/* Copyright (C) 2002-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <semaphore.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "semaphoreP.h" #include <shm-directory.h> int sem_unlink (const char *name) { /* Construct the filename. */ SHM_GET_NAME (ENOENT, -1, SEM_SHM_PREFIX); /* Now try removing it. */ int ret = unlink (shm_name); if (ret < 0 && errno == EPERM) __set_errno (EACCES); return ret; }