The SyncSemaphore classはじめにA cross-platform, native implementation of named and unnamed semaphore objects. A semaphore restricts access to a limited resource to a limited number of instances. Semaphores differ from mutexes in that they can allow more than one instance to access a resource at one time while a mutex only allows one instance at a time. クラス概要SyncSemaphore
class SyncSemaphore
{
/* メソッド */
public __construct(string
$name = ?, int $initialval = 1, bool $autounlock = true)public bool lock(int
$wait = -1)public bool unlock(int
}&$prevcount = ?)
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