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implement osf1_sys_madvise()

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cgd 1999-04-27 18:45:22 +00:00
parent 3cb15b5b9b
commit 6e5469dc42
1 changed files with 59 additions and 3 deletions
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62
sys/compat/osf1/osf1_misc.c
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@ -1,4 +1,4 @@
/* $NetBSD: osf1_misc.c,v 1.27 1999/04/27 17:56:52 cgd Exp $ */
/* $NetBSD: osf1_misc.c,v 1.28 1999/04/27 18:45:22 cgd Exp $ */
/*
* Copyright (c) 1999 Christopher G. Demetriou. All rights reserved.
@ -1054,6 +1054,7 @@ cvtrusage2osf1(ru, oru)
struct rusage *ru;
struct osf1_rusage *oru;
{
oru->ru_utime.tv_sec = ru->ru_utime.tv_sec;
oru->ru_utime.tv_usec = ru->ru_utime.tv_usec;
@ -1082,9 +1083,64 @@ osf1_sys_madvise(p, v, retval)
void *v;
register_t *retval;
{
struct osf1_sys_madvise_args *uap = v;
struct sys_madvise_args a;
int error;
/* XXX */
return EINVAL;
SCARG(&a, addr) = SCARG(uap, addr);
SCARG(&a, len) = SCARG(uap, len);
error = 0;
switch (SCARG(uap, behav)) {
case OSF1_MADV_NORMAL:
SCARG(&a, behav) = MADV_NORMAL;
break;
case OSF1_MADV_RANDOM:
SCARG(&a, behav) = MADV_RANDOM;
break;
case OSF1_MADV_SEQUENTIAL:
SCARG(&a, behav) = MADV_SEQUENTIAL;
break;
case OSF1_MADV_WILLNEED:
SCARG(&a, behav) = MADV_WILLNEED;
break;
case OSF1_MADV_DONTNEED_COMPAT:
SCARG(&a, behav) = MADV_DONTNEED;
break;
case OSF1_MADV_SPACEAVAIL:
SCARG(&a, behav) = MADV_SPACEAVAIL;
break;
case OSF1_MADV_DONTNEED:
/*
* XXX not supported. In Digital UNIX, this flushes all
* XXX data in the region and replaces it with ZFOD pages.
*/
error = EINVAL;
break;
default:
error = EINVAL;
break;
}
if (error == 0) {
error = sys_madvise(p, &a, retval);
/*
* NetBSD madvise() currently always returns ENOSYS.
* Digital UNIX says that non-operational requests (i.e.
* valid, but unimplemented 'behav') will return success.
*/
if (error == ENOSYS)
error = 0;
}
return (error);
}
int