1  /* Copyright (C) 1995-2023 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
      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  }