Class File
In: lib/fsdb/file-lock.rb
Parent: Object

Extensions to the File class for non-blocking file locking, and for recording a Format in the File object.

Methods

lock_exclusive   lock_exclusive   lock_exclusive   lock_shared   lock_shared   lock_shared  

Constants

CAN_DELETE_OPEN_FILE = !FSDB::PLATFORM_IS_WINDOWS
CAN_OPEN_DIR = !FSDB::PLATFORM_IS_WINDOWS
LOCK_BLOCK_FIXED_VER = "1.8.2"
LOCK_DOESNT_BLOCK = [RUBY_VERSION, LOCK_BLOCK_FIXED_VER]. map {|s| s.split('.')}.sort[0].join('.') == LOCK_BLOCK_FIXED_VER

Attributes

format  [RW] 

Public Instance methods

lock_exclusive(lock_type

no flock() on WinME

lock_exclusive(lock_type)

Get an exclusive (i.e., write) lock on the file. If the lock is not available, wait for it without blocking other ruby threads.

lock_shared(lock_type)

Get a shared (i.e., read) lock on the file. If the lock is not available, wait for it without blocking other ruby threads.

[Validate]