Class: PThread::MutexAttr

Inherits:
Object
  • Object
show all
Includes:
PThread, Helper
Defined in:
lib/scratch.rb

Constant Summary

Constants included from Helper

Helper::MAP_FAILED, Helper::MAP_PRIVATE, Helper::MAP_SHARED, Helper::O_CREAT, Helper::O_RDWR, Helper::PROT_EXEC, Helper::PROT_NONE, Helper::PROT_READ, Helper::PROT_WRITE, Helper::PTHREAD_PROCESS_SHARED

Class Method Summary collapse

Instance Method Summary collapse

Methods included from PThread

call, test

Constructor Details

#initialize(ptr = MutexAttr.alloc) ⇒ MutexAttr

Returns a new instance of MutexAttr.



215
216
217
218
219
220
 
# File 'lib/scratch.rb', line 215

def initialize(ptr = MutexAttr.alloc)
  puts "have #{ptr}"
  @ptr = ptr
  PThread.call { pthread_mutexattr_init(@ptr) }
  self.type = type if type
end

Class Method Details

.alloc ⇒ Object 



210
211
212
 
# File 'lib/scratch.rb', line 210

def alloc
  FFI::MemoryPointer.new(Helper.sizeof_pthread_mutexattr_t)
end

Instance Method Details

#pointer ⇒ Object 



222
223
224
 
# File 'lib/scratch.rb', line 222

def pointer
  @ptr
end

#pshared=(val) ⇒ Object 



226
227
228
 
# File 'lib/scratch.rb', line 226

def pshared=(val)
  PThread.call { pthread_mutexattr_setpshared(@ptr, val) }
end

#type ⇒ Object 



234
235
236
237
238
 
# File 'lib/scratch.rb', line 234

def type
  t = FFI::MemoryPointer.new(:int)
  PThread.call { pthread_mutexattr_gettype(@ptr, t) }
  t.get_int(0)
end

#type=(type) ⇒ Object 



230
231
232
 
# File 'lib/scratch.rb', line 230

def type=(type)
  PThread.call { pthread_mutexattr_settype(@ptr, type) }
end