1 /* Copyright (C) 1995-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <ipc_priv.h>
19 #include <sysdep.h>
20 #include <errno.h>
21
22 /* Detach shared memory segment starting at address specified by SHMADDR
23 from the caller's data segment. */
24
25 int
shmdt(const void * shmaddr)26 shmdt (const void *shmaddr)
27 {
28 #ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
29 return INLINE_SYSCALL_CALL (shmdt, shmaddr);
30 #else
31 return INLINE_SYSCALL_CALL (ipc, IPCOP_shmdt, 0, 0, 0, shmaddr);
32 #endif
33 }
34