bf4558f8cf
(Part 1: API) * Support for detachable sensors. * Cleaned up the API for simplicity and efficiency. * Ability to send capacity/critical/warning events to powerd(8). * Adapted all the code to the new locking order. * Compatibility with the old envsys API: the ENVSYS_GTREINFO and ENVSYS_GTREDATA ioctl(2)s are supported. * Added support for a 'dictionary based communication channel' between sysmon_power(9) and powerd(8), that means there is no 32 bytes event size restriction anymore. * Binary compatibility with old envstat(8) and powerd(8) via COMPAT_40. * All drivers with the n^2 gtredata bug were fixed, PR kern/36226. Tested by: blymn: smsc(4). bouyer: ipmi(4), mfi(4). kefren: ug(4). njoly: viaenv(4), adt7463.c. riz: owtemp(4). xtraeme: acpiacad(4), acpibat(4), acpitz(4), aiboost(4), it(4), lm(4).
191 lines
6.3 KiB
C
191 lines
6.3 KiB
C
/* $NetBSD: sysmon_envsysvar.h,v 1.1 2007/07/01 07:36:56 xtraeme Exp $ */
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/*-
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* Copyright (c) 2007 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Juan Romero Pardines.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Juan Romero Pardines
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* for the NetBSD Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_SYSMON_ENVSYSVAR_H_
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#define _DEV_SYSMON_ENVSYSVAR_H_
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mutex.h>
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#include <sys/workqueue.h>
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#include <dev/sysmon/sysmonvar.h>
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#include <prop/proplib.h>
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#ifdef ENVSYS_DEBUG
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#define DPRINTF(x) printf x
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#else
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#define DPRINTF(x)
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#endif
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#ifdef ENVSYS_OBJECTS_DEBUG
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#define DPRINTFOBJ(x) printf x
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#else
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#define DPRINTFOBJ(x)
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#endif
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/*
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* We run at ENVSYS version 2.
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*/
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#define SYSMON_ENVSYS_VERSION (2 * 1000)
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/* timeout for the callout */
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#define SME_EVTIMO (10 * hz) /* 10 seconds */
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/* convenience macros to avoid writing same code many times */
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#define SENSOR_OBJUPDATED(a, b) \
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do { \
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DPRINTFOBJ(("%s: obj (%s:%d) updated\n", __func__, (a), (b))); \
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} while (/* CONSTCOND */ 0)
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#define SENSOR_DICTSETFAILED(a, b) \
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do { \
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DPRINTF(("%s: dict_set (%s:%d) failed\n", __func__, (a), (b))); \
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} while (/* CONSTCOND */ 0)
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#define SENSOR_SETTYPE(a, b, c, d) \
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do { \
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if (!prop_dictionary_set_ ## d((a), (b), (c))) { \
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SENSOR_DICTSETFAILED((b), (c)); \
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if ((a)) \
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prop_object_release((a)); \
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goto out; \
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} \
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} while (/* CONSTCOND */ 0)
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#define SENSOR_SINT32(a, b, c) SENSOR_SETTYPE(a, b, c, int32)
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#define SENSOR_SUINT32(a, b, c) SENSOR_SETTYPE(a, b, c, uint32)
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#define SENSOR_SBOOL(a, b, c) SENSOR_SETTYPE(a, b, c, bool)
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#define SENSOR_SSTRING(a, b, c) \
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do { \
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if (!prop_dictionary_set_cstring_nocopy((a), (b), (c))) { \
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DPRINTF(("%s: set_cstring (%s) failed.\n", \
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__func__, (c))); \
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if ((a)) \
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prop_object_release((a)); \
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goto out; \
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} \
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} while (/* CONSTCOND */ 0)
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#define SENSOR_UPTYPE(a, b, c, d, e) \
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do { \
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obj = prop_dictionary_get((a), (b)); \
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if (!prop_number_equals_ ## e(obj, (c)) && (c)) { \
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if (!prop_dictionary_set_ ## d((a), (b), (c))) { \
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SENSOR_DICTSETFAILED((b), (c)); \
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return EINVAL; \
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} \
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SENSOR_OBJUPDATED((b), (c)); \
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} \
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} while (/* CONSTCOND */ 0)
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#define SENSOR_UPINT32(a, b, c) \
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SENSOR_UPTYPE(a, b, c, int32, integer)
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#define SENSOR_UPUINT32(a, b, c) \
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SENSOR_UPTYPE(a, b, c, uint32, unsigned_integer)
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#define SENSOR_UPSTRING(a, b, c) \
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do { \
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obj = prop_dictionary_get((a), (b)); \
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if (obj == NULL) { \
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SENSOR_SSTRING((a), (b), (c)); \
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} else { \
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if (!prop_string_equals_cstring((obj), (c))) { \
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SENSOR_SSTRING((a), (b), (c)); \
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} \
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} \
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} while (/* CONSTCOND */ 0)
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/* struct used by a sysmon envsys event */
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typedef struct sme_event {
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/* to add works into our workqueue */
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union {
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struct work u_work;
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TAILQ_ENTRY(sme_event) u_q;
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} see_u;
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#define see_wk see_u.u_work
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#define see_q see_u.u_q
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LIST_ENTRY(sme_event) see_list;
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struct penvsys_state pes; /* our power envsys */
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int32_t critval; /* critical value set */
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int type; /* type of the event */
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int snum; /* sensor number */
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int evsent; /* event already sent */
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} sme_event_t;
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/* struct by a sysmon envsys event set by a driver */
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typedef struct sme_event_drv {
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struct sysmon_envsys *sme;
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prop_dictionary_t sdict;
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envsys_data_t *edata;
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int powertype;
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} sme_event_drv_t;
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/* common */
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extern kmutex_t sme_mtx; /* mutex for the sysmon envsys devices */
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extern kmutex_t sme_event_mtx; /* mutex for the sysmon envsys events */
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extern kmutex_t sme_event_init_mtx; /* mutex to initialize/destroy see */
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/* linked list for the sysmon envsys devices */
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LIST_HEAD(, sysmon_envsys) sysmon_envsys_list;
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/* linked list for the sysmon envsys events */
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LIST_HEAD(, sme_event) sme_events_list;
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/* functions to handle sysmon envsys devices */
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int sysmon_envsys_createplist(struct sysmon_envsys *);
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int sme_make_dictionary(struct sysmon_envsys *, prop_array_t,
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envsys_data_t *);
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int sme_update_dictionary(struct sysmon_envsys *);
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int sme_userset_dictionary(struct sysmon_envsys *,
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prop_dictionary_t, prop_array_t);
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/* functions to handle sysmon envsys events */
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int sme_event_register(struct sme_event *);
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int sme_event_unregister(const char *, int);
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void sme_event_drvadd(void *);
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int sme_event_add(prop_dictionary_t, envsys_data_t *,
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const char *, const char *, int32_t, int, int);
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int sme_events_init(void);
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void sme_events_check(void *);
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void sme_events_worker(struct work *, void *);
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#endif /* _DEV_SYSMON_ENVSYSVAR_H_ */
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