Merge "[MemInit] Remove process_disable_memory_mitigations"

        "canned_fs_config.cpp",

        "iosched_policy.cpp",

        "load_file.cpp",

        "memory.cpp",

        "native_handle.cpp",

        "properties.cpp",

        "record_stream.cpp",

size_t strlcpy(char *dst, const char *src, size_t size);

#endif

// Disables memory mitigations for the entire process, and logs appropriately.

void process_disable_memory_mitigations();

#ifdef __cplusplus

} // extern "C"

#endif

/*

 * Copyright (C) 2020 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <cutils/memory.h>

#include <log/log.h>

#if !defined(__APPLE__)

#include <malloc.h>

#endif

void process_disable_memory_mitigations() {

    bool success = false;

#ifdef __BIONIC__

    success = mallopt(M_BIONIC_DISABLE_MEMORY_MITIGATIONS, 0);

#endif

    // TODO: if b/158870657 is fixed and scudo is used globally,

    // we can assert on failure rather than just log.

    if (success) {

        ALOGI("Disabled memory mitigations for process.");

    } else {

        ALOGE("Could not disable memory mitigations for process.");

    }

}