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C++ SharedMemory::map方法代码示例

本文整理汇总了C++中SharedMemory::map方法的典型用法代码示例。如果您正苦于以下问题：C++ SharedMemory::map方法的具体用法？C++ SharedMemory::map怎么用？C++ SharedMemory::map使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SharedMemory的用法示例。


在下文中一共展示了SharedMemory::map方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: monapi_clipboard_get

SharedMemory* monapi_clipboard_get()
{
    uint32_t tid ;
    if (monapi_name_whereis("/servers/clipboard", tid) != M_OK) {
        return NULL;
    }

    MessageInfo msg;
    if (Message::sendReceive(&msg, tid, MSG_CLIPBOARD_GET) != M_OK) {
        return NULL;
    }
    if ((intptr_t)msg.arg2 < M_OK) { return NULL;}
    SharedMemory* ret = new SharedMemory(msg.arg2, msg.arg3);
    if (ret->size() == 0) {
        return ret;
    }
    intptr_t mapResult = ret->map(true);
    if (mapResult != M_OK) {
        delete ret;
        monapi_warn("%s map error = %d\n", __func__, mapResult);
        return NULL;
    } else {
        return ret;
    }
}
开发者ID:Nirlendu，项目名称:mona，代码行数:25，代码来源:messages.cpp

示例2: alloc_buffer_size

static SharedMemory* alloc_buffer_size(const char* message, int size)
{
    SharedMemory* buffer = new SharedMemory(size);
    buffer->map();
    memcpy(buffer->data(), message, buffer->size());
    return buffer;
}
开发者ID:ckkashyap，项目名称:mona，代码行数:7，代码来源:clipboard.cpp

示例3: file_receive_shm

static SharedMemory* file_receive_shm(int header, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, const char* str)
{
    uint32_t tid;
    if (monapi_name_whereis("/servers/file", tid) != M_OK) {
        return NULL;
    }
    MessageInfo msg;
    if (Message::sendReceive(&msg, tid, header, arg1, arg2, arg3, str) != M_OK) {
        return NULL;
    }
    if ((intptr_t)msg.arg2 < M_OK) {
        int status = Message::reply(&msg);
        if (status != M_OK) {
            monapi_warn("%s reply failed : %s\n", __func__, monapi_error_string(status));
        }
        return NULL;
    }
    uintptr_t handle = msg.arg2;
    uintptr_t size = msg.arg3;
    SharedMemory* shm = new SharedMemory(handle, size);
    if (shm->map(true) != M_OK) {
        int status = Message::reply(&msg);
        delete shm;
        if (status != M_OK) {
            monapi_warn("%s reply failed : %s\n", __func__, monapi_error_string(status));
        }
        return NULL;
    } else {
        int status = Message::reply(&msg);
        if (status != M_OK) {
            monapi_warn("%s reply failed : %s\n", __func__, monapi_error_string(status));
        }
        return shm;
    }
}
开发者ID:Nirlendu，项目名称:mona，代码行数:35，代码来源:messages.cpp

示例4: test_fatfs_write_file_overwrite_expand

static void test_fatfs_write_file_overwrite_expand()
{
    TestFatFS fs;
    FatFileSystem* fat = fs.get();
    Vnode* root = fat->getRoot();
    const char* FILENAME = "MY1.TXT";

    Vnode* found;
    ASSERT_EQ(M_OK, fat->lookup(root, FILENAME, &found, Vnode::REGULAR));

    const int BUFFER_SIZE = 1540;

    SharedMemory* buffer = new SharedMemory(BUFFER_SIZE);
    ASSERT_EQ(M_OK, buffer->map());
    memset(buffer->data(), 0xce, BUFFER_SIZE);
    buffer->data()[0] = 0xca;
    buffer->data()[buffer->size() - 1] = 0xfe;

    io::Context c;
    c.offset = 513;
    c.size   = BUFFER_SIZE;
    c.memory = buffer;

