intel-linux-sgx/SampleCode/Cxx11SGXDemo/App/TrustedLibrary/Libcxx.cpp

/*
 * Copyright (C) 2011-2020 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Intel Corporation nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
#include <stdio.h>

#include "../App.h"
#include "Enclave_u.h"
#include <thread>

/* ecall_libcxx_functions:
 *   Invokes standard C++11 functions.
 */

 //This function is part of mutex demo
void demo_counter_without_mutex()
{
	sgx_status_t ret = SGX_ERROR_UNEXPECTED;
	ret = ecall_mutex_demo_no_protection(global_eid);
	if (ret != SGX_SUCCESS)
		abort();
}

//This function is part of mutex demo
void demo_counter_mutex()
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_mutex_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

//This function is used by processing thread of condition variable demo
void demo_cond_var_run()
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_condition_variable_run(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

//This function is used by the loader thread of condition variable demo
void demo_cond_var_load()
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_condition_variable_load(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

// Examples for C++11 library and compiler features
void ecall_libcxx_functions(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    
    // Example for lambda function feature:
    ret = ecall_lambdas_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for auto feature:
    ret = ecall_auto_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for decltype:
    ret = ecall_decltype_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for strongly_typed_enum:
    ret = ecall_strongly_typed_enum_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
    
    // Example for range based for loops:
    ret = ecall_range_based_for_loops_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for static_assert:
    ret = ecall_static_assert_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
    
    // Example for virtual function controls : override, final, default, and delete
    ret = ecall_virtual_function_control_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for delegating_constructors:
    ret = ecall_delegating_constructors_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for std::function:
    ret = ecall_std_function_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
    
    // Example for algorithms (std::all_of, std::any_of, std::none_of):
    ret = ecall_cxx11_algorithms_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for variadic_templates feature:
    ret = ecall_variadic_templates_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for SFINAE:
    ret = ecall_SFINAE_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for initializer_list:
    ret = ecall_initializer_list_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for rvalue:
    ret = ecall_rvalue_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for nullptr:
    ret = ecall_nullptr_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for enum class:
    ret = ecall_enum_class_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for new container classes (unordered_set, unordered_map, unordered_multiset, and unordered_multimap):
    ret = ecall_new_container_classes_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for tuple:
    ret = ecall_tuple_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

    // Example for shared_ptr:
    ret = ecall_shared_ptr_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
    // Example for atomic:
    ret = ecall_atomic_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

//The following threads are part of mutex demo
	std::thread t1(demo_counter_without_mutex);
	std::thread t2(demo_counter_without_mutex);
	std::thread t3(demo_counter_without_mutex);
	t1.join();
	t2.join();
	t3.join();
	ret = ecall_print_final_value_no_protection(global_eid);
	if (ret != SGX_SUCCESS)
		abort();
	
	
	
//The following threads are part of mutex demo
    std::thread tm1(demo_counter_mutex);
    std::thread tm2(demo_counter_mutex);
    std::thread tm3(demo_counter_mutex);
    tm1.join();
    tm2.join();
    tm3.join();
    ret = ecall_print_final_value_mutex_demo(global_eid);
    if (ret != SGX_SUCCESS)
        abort();

//The following threads are part of condition variable demo
    std::thread th1(demo_cond_var_run);
    std::thread th2(demo_cond_var_load);
    th2.join();
    th1.join();

}