samplecode/thread/app/Thread.cpp

// Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
//
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// modification, are permitted provided that the following conditions
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//
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//    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.
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//    contributors may be used to endorse or promote products derived
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#include <thread>
#include <stdio.h>
using namespace std;

#include "App.h"
#include "Enclave_u.h"

void data_producer(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_producer(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

void data_consumer(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_consumer(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

void data_init(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_initialize(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

void data_uninit(void)
{
    sgx_status_t ret = SGX_ERROR_UNEXPECTED;
    ret = ecall_uninitialize(global_eid);
    if (ret != SGX_SUCCESS)
        abort();
}

/* ecall_thread_functions:
 *   Invokes thread functions including mutex, condition variable, etc.
 */
void ecall_thread_functions(void)
{
    data_init();

    printf("Info: executing thread synchronization, please wait...  \n");
    /* condition variable */
    thread consumer1(data_consumer);
    thread producer0(data_producer);
    thread producer1(data_producer);
    thread producer2(data_producer);
    thread producer3(data_producer);
    thread consumer2(data_consumer);
    thread consumer3(data_consumer);
    thread consumer4(data_consumer);

    consumer1.join();
    consumer2.join();
    consumer3.join();
    consumer4.join();
    producer0.join();
    producer1.join();
    producer2.join();
    producer3.join();

    printf("Info: thread finish...  \n");

    data_uninit();
}