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author | Daniel Jacobowitz <drow@false.org> | 2006-05-04 15:12:00 +0000 |
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committer | Daniel Jacobowitz <drow@false.org> | 2006-05-04 15:12:00 +0000 |
commit | 482dd2f67b3254c4b72ecce7d903f9f25f9d9dda (patch) | |
tree | 8ae107011e30b7fc930b1ab77fc067997422e695 /mmalloc/detach.c | |
parent | 39a7806daee10b8020ce7be18e54cab69c9e699f (diff) | |
download | binutils-482dd2f67b3254c4b72ecce7d903f9f25f9d9dda.zip binutils-482dd2f67b3254c4b72ecce7d903f9f25f9d9dda.tar.gz binutils-482dd2f67b3254c4b72ecce7d903f9f25f9d9dda.tar.bz2 |
2006-05-04 Steve Ellcey <sje@cup.hp.com>
* blt, iwidgets, mmalloc: Remove directories.
Diffstat (limited to 'mmalloc/detach.c')
-rw-r--r-- | mmalloc/detach.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/mmalloc/detach.c b/mmalloc/detach.c deleted file mode 100644 index 1780679..0000000 --- a/mmalloc/detach.c +++ /dev/null @@ -1,71 +0,0 @@ -/* Finish access to a mmap'd malloc managed region. - Copyright 1992 Free Software Foundation, Inc. - - Contributed by Fred Fish at Cygnus Support. fnf@cygnus.com - -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., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#include <sys/types.h> -#include "mmprivate.h" - -/* Terminate access to a mmalloc managed region by unmapping all memory pages - associated with the region, and closing the file descriptor if it is one - that we opened. - - Returns NULL on success. - - Returns the malloc descriptor on failure, which can subsequently be used - for further action, such as obtaining more information about the nature of - the failure by examining the preserved errno value. - - Note that the malloc descriptor that we are using is currently located in - region we are about to unmap, so we first make a local copy of it on the - stack and use the copy. */ - -PTR -mmalloc_detach (md) - PTR md; -{ - struct mdesc mtemp; - - if (md != NULL) - { - - mtemp = *(struct mdesc *) md; - - /* Now unmap all the pages associated with this region by asking for a - negative increment equal to the current size of the region. */ - - if ((mtemp.morecore (&mtemp, mtemp.base - mtemp.breakval)) == NULL) - { - /* Deallocating failed. Update the original malloc descriptor - with any changes */ - *(struct mdesc *) md = mtemp; - } - else - { - if (mtemp.flags & MMALLOC_DEVZERO) - { - close (mtemp.fd); - } - md = NULL; - } - } - - return (md); -} |