A simple ThreadPool implemented with an array

Introduced properties

init defaultinit(nb_threads: nullable Int)

pthreads :: ThreadPool :: defaultinit

fun execute(task: Task)

pthreads :: ThreadPool :: execute

Adds a Task into the queue
fun join_all

pthreads :: ThreadPool :: join_all

Join all threads, waiting for all tasks to be completed
fun nb_threads: Int

pthreads :: ThreadPool :: nb_threads

Number of threads used, can only grow after the first call to execute
fun nb_threads=(nb_threads: nullable Int)

pthreads :: ThreadPool :: nb_threads=

Number of threads used, can only grow after the first call to execute

Redefined properties

redef type SELF: ThreadPool

pthreads $ ThreadPool :: SELF

Type of this instance, automatically specialized in every class

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
init defaultinit(nb_threads: nullable Int)

pthreads :: ThreadPool :: defaultinit

fun execute(task: Task)

pthreads :: ThreadPool :: execute

Adds a Task into the queue
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun hash: Int

core :: Object :: hash

The hash code of the object.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
fun join_all

pthreads :: ThreadPool :: join_all

Join all threads, waiting for all tasks to be completed
fun nb_threads: Int

pthreads :: ThreadPool :: nb_threads

Number of threads used, can only grow after the first call to execute
fun nb_threads=(nb_threads: nullable Int)

pthreads :: ThreadPool :: nb_threads=

Number of threads used, can only grow after the first call to execute
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
package_diagram pthreads::ThreadPool ThreadPool core::Object Object pthreads::ThreadPool->core::Object

Parents

interface Object

core :: Object

The root of the class hierarchy.

Class definitions

pthreads $ ThreadPool
# A simple ThreadPool implemented with an array
class ThreadPool
	private var queue = new ConcurrentList[Task]
	private var mutex = new Mutex
	private var cond = new NativePthreadCond
	private var threads = new Array[PoolThread]

	# Number of threads used, can only grow after the first call to `execute`
	var nb_threads = 5 is optional, writable

	private fun create_threads do
		while threads.length < nb_threads do
			var t = new PoolThread(queue, mutex, cond)
			t.start
			threads.add t
		end
	end

	# Adds a Task into the queue
	fun execute(task: Task) do
		create_threads
		queue.push(task)
		cond.signal
	end

	# Join all threads, waiting for all tasks to be completed
	fun join_all do
		# Wait
		for t in threads do t.join

		# Reset
		threads.clear
	end
end
lib/pthreads/threadpool.nit:21,1--54,3