1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/sun/sunos4/mmap.c b/sysdeps/unix/bsd/sun/sunos4/mmap.c
new file mode 100644
index 0000000000..c513ae27eb
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/sunos4/mmap.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 1994, 1995, 1997 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+/* Map addresses starting near ADDR and extending for LEN bytes.  from
+   OFFSET into the file FD describes according to PROT and FLAGS.  If ADDR
+   is nonzero, it is the desired mapping address.  If the MAP_FIXED bit is
+   set in FLAGS, the mapping will be at ADDR exactly (which must be
+   page-aligned); otherwise the system chooses a convenient nearby address.
+   The return value is the actual mapping address chosen or MAP_FAILED
+   for errors (in which case `errno' is set).  A successful `mmap' call
+   deallocates any previous mapping for the affected region.  */
+
+extern __ptr_t __mmap_syscall (__ptr_t addr, size_t len,
+			       int prot, int flags, int fd, off_t offset);
+
+
+__ptr_t
+__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
+{
+  return __mmap_syscall (addr, len, prot, flags | _MAP_NEW, fd, offset);
+}
+
+weak_alias (__mmap, mmap)