36 lines
983 B
C
36 lines
983 B
C
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/****************************************************************
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* *
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* Copyright 2001, 2007 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include <sys/types.h>
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#include <sys/mman.h>
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#include "probe.h"
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OS_PAGE_SIZE_DECLARE
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boolean_t probe(uint4 len, void *addr, boolean_t write)
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{
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int status;
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uint4 temp;
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if (NULL == addr) /* Special case for null pointer passed */
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return FALSE;
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#if defined(__alpha)
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temp = ROUND_DOWN2((uint4)addr, OS_PAGE_SIZE);
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status = mvalid((caddr_t)temp, (size_t)(len + ((uint4)addr - temp)), write ? PROT_WRITE : PROT_READ);
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assert(0 == status);
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return (status == 0 ? TRUE : FALSE);
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#else
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return TRUE;
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#endif
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}
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