1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/shmdt.c b/sysdeps/mach/hurd/shmdt.c
new file mode 100644
index 0000000000..988fab8ee6
--- /dev/null
+++ b/sysdeps/mach/hurd/shmdt.c
@@ -0,0 +1,51 @@
+/* SysV shmdt for Hurd.
+   Copyright (C) 2005-2015 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <assert.h>
+#include <sys/mman.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#include "sysvshm.h"
+
+/* Detach shared memory segment starting at address specified by
+   SHMADDR from the caller's data segment.  */
+int
+__shmdt (const void *shmaddr)
+{
+  error_t err;
+  size_t size;
+
+  err = __sysvshm_remove ((void *) shmaddr, &size);
+  if (err)
+    {
+      errno = err;
+      return -1;
+    }
+
+  __munmap ((void *) shmaddr, size);
+  return 0;
+}
+
+weak_alias(__shmdt, shmdt)