コード例 #1
0
        /// <summary>
        /// Executes provided function as critical section, acquiring the specified lock, executing a statement, and then
        /// releasing the lock.
        /// </summary>
        /// <param name="lock">Synchronization object to use.</param>
        /// <param name="action">Asynchronous action to execute.</param>
        /// <param name="cancellationToken">Cancellation token.</param>
        /// <returns>
        /// Task which is completed after the operation has been performed and the lock has been released.
        /// </returns>
        public static async Task SynchronizedAsync(this ILockAsync @lock, AsyncAction action, CancellationToken cancellationToken)
        {
            await @lock.LockAsync(cancellationToken);

            try
            {
                await action.InvokeAsync(cancellationToken);
            }
            finally
            {
                @lock.Release();
            }
        }
コード例 #2
0
        /// <summary>
        /// Executes provided function as critical section, acquiring the specified lock, executing a statement, and then
        /// releasing the lock.
        /// </summary>
        /// <param name="lock">Synchronization object to use.</param>
        /// <param name="func">Asynchronous function to execute.</param>
        /// <param name="cancellationToken">Cancellation token.</param>
        /// <returns>
        /// Task which is completed after the operation has been performed and the lock has been released.
        /// </returns>
        public static async Task <T> SynchronizedAsync <T>(this ILockAsync @lock, AsyncFunc <T> func, CancellationToken cancellationToken)
        {
            await @lock.LockAsync(cancellationToken);

            try
            {
                return(await func(cancellationToken));
            }
            finally
            {
                @lock.Release();
            }
        }