perf: use parking_lot::Mutex

[yiyue-reimu]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 24.22680% with 147 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
qrecovery/src/send/outgoing.rs	0.00%	18 Missing ⚠️
qrecovery/src/recv/incoming.rs	0.00%	12 Missing ⚠️
qrecovery/src/send/writer.rs	0.00%	12 Missing ⚠️
qcongestion/src/congestion.rs	0.00%	11 Missing ⚠️
qrecovery/src/recv/reader.rs	0.00%	9 Missing ⚠️
qbase/src/util/async_deque.rs	27.27%	8 Missing ⚠️
qudp/src/lib.rs	0.00%	8 Missing ⚠️
qconnection/src/connection.rs	0.00%	7 Missing ⚠️
qrecovery/src/streams/data.rs	0.00%	7 Missing ⚠️
qbase/src/flow.rs	0.00%	5 Missing ⚠️
... and 19 more

Files with missing lines	Coverage Δ
qconnection/src/connection/raw.rs	0.00% <ø> (ø)
qconnection/src/connection/scope/initial.rs	0.00% <ø> (ø)
qconnection/src/error.rs	92.30% <100.00%> (ø)
qrecovery/src/recv.rs	0.00% <ø> (ø)
qrecovery/src/recv/recver.rs	0.00% <ø> (ø)
qrecovery/src/send.rs	0.00% <ø> (ø)
qrecovery/src/send/sender.rs	0.00% <ø> (ø)
qunreliable/src/flow.rs	0.00% <ø> (ø)
qconnection/src/connection/transmit/initial.rs	0.00% <0.00%> (ø)
qconnection/src/path/raw.rs	0.00% <0.00%> (ø)
... and 27 more

[huster-zhangpeng]

没必要用它，它有兼容性更差，况且std Mutex已经有过一次升级，吸收了parking_lot的思路，性能已不差，且兼容最好

[huster-zhangpeng]

对外部库的依赖当然越少越好。要说parking_lot足够好，std早吸收了，下面是两者的讨论，大部分时候parking_lot已比不上std的

FYI.
https://users.rust-lang.org/t/which-mutex-to-use-parking-lot-or-std-sync/85060
rust-lang/rust#56410
Amanieu/parking_lot#248