src/shared/tomoyo-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <unistd.h>
   4
   5 #include "tomoyo-util.h"
   6
   7 bool mac_tomoyo_use(void) {
   8         static int cached_use = -1;
   9
  10         if (cached_use < 0)
  11                 cached_use = (access("/sys/kernel/security/tomoyo/version",
  12                                      F_OK) == 0);
  13
  14         return cached_use;
  15 }