    ASSERT_EQ(BUFFER_SIZE, fat->write(found, &c));

    io::Context readContext;
    SharedMemory* cmi = readAll(fat, readContext, root, FILENAME);
    ASSERT_TRUE(cmi != NULL);
    ASSERT_TRUE(cmi->data() != NULL);
    ASSERT_EQ(2053, cmi->size());
    EXPECT_EQ(0xde, cmi->data()[0]);
    EXPECT_EQ(0xca, cmi->data()[513]);
    EXPECT_EQ(0xfe, cmi->data()[513 + BUFFER_SIZE - 1]);
}
开发者ID:ShotaroTsuji，项目名称:mona，代码行数:34，代码来源:file.cpp

示例5: test_fatfs_write_file

static void test_fatfs_write_file()
{
    TestFatFS fs;
    FatFileSystem* fat = fs.get();
    Vnode* root = fat->getRoot();
    const char* FILENAME = "MY1.TXT";

    Vnode* found;
    ASSERT_EQ(M_OK, fat->lookup(root, FILENAME, &found, Vnode::REGULAR));

    const int BUFFER_SIZE = 1029;

    SharedMemory* buffer = new SharedMemory(BUFFER_SIZE);
    ASSERT_EQ(M_OK, buffer->map());
    memset(buffer->data(), 0, BUFFER_SIZE);
    buffer->data()[0] = 0xde;
    buffer->data()[BUFFER_SIZE - 1] = 0xad;

    io::Context c;
    c.offset = 0;
    c.size   = BUFFER_SIZE;
    c.memory = buffer;

    ASSERT_EQ(BUFFER_SIZE, fat->write(found, &c));

    io::Context readContext;
    SharedMemory* cmi = readAll(fat, readContext, root, FILENAME);
    ASSERT_TRUE(cmi != NULL);
    ASSERT_TRUE(cmi->data() != NULL);
    ASSERT_EQ(BUFFER_SIZE, cmi->size());
    EXPECT_TRUE(memcmp(buffer->data(), cmi->data(), BUFFER_SIZE) == 0);
}
开发者ID:ShotaroTsuji，项目名称:mona，代码行数:32，代码来源:file.cpp

示例6: SharedMemory

SharedMemory* monapi_call_file_decompress_bz2(const SharedMemory& shm)
{
    uint32_t tid;
    if (monapi_name_whereis("/servers/file", tid) != M_OK) {
        return NULL;
    }
    MessageInfo msg;
    if (Message::sendReceive(&msg, tid, MSG_FILE_DECOMPRESS_BZ2, shm.handle(), shm.size()) != M_OK) {
        return NULL;
    }
    if (msg.arg2 == 0) return NULL;

    SharedMemory* ret = new SharedMemory(msg.arg2, msg.arg3);
    if (ret->map(true) != M_OK) {
        delete ret;
        return NULL;
    } else {
        return ret;
    }
}
开发者ID:Nirlendu，项目名称:mona，代码行数:20，代码来源:messages.cpp

示例7: test_fatfs_write_file_overwrite

static void test_fatfs_write_file_overwrite()
{
    TestFatFS fs;
    FatFileSystem* fat = fs.get();
    Vnode* root = fat->getRoot();
    const char* FILENAME = "MY1.TXT";

    Vnode* found;
    ASSERT_EQ(M_OK, fat->lookup(root, FILENAME, &found, Vnode::REGULAR));

    const int BUFFER_SIZE = 10;

    SharedMemory* buffer = new SharedMemory(BUFFER_SIZE);
    ASSERT_EQ(M_OK, buffer->map());
    memset(buffer->data(), 0, BUFFER_SIZE);
    for (int i = 0; i < BUFFER_SIZE; i++) {
        buffer->data()[i] = i;
    }

    io::Context c;
    c.offset = 513;
    c.size   = BUFFER_SIZE;
    c.memory = buffer;

    ASSERT_EQ(BUFFER_SIZE, fat->write(found, &c));

    io::Context readContext;
    SharedMemory* cmi = readAll(fat, readContext, root, FILENAME);
    ASSERT_TRUE(cmi != NULL);
    ASSERT_TRUE(cmi->data() != NULL);
    EXPECT_EQ(0xde, cmi->data()[0]);
    EXPECT_EQ(0xad, cmi->data()[cmi->size() -1]);
    for (int i = 0; i < BUFFER_SIZE; i++) {
        EXPECT_EQ(i, cmi->data()[513 + i]);
    }
}
开发者ID:ShotaroTsuji，项目名称:mona，代码行数:36，代码来源:file.cpp

