asprintf(&cmd, "umount -f '%s' >/dev/null", path);
  30   VERIFY(retval > 0, "asprintf failed");
  31
  32   retval = system(cmd);
  33   VERIFY(retval == 0, "diskutil command failed");
  34
  35   free(cmd);
  36
  37   return PERFINDEX_SUCCESS;
  38 }