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rt/shm_unlink.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version. Copyright (C) 2001-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. 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 <https://www.gnu.org/licenses/>. */ #include <errno.h> #include <shlib-compat.h> #include <shm-directory.h> #include <string.h> #include <unistd.h> /* Remove shared memory object. */ int __shm_unlink (const char *name) { struct shmdir_name dirname; if (__shm_get_name (&dirname, name, false) != 0) { __set_errno (ENOENT); return -1; } int result = __unlink (dirname.name); if (result < 0 && errno == EPERM) __set_errno (EACCES); return result; } versioned_symbol (libc, __shm_unlink, shm_unlink, GLIBC_2_34); #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34) compat_symbol (libc, __shm_unlink, shm_unlink, GLIBC_2_2); #endif