Class: CrystalRuby::ArcMutex

Inherits:
Object
  • Object
show all
Defined in:
lib/crystalruby/arc_mutex.rb

Instance Method Summary collapse

Instance Method Details

#init_mutex! ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 29

def init_mutex!
  mutex = LibC::PThreadMutexT.new
  res = LibC.pthread_mutex_init(mutex, nil)
  raise "Failed to initialize mutex" unless res.zero?

  mutex
end

#lock ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 37

def lock
  res = LibC.pthread_mutex_lock(phtread_mutex)
  raise "Failed to lock mutex" unless res.zero?
end

#phtread_mutex ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 15

def phtread_mutex
  @phtread_mutex ||= init_mutex!
end

#synchronize ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 19

def synchronize
  lock
  yield
  unlock
end

#to_ptr ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 25

def to_ptr
  phtread_mutex.pointer
end

#unlock ⇒ Object 



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# File 'lib/crystalruby/arc_mutex.rb', line 42

def unlock
  res = LibC.pthread_mutex_unlock(phtread_mutex)
  raise "Failed to unlock mutex" unless res.zero?
end