diff options
Diffstat (limited to 'libmom/deallocate-memory.c')
-rw-r--r-- | libmom/deallocate-memory.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libmom/deallocate-memory.c b/libmom/deallocate-memory.c new file mode 100644 index 00000000..bf7acfdb --- /dev/null +++ b/libmom/deallocate-memory.c @@ -0,0 +1,35 @@ +/* + Copyright (C) 1996 Free Software Foundation, Inc. + Written by Michael I. Bushnell, p/BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + +#include "priv.h" + +error_t +mom_deallocate_memory (void *start, size_t len) +{ + error_t err; + + assert ((vm_address_t) start % vm_page_size == 0); + assert (len % vm_page_size == 0); + + mutex_lock (&_mom_memory_lock); + err = vm_deallocate (mach_task_self (), (vm_address_t) start, len); + mutex_unlock (&_mom_memory_lock); + return err; +} |