inline void create_tmp_and_clean_old(std::string &tmp_name)
{
//First get the temp directory
std::string root_tmp_name;
get_tmp_base_dir(root_tmp_name);
//If fails, check that it's because already exists
if(!create_directory(root_tmp_name.c_str())){
error_info info(system_error_code());
if(info.get_error_code() != already_exists_error){
throw interprocess_exception(info);
}
}
#if defined(BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME)
tmp_folder(tmp_name);
//If fails, check that it's because already exists
if(!create_directory(tmp_name.c_str())){
error_info info(system_error_code());
if(info.get_error_code() != already_exists_error){
throw interprocess_exception(info);
}
}
//Now erase all old directories created in the previous boot sessions
std::string subdir = tmp_name;
subdir.erase(0, root_tmp_name.size()+1);
delete_subdirectories(root_tmp_name, subdir.c_str());
#else
tmp_name = root_tmp_name;
#endif
}
inline void tmp_filename(const char *filename, std::string &tmp_name)
{
tmp_folder(tmp_name);
tmp_name += "/";
tmp_name += filename;
}
inline void robust_lock_path(std::string &s)
{
tmp_folder(s);
s += "/";
s += robust_lock_subdir_path();
}