glibc/sysdeps/mach/munmap.c
Roland McGrath 6408bdde65 Fri Mar 3 12:24:52 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/generic/sys/mman.h (__mmap, __munmap): Declare these.
	* sysdeps/unix/sysv/irix4/sys/mman.h: Likewise.
	* sysdeps/unix/bsd/ultrix4/sys/mman.h: Likewise.
	* sysdeps/unix/bsd/osf1/sys/mman.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/sys/mman.h: Likewise.
	* sysdeps/stub/munmap.c (munmap): Rename to __munmap, add weak
 	alias munmap.
	* sysdeps/unix/mman/munmap.S: Likewise.
	* sysdeps/mach/munmap.c: Likewise.
	* sysdeps/mach/hurd/mmap.c (mmap): Rename to __mmap, add weak
 	alias mmap.
	* sysdeps/unix/mman/mmap.S: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/mmap.c: Likewise.
	* sysdeps/stub/mmap.c: Likewise.

	* sysdeps/unix/bsd/setsid.c: Use __getpgid instead of __getpgrp.

	* sysdeps/unix/dirfd.c: #undef dirfd before function defn.

Thu Mar  2 12:15:24 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* misc/search.h: Add missing semicolon.

	* sysdeps/unix/dirfd.c: Fix typo.

	* sysdeps/generic/sys/mman.h (mmap): Use __off_t instead of off_t
 	in decl.

	* stdio/vfscanf.c (%c): In no-assign case, fix loop to decrement
 	WIDTH before test.
1995-03-06 00:27:08 +00:00

41 lines
1.3 KiB
C

/* Copyright (C) 1994, 1995 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>
#include <mach.h>
/* Deallocate any mapping for the region starting at ADDR and extending LEN
bytes. Returns 0 if successful, -1 for errors (and sets errno). */
int
__munmap (caddr_t addr, size_t len)
{
kern_return_t err;
if (err = __vm_deallocate (__mach_task_self (),
(vm_address_t) addr, (vm_size_t) len))
{
errno = err;
return -1;
}
return 0;
}
weak_alias (__munmap, munmap)