cosmopolitan/libc/runtime/untrackmemoryintervals.c

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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
This program 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; version 2 of the License.
This program 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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
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#include "libc/macros.h"
#include "libc/runtime/memtrack.h"
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int UntrackMemoryIntervals(void *addr, size_t size) {
int a, b;
a = ROUNDDOWN((intptr_t)addr, FRAMESIZE) >> 16;
b = ROUNDDOWN((intptr_t)addr + size - 1, FRAMESIZE) >> 16;
return ReleaseMemoryIntervals(&_mmi, a, b, ReleaseMemoryNt);
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}