add optional thread-safety module

This can make Mahoro easier-to-use in multi-threaded apps
where magic concurrency is not required.  For real concurrency,
it is recommended users create per-thread Mahoro objects.

1 files changed, 3 insertions, 0 deletions

diff --git a/mahoro.c b/mahoro.c
index a30946c..01d1cf8 100644
--- a/mahoro.c
+++ b/mahoro.c
@@ -384,6 +384,9 @@ void Init_mahoro(void)
          *        str = File.read('/path/to/file.c')
          *        mahoro_obj.buffer(str) -> 'ASCII C program text'
          *
+         * Mahoro is not thread-safe by default, see Mahoro::ThreadSafe for
+         * making this module thread-safe.
+         *
          * More information about libmagic:
          * https://en.wikipedia.org/wiki/Libmagic
          *