// ////////////////////////////////////////////////////////////////////////////
void LogHandlerXFile::OpenFileImpl(const char *file_name)
{
boost::shared_ptr<std::ofstream> tmp_file_ptr(
new std::ofstream(file_name,
(!(my_flags_ & DoNotAppend)) ?
(std::ios_base::app | std::ios_base::ate) :
(std::ios_base::app | std::ios_base::trunc)));
if (tmp_file_ptr->fail())
ThrowErrno("Open attempt failed.");
// CODE NOTE: LogFileHandler buffering test code. To be removed.
std::streambuf *new_buffer_ptr =
tmp_file_ptr->rdbuf()->pubsetbuf(TestFileBuffer, sizeof(TestFileBuffer));
if (new_buffer_ptr == NULL)
ThrowErrno("Attempt to set the log file buffer size to " +
AnyToString(sizeof(TestFileBuffer)) + " bytes failed.");
{
std::string tmp_file_name(file_name);
boost::mutex::scoped_lock my_lock(the_lock_);
if ((out_file_ptr_ != NULL) && out_file_ptr_->is_open()) {
out_file_ptr_->flush();
out_file_ptr_->close();
out_file_ptr_.reset();
}
out_file_ptr_.swap(tmp_file_ptr);
out_file_name_.swap(tmp_file_name);
}
}
// ////////////////////////////////////////////////////////////////////////////
unsigned int GetPageSize()
{
#ifdef __MSDOS__
return(4096); // Whatever...
#elif _Windows
SYSTEM_INFO system_data;
::GetSystemInfo(&system_data);
return(static_cast<unsigned int>(system_data.dwPageSize));
#elif __SVR4
int return_code = ::sysconf(_SC_PAGESIZE);
if (return_code == -1)
ThrowErrno("Invocation of 'sysconf(_SC_PAGESIZE)' failed");
return(static_cast<unsigned int>(return_code));
#else
return(static_cast<unsigned int>(::getpagesize()));
#endif // #ifdef __MSDOS__
}
