代码如下:
static class AsyncFinally
{
static async Task<int> Func( int n )
{
try
{
Console.WriteLine( " Func: Begin #{0}", n );
await TaskEx.Delay( 100 );
Console.WriteLine( " Func: End #{0}", n );
return 0;
}
finally
{
Console.WriteLine( " Func: Finally #{0}", n );
}
}
static async Task Consumer()
{
for ( int i = 1; i <= 2; i++ )
{
Console.WriteLine( "Consumer: before await #{0}", i );
int u = await Func( i );
Console.WriteLine( "Consumer: after await #{0}", i );
}
Console.WriteLine( "Consumer: after the loop" );
}
public static void AsyncTest()
{
Task t = TaskEx.RunEx( Consumer );
t.Wait();
Console.WriteLine( "After the wait" );
}
}
下面是输出:
Consumer: before await #1
Func: Begin #1
Func: End #1
Consumer: after await #1
Consumer: before await #2
Func: Begin #2
Func: Finally #1
Func: End #2
Consumer: after await #2
Consumer: after the loop
Func: Finally #2
After the wait
正如您所看到的,finally块的执行时间比您预期的要晚得多。
有什么解决方法吗?
提前感谢!
https://stackoverflow.com/questions/5032784
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