示例8: Load

    bool Load()
    {
        uint32_t imageSize = 0;
        uint32_t bootstrapSize = getBootstrapSize();
        PEDataList::size_type len = this->list.size();
        for (PEDataList::size_type i = 0; i < len; i++)
        {
            imageSize += this->list[i]->Parser.get_ImageSize();
        }

        imageSize += bootstrapSize;

        SharedMemory* dst = new SharedMemory(imageSize);
        if (dst->map(true) != M_OK)
        {
            delete dst;
            this->Result = 3;
            return false;
        }
        uint32_t addr = 0;
        for (PEDataList::size_type i = 0; i < len; i++)
        {
            PEData* data = this->list[i];
            uint8_t* ptr = &dst->data()[addr];
            if (!data->Parser.Load(ptr))
            {
                if (this->prompt) _printf("%s: can not load: %s\n", SVR, (const char*)data->Name);
#ifdef NO_CACHE
                delete dst;
#endif
                this->Result = 3;
                return false;
            }
            if (i > 0 && !data->Parser.Relocate(ptr, ORG + addr))
            {
                if (this->prompt) _printf("%s: can not relocate: %s\n", SVR, (const char*)data->Name);
#ifdef NO_CACHE
                delete dst;
#endif
                this->Result = 3;
                return false;
            }
            addr += data->Parser.get_ImageSize();
        }
        addr = 0;
        for (PEDataList::size_type i = 0; i < len; i++)
        {
            PEData* data = this->list[i];
            int its = data->Parser.get_ImportTableCount();
            for (int j = 0; j < its; j++)
            {
                CString dll = CString(data->Parser.GetImportTableName(j)).toUpper();
                PEData* target = this->Find(dll);
                if (target == NULL || !data->Parser.Link(&dst->data()[addr], j, &target->Parser))
                {
                    if (this->prompt)
                    {
                        _printf("NG\n");
                        _printf("%s: can not link %s to %s!\n", SVR, (const char*)dll, (const char*)data->Name);
                    }
#ifdef NO_CACHE
                    delete dst;
#endif
                    this->Result = 3;
                    return false;
                }
            }
            addr += data->Parser.get_ImageSize();
        }
        // make bootstrap code
        uint8_t* bootstrap = &dst->data()[dst->size() - bootstrapSize];
        uint8_t* start = &bootstrap[3];
        bootstrap[0] = 0x55; // push ebp
        bootstrap[1] = 0x89; // mov ebp
        bootstrap[2] = 0xE5; // ,esp
        PEDataList::size_type i;
        //char buf[128];
        const uint32_t CALL_CODE_SIZE = 13;

        // dllmain construct
        for (i = 0; i < dlls.size(); i++)
        {
            PEData* dll = dlls[i];
            start[i * CALL_CODE_SIZE] = 0xB8; // mov eax
            *(uint32_t*)(&start[i * CALL_CODE_SIZE + 1]) = dll->Parser.get_EntryPoint(); // ,address
            start[i * CALL_CODE_SIZE + 5] = 0x68; // push
            *(uint32_t*)(&start[i * CALL_CODE_SIZE + 6]) = 0; // 0x00000000 = argument of dllmain
            start[i * CALL_CODE_SIZE + 10] = 0xFF; // call eax
            start[i * CALL_CODE_SIZE + 11] = 0xD0; // call eax
            start[i * CALL_CODE_SIZE + 12] = 0x58; // pop eax
        }
        PEData* exe = list[0];
        start[i * CALL_CODE_SIZE + 0] = 0xB8; // mov eax
        *(uint32_t*)(&start[i * CALL_CODE_SIZE + 1]) = exe->Parser.get_EntryPoint();
        start[i * CALL_CODE_SIZE + 5] = 0xFF;
        start[i * CALL_CODE_SIZE + 6] = 0xD0;
        start = &start[i * CALL_CODE_SIZE + 7];

        // destruct
        for (i = 0; i < dlls.size(); i++)
//.........这里部分代码省略.........
开发者ID:ShotaroTsuji，项目名称:mona，代码行数:101，代码来源:main.cpp


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