d66d0ddaf3
mModule here is from a dlsym from libhardware, so this was crashing here, if hwservicemanager crashes. Bug: N/A Test: N/A Change-Id: I42aa35df0eafd791465f6e099dc1945bd0f763ea
100 lines
3 KiB
C++
100 lines
3 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "android.hardware.memtrack@1.0-impl"
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#include <log/log.h>
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#include <hardware/hardware.h>
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#include <hardware/memtrack.h>
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#include "Memtrack.h"
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namespace android {
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namespace hardware {
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namespace memtrack {
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namespace V1_0 {
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namespace implementation {
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Memtrack::Memtrack(const memtrack_module_t *module) : mModule(module) {
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if (mModule)
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mModule->init(mModule);
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}
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Memtrack::~Memtrack() {}
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Return<void> Memtrack::getMemory(int32_t pid, MemtrackType type,
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getMemory_cb _hidl_cb) {
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hidl_vec<MemtrackRecord> records;
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size_t temp = 0;
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size_t *size = &temp;
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int ret = 0;
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if (mModule->getMemory == nullptr)
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{
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_hidl_cb(MemtrackStatus::SUCCESS, records);
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return Void();
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}
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ret = mModule->getMemory(mModule, pid, static_cast<memtrack_type>(type),
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NULL, size);
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if (ret == 0)
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{
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memtrack_record *legacy_records = new memtrack_record[*size];
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ret = mModule->getMemory(mModule, pid,
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static_cast<memtrack_type>(type), legacy_records, size);
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if (ret == 0)
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{
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records.resize(*size);
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for(size_t i = 0; i < *size; i++)
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{
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records[i].sizeInBytes = legacy_records[i].size_in_bytes;
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records[i].flags = legacy_records[i].flags;
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}
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}
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delete[] legacy_records;
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}
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_hidl_cb(MemtrackStatus::SUCCESS, records);
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return Void();
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}
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IMemtrack* HIDL_FETCH_IMemtrack(const char* /* name */) {
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const hw_module_t* hw_module = nullptr;
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const memtrack_module_t* memtrack_module = nullptr;
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int err = hw_get_module(MEMTRACK_HARDWARE_MODULE_ID, &hw_module);
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if (err) {
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ALOGE ("hw_get_module %s failed: %d", MEMTRACK_HARDWARE_MODULE_ID, err);
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return nullptr;
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}
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if (!hw_module->methods || !hw_module->methods->open) {
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memtrack_module = reinterpret_cast<const memtrack_module_t*>(hw_module);
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} else {
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err = hw_module->methods->open(hw_module, MEMTRACK_HARDWARE_MODULE_ID,
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reinterpret_cast<hw_device_t**>(const_cast<memtrack_module_t**>(&memtrack_module)));
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if (err) {
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ALOGE("Passthrough failed to load legacy HAL.");
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return nullptr;
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}
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}
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return new Memtrack(memtrack_module);
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace memtrack
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} // namespace hardware
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} // namespace android
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