diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/file_handle_cache.erl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/file_handle_cache.erl b/src/file_handle_cache.erl index b289e8427a..723f05aec5 100644 --- a/src/file_handle_cache.erl +++ b/src/file_handle_cache.erl @@ -115,6 +115,14 @@ %% fully reopened again as soon as needed, thus users of this library %% do not need to worry about their handles being closed by the server %% - reopening them when necessary is handled transparently. +%% +%% The server also supports obtain and release_on_death. obtain/0 +%% blocks until a file descriptor is available. release_on_death/1 +%% takes a pid and monitors the pid, reducing the count by 1 when the +%% pid dies. Thus the assumption is that obtain/0 is called first, and +%% when that returns, release_on_death/1 is called with the pid who +%% "owns" the file descriptor. This is, for example, used to track the +%% use of file descriptors through network sockets. -behaviour(gen_server). |