Yuki Okushi 90f6d7becb
Rollup merge of #87354 - Wind-River:2021_master, r=kennytm
Update VxWork's UNIX support

1. VxWorks does not provide glibc
2. VxWorks does provide `sigemptyset` and `sigaddset`

Note: these changes are concurrent to [this PR](https://github.com/rust-lang/libc/pull/2295) in libc.
2021-07-27 19:52:42 +09:00
..
2021-06-01 21:32:29 +02:00