More competition should drive prices for callsdown dramatically.
越来越多的竞争也让通话费用有了大幅的下降。
2
The BSD part of the kernel callsdown to the Mach part, but can call these functions directly, not requiring a Mach message.
内核的BSD部分可以调用内核的Mach部分,是直接调用这些功能,而不需要通过Mach消息。
3
Using this method, I have seen the number of IO calls in the initial download size of an application be reduced from over 200 callsdown to just two or three.