C++ Error::SetErrorToErrno方法代码示例

本文整理汇总了C++中Error::SetErrorToErrno方法的典型用法代码示例。如果您正苦于以下问题：C++ Error::SetErrorToErrno方法的具体用法？C++ Error::SetErrorToErrno怎么用？C++ Error::SetErrorToErrno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Error的用法示例。

在下文中一共展示了Error::SetErrorToErrno方法的15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:

Error
File::Close ()
{
    Error error;
    if (StreamIsValid() && m_own_stream)
    {
        if (::fclose (m_stream) == EOF)
            error.SetErrorToErrno();
    }
    
    if (DescriptorIsValid() && m_own_descriptor)
    {
        if (::close (m_descriptor) != 0)
            error.SetErrorToErrno();
    }
    m_descriptor = kInvalidDescriptor;
    m_stream = kInvalidStream;
    m_options = 0;
    m_own_stream = false;
    m_own_descriptor = false;
    m_is_interactive = eLazyBoolCalculate;
    m_is_real_terminal = eLazyBoolCalculate;
    return error;
}

开发者ID:Jean-Daniel，项目名称:lldb，代码行数:24，代码来源:File.cpp

示例2: if

Error
File::Flush ()
{
    Error error;
    if (StreamIsValid())
    {
        if (::fflush (m_stream) == EOF)
            error.SetErrorToErrno();
    }
    else if (!DescriptorIsValid())
    {
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:eightcien，项目名称:lldb，代码行数:15，代码来源:File.cpp

示例3:

Error
File::Sync ()
{
    Error error;
    if (DescriptorIsValid())
    {
        if (::fsync (m_descriptor) == -1)
            error.SetErrorToErrno();
    }
    else 
    {
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:eightcien，项目名称:lldb，代码行数:15，代码来源:File.cpp

示例4:

static size_t
DoWriteMemory(lldb::pid_t pid, lldb::addr_t vm_addr, const void *buf, 
              size_t size, Error &error)
{
    struct ptrace_io_desc pi_desc;

    pi_desc.piod_op = PIOD_WRITE_D;
    pi_desc.piod_offs = (void *)vm_addr;
    pi_desc.piod_addr = (void *)buf;
    pi_desc.piod_len = size;

    if (PTRACE(PT_IO, pid, (caddr_t)&pi_desc, 0) < 0)
        error.SetErrorToErrno();
    return pi_desc.piod_len;
}

开发者ID:benlangmuir，项目名称:lldb，代码行数:15，代码来源:ProcessMonitor.cpp

示例5: GetDescriptor

Error
File::Write (const void *buf, size_t &num_bytes, off_t &offset)
{
    Error error;
    int fd = GetDescriptor();
    if (fd != kInvalidDescriptor)
    {
#ifndef _WIN32
        ssize_t bytes_written = -1;
        do
        {
            bytes_written = ::pwrite (m_descriptor, buf, num_bytes, offset);
        } while (bytes_written < 0 && errno == EINTR);

        if (bytes_written < 0)
        {
            num_bytes = 0;
            error.SetErrorToErrno();
        }
        else
        {
            offset += bytes_written;
            num_bytes = bytes_written;
        }
#else
        /* FIXME:
         TODO: Make sure num_bytes does not overflow.
         OVERLAPPED overlapped = {};
         overlapped.Offset = static_cast<DWORD>(off);
         overlapped.OffsetHigh = static_cast<DWORD>(off >> 32);
         WriteFile((HANDLE)_get_osfhandle(fd), to, reading, &ret, &overlapped)
         */
        long cur = ::lseek(m_descriptor, 0, SEEK_CUR);
        SeekFromStart(offset);
        error = Write(buf, num_bytes);
        if (!error.Fail()) {
            offset = ::lseek(m_descriptor, 0, SEEK_CUR);
            SeekFromStart(cur);
        }
#endif
    }
    else 
    {
        num_bytes = 0;
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:Jean-Daniel，项目名称:lldb，代码行数:48，代码来源:File.cpp

示例6:

Error
File::SeekFromEnd (off_t& offset)
{
    Error error;
    if (DescriptorIsValid())
    {
        offset = ::lseek (m_descriptor, offset, SEEK_END);
        
        if (offset == -1)
            error.SetErrorToErrno();
    }
    else 
    {
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:filcab，项目名称:lldb，代码行数:17，代码来源:File.cpp

示例7:

uint32_t
File::GetPermissions(const FileSpec &file_spec, Error &error)
{
    if (file_spec)
    {
        struct stat file_stats;
        if (::stat(file_spec.GetCString(), &file_stats) == -1)
            error.SetErrorToErrno();
        else
        {
            error.Clear();
            return file_stats.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
        }
    }
    else
        error.SetErrorString ("empty file spec");
    return 0;
}

开发者ID:wiltonlazary，项目名称:swift-lldb，代码行数:18，代码来源:File.cpp

示例8: OpenAsReader

Error PipePosix::OpenAsReader(llvm::StringRef name,
                              bool child_process_inherit) {
  if (CanRead() || CanWrite())
    return Error("Pipe is already opened");

  int flags = O_RDONLY | O_NONBLOCK;
  if (!child_process_inherit)
    flags |= O_CLOEXEC;

