android_device_xiaomi_sdm660-common/core/ContextBase.cpp

/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
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 *       with the distribution.
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 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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#define LOG_NDDEBUG 0
#define LOG_TAG "LocSvc_CtxBase"

#include <dlfcn.h>
#include <cutils/sched_policy.h>
#include <unistd.h>
#include <ContextBase.h>
#include <msg_q.h>
#include <log_util.h>
#include <loc_log.h>

namespace loc_core {

const char* ContextBase::mIzatLibName = "libizat_core.so";
// we initialized this handle to 1 because it can't possibly
// 1 if it ever gets assigned a value. NULL on the otherhand
// is possilbe.
void* ContextBase::mIzatLibHandle = (void*)1;

void* ContextBase::getIzatLibHandle()
{
    if ((void*)1 == mIzatLibHandle) {
        mIzatLibHandle = dlopen(mIzatLibName, RTLD_NOW);
    }
    return mIzatLibHandle;
}

ContextBase::ContextBase(const MsgTask* msgTask,
                         LOC_API_ADAPTER_EVENT_MASK_T exMask) :
    mMsgTask(msgTask),
    mLocApi(LocApiBase::create(mMsgTask, exMask, getIzatLibHandle()))
{
}

}