Implement more socket options. (#858) #3352

Job	Run time
