Triggers a permit acquisition, returning a task that upon evaluation will only complete after a permit has been acquired.
Returns the number of active tasks that are holding on to the available permits.
Returns a task, that upon evaluation will be complete when all the currently acquired permits are released, or in other words when the activeCount is zero.
Returns a task, that upon evaluation will be complete when all the currently acquired permits are released, or in other words when the activeCount is zero.
This also means that we are going to wait for the acquisition and release of all enqueued promises as well.
Creates a new task ensuring that the given source acquires an available permit from the semaphore before it is being executed.
Creates a new task ensuring that the given source acquires an available permit from the semaphore before it is being executed.
The returned task also takes care of resource handling, releasing its permit after being complete.
Returns a task that upon evaluation will release a permit, returning it to the pool.
Returns a task that upon evaluation will release a permit, returning it to the pool.
If there are consumers waiting on permits being available, then the first in the queue will be selected and given a permit immediately.
The
TaskSemaphore
is an asynchronous semaphore implementation that limits the parallelism on task execution.The following example instantiates a semaphore with a maximum parallelism of 10: