Merge "Installd: Add a swap override flag"

}

/*

 * Whether dexopt should use a swap file when compiling an APK. If kAlwaysProvideSwapFile, do this

 * on all devices (dex2oat will make a more informed decision itself, anyways). Otherwise, only do

 * this on a low-mem device.

 * Whether dexopt should use a swap file when compiling an APK.

 *

 * If kAlwaysProvideSwapFile, do this on all devices (dex2oat will make a more informed decision

 * itself, anyways).

 *

 * Otherwise, read "dalvik.vm.dex2oat-swap". If the property exists, return whether it is "true".

 *

 * Otherwise, return true if this is a low-mem device.

 *

 * Otherwise, return default value.

 */

static bool kAlwaysProvideSwapFile = true;

static bool kAlwaysProvideSwapFile = false;

static bool kDefaultProvideSwapFile = true;

static bool ShouldUseSwapFileForDexopt() {

    if (kAlwaysProvideSwapFile) {

        return true;

    }

    char low_mem_buf[PROPERTY_VALUE_MAX];

    property_get("ro.config.low_ram", low_mem_buf, "");

    return (strcmp(low_mem_buf, "true") == 0);

    // Check the "override" property. If it exists, return value == "true".

    char dex2oat_prop_buf[PROPERTY_VALUE_MAX];

    if (property_get("dalvik.vm.dex2oat-swap", dex2oat_prop_buf, "") > 0) {

        if (strcmp(dex2oat_prop_buf, "true") == 0) {

            return true;

        } else {

            return false;

        }

    }

    // Shortcut for default value. This is an implementation optimization for the process sketched

    // above. If the default value is true, we can avoid to check whether this is a low-mem device,

    // as low-mem is never returning false. The compiler will optimize this away if it can.

    if (kDefaultProvideSwapFile) {

        return true;

    }

    bool is_low_mem = check_boolean_property("ro.config.low_ram");

    if (is_low_mem) {

        return true;

    }

    // Default value must be false here.

    return kDefaultProvideSwapFile;

}

/*