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/* SPDX-License-Identifier: LGPL-2.1+ */ #include <unistd.h> #include "tomoyo-util.h" bool mac_tomoyo_use(void) { static int cached_use = -1; if (cached_use < 0) cached_use = (access("/sys/kernel/security/tomoyo/version", F_OK) == 0); return cached_use; }