diff options
Diffstat (limited to 'prelude.rb')
-rw-r--r-- | prelude.rb | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/prelude.rb b/prelude.rb index 1d084dfd8f..40fca6ab36 100644 --- a/prelude.rb +++ b/prelude.rb @@ -1,7 +1,9 @@ - -# Mutex - class Mutex + # call-seq: + # mutex.synchronize { ... } + # + # Obtains a lock, runs the block, and releases the lock when the + # block completes. See the example under Mutex. def synchronize self.lock begin @@ -12,10 +14,16 @@ class Mutex end end -# Thread - class Thread + # :nodoc: MUTEX_FOR_THREAD_EXCLUSIVE = Mutex.new + + # call-seq: + # Thread.exclusive { block } => obj + # + # Wraps a block in Thread.critical, restoring the original value + # upon exit from the critical section, and returns the value of the + # block. def self.exclusive MUTEX_FOR_THREAD_EXCLUSIVE.synchronize{ yield |