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Add SME_POLL_ONLY flag, which informs sme to only refresh the sensor when

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it is polled (and not from GTREDATA).
This commit is contained in:
jmcneill 2008-06-03 15:00:57 +00:00
parent 457a3f8942
commit b9f9379e74
2 changed files with 6 additions and 4 deletions
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7
sys/dev/sysmon/sysmon_envsys.c
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@ -1,4 +1,4 @@
/* $NetBSD: sysmon_envsys.c,v 1.83 2008/04/02 11:19:22 xtraeme Exp $ */
/* $NetBSD: sysmon_envsys.c,v 1.84 2008/06/03 15:00:57 jmcneill Exp $ */
/*-
* Copyright (c) 2007, 2008 Juan Romero Pardines.
@ -64,7 +64,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysmon_envsys.c,v 1.83 2008/04/02 11:19:22 xtraeme Exp $");
__KERNEL_RCSID(0, "$NetBSD: sysmon_envsys.c,v 1.84 2008/06/03 15:00:57 jmcneill Exp $");
#include <sys/param.h>
#include <sys/types.h>
@ -361,7 +361,8 @@ sysmonioctl_envsys(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
}
if (tred->sensor < sme->sme_nsensors) {
if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0) {
if ((sme->sme_flags & SME_DISABLE_REFRESH) == 0 &&
(sme->sme_flags & SME_POLL_ONLY) == 0) {
mutex_enter(&sme->sme_mtx);
(*sme->sme_refresh)(sme, edata);
mutex_exit(&sme->sme_mtx);

3
sys/dev/sysmon/sysmonvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: sysmonvar.h,v 1.26 2008/04/04 10:10:20 hannken Exp $ */
/* $NetBSD: sysmonvar.h,v 1.27 2008/06/03 15:00:57 jmcneill Exp $ */
/*-
* Copyright (c) 2000 Zembu Labs, Inc.
@ -77,6 +77,7 @@ struct sysmon_envsys {
#define SME_INIT_REFRESH 0x00000008 /* call sme_refresh() after
interrupts are enabled in
the autoconf(9) process. */
#define SME_POLL_ONLY 0x00000010 /* only poll sme_refresh */
void *sme_cookie; /* for ENVSYS back-end */