Returns user's runtime directory determined by XDG_RUNTIME_DIR environment variable.
If directory does not exist it tries to create one with appropriate permissions. On fail returns an empty string.
Note: this function is defined only on Posix systems (except for OS X)
Returns user's runtime directory determined by XDG_RUNTIME_DIR environment variable. If directory does not exist it tries to create one with appropriate permissions. On fail returns an empty string. Note: this function is defined only on Posix systems (except for OS X)