  Error error;
  int fd = ::open(name.data(), flags);
  if (fd != -1)
    m_fds[READ] = fd;
  else
    error.SetErrorToErrno();

  return error;
}

开发者ID:kraj，项目名称:lldb，代码行数:18，代码来源:PipePosix.cpp

示例9: if

Error
File::Write (const void *buf, size_t &num_bytes)
{
    Error error;
    ssize_t bytes_written = -1;
    if (DescriptorIsValid())
    {
        do
        {
            bytes_written = ::write (m_descriptor, buf, num_bytes);
        } while (bytes_written < 0 && errno == EINTR);

        if (bytes_written == -1)
        {
            error.SetErrorToErrno();
            num_bytes = 0;
        }
        else
            num_bytes = bytes_written;
    }
    else if (StreamIsValid())
    {
        bytes_written = ::fwrite (buf, 1, num_bytes, m_stream);

        if (bytes_written == 0)
        {
            if (::feof(m_stream))
                error.SetErrorString ("feof");
            else if (::ferror (m_stream))
                error.SetErrorString ("ferror");
            num_bytes = 0;
        }
        else
            num_bytes = bytes_written;
        
    }
    else 
    {
        num_bytes = 0;
        error.SetErrorString("invalid file handle");
    }

    return error;
}

开发者ID:BlueRiverInteractive，项目名称:lldb，代码行数:44，代码来源:File.cpp

示例10: GetDescriptor

Error
File::Write (const void *buf, size_t &num_bytes, off_t &offset)
{
    Error error;
    int fd = GetDescriptor();
    if (fd != kInvalidDescriptor)
    {
#ifndef _WIN32
        ssize_t bytes_written = -1;
        do
        {
            bytes_written = ::pwrite (m_descriptor, buf, num_bytes, offset);
        } while (bytes_written < 0 && errno == EINTR);

        if (bytes_written < 0)
        {
            num_bytes = 0;
            error.SetErrorToErrno();
        }
        else
        {
            offset += bytes_written;
            num_bytes = bytes_written;
        }
#else
        long cur = ::lseek(m_descriptor, 0, SEEK_CUR);
        error = Write(buf, num_bytes);
        long after = ::lseek(m_descriptor, 0, SEEK_CUR);

        if (!error.Fail())
            SeekFromStart(cur);

        ssize_t bytes_written = after - cur;
        offset = after;
#endif
    }
    else 
    {
        num_bytes = 0;
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:BlueRiverInteractive，项目名称:lldb，代码行数:43，代码来源:File.cpp

示例11: if

Error
ProcessFreeBSD::DoHalt(bool &caused_stop)
{
    Error error;

    if (IsStopped())
    {
        caused_stop = false;
    }
    else if (kill(GetID(), SIGSTOP))
    {
        caused_stop = false;
        error.SetErrorToErrno();
    }
    else
    {
        caused_stop = true;
    }
    return error;
}

开发者ID:hoangt，项目名称:NyuziToolchain，代码行数:20，代码来源:ProcessFreeBSD.cpp

示例12: assert

Error
ProcessPOSIX::DoDestroy()
{
    Error error;

    if (!HasExited())
    {
        assert(m_monitor);
        m_exit_now = true;
        if (!m_monitor->Kill())
        {
            error.SetErrorToErrno();
            return error;
        }

        SetPrivateState(eStateExited);
    }

    return error;
}

开发者ID:jashank，项目名称:freebsd，代码行数:20，代码来源:ProcessPOSIX.cpp

示例13: DoDestroy

Error ProcessFreeBSD::DoDestroy() {
  Error error;

  if (!HasExited()) {
    assert(m_monitor);
    m_exit_now = true;
    if (GetID() == LLDB_INVALID_PROCESS_ID) {
      error.SetErrorString("invalid process id");
      return error;
    }
    if (!m_monitor->Kill()) {
      error.SetErrorToErrno();
      return error;
    }

    SetPrivateState(eStateExited);
  }

  return error;
}

开发者ID:CodaFi，项目名称:swift-lldb，代码行数:20，代码来源:ProcessFreeBSD.cpp

示例14: while

Error
File::Sync ()
{
    Error error;
    if (DescriptorIsValid())
    {
        int err = 0;
        do
        {
            err = ::fsync (m_descriptor);
        } while (err == -1 && errno == EINTR);
        
        if (err == -1)
            error.SetErrorToErrno();
    }
    else 
    {
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:filcab，项目名称:lldb，代码行数:21，代码来源:File.cpp

示例15: if

Error
File::Flush ()
{
    Error error;
    if (StreamIsValid())
    {
        int err = 0;
        do
        {
            err = ::fflush (m_stream);
        } while (err == EOF && errno == EINTR);
        
        if (err == EOF)
            error.SetErrorToErrno();
    }
    else if (!DescriptorIsValid())
    {
        error.SetErrorString("invalid file handle");
    }
    return error;
}

开发者ID:filcab，项目名称:lldb，代码行数:21，代码来源:File.cpp

注：本文中的Error::SetErrorToErrno方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。