Dylan DPC 354f19cf24 Rollup merge of #81850 - the8472:env-rwlock, r=m-ou-se ... use RWlock when accessing os::env Multiple threads modifying the current process environment is fairly uncommon. Optimize for the more common read case. r? ````@m-ou-se````		2021-02-12 22:53:33 +01:00
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hermit	deprecate atomic::spin_loop_hint in favour of hint::spin_loop	2021-01-13 16:30:29 +10:00
sgx	deprecate atomic::spin_loop_hint in favour of hint::spin_loop	2021-01-13 16:30:29 +10:00
unix	split guard into read and write types	2021-02-09 19:13:21 +01:00
unsupported	Disambiguate symlink argument names	2020-11-14 14:46:14 -08:00
vxworks	Take some of sys/vxworks/process/* from sys/unix instead.	2020-10-16 06:22:05 +02:00
wasi	Restore comment as it was	2021-02-03 15:46:57 +00:00
wasm	sys: use process::abort() instead of arch::wasm32::unreachable()	2021-01-29 20:25:23 +01:00
windows	Remove outdated comment.	2021-02-08 22:27:34 +01:00
mod.rs	Drop support for cloudabi targets	2020-11-22 17:11:41 -05:00