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Use posix_madvise() rather than the legacy madvise() call, and

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wrapp the calls in #ifdef for the advice we're giving.  Should
address reports of host tool build issues.
This commit is contained in:
thorpej 2019-05-08 04:34:33 +00:00
parent f11bc4e580
commit 88c316691b
1 changed files with 9 additions and 3 deletions
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12
common/lib/libprop/prop_object.c
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@ -1,4 +1,4 @@
/* $NetBSD: prop_object.c,v 1.30 2015/05/12 14:59:35 christos Exp $ */
/* $NetBSD: prop_object.c,v 1.31 2019/05/08 04:34:33 thorpej Exp $ */
/*-
* Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
@ -950,7 +950,10 @@ _prop_object_internalize_map_file(const char *fname)
_PROP_FREE(mf, M_TEMP);
return (NULL);
}
(void) madvise(mf->poimf_xml, mf->poimf_mapsize, MADV_SEQUENTIAL);
#ifdef POSIX_MADV_SEQUENTIAL
(void) posix_madvise(mf->poimf_xml, mf->poimf_mapsize,
POSIX_MADV_SEQUENTIAL);
#endif
if (need_guard) {
if (mmap(mf->poimf_xml + mf->poimf_mapsize,
@ -976,7 +979,10 @@ _prop_object_internalize_unmap_file(
struct _prop_object_internalize_mapped_file *mf)
{
(void) madvise(mf->poimf_xml, mf->poimf_mapsize, MADV_DONTNEED);
#ifdef POSIX_MADV_DONTNEED
(void) posix_madvise(mf->poimf_xml, mf->poimf_mapsize,
POSIX_MADV_DONTNEED);
#endif
(void) munmap(mf->poimf_xml, mf->poimf_mapsize);
_PROP_FREE(mf, M_TEMP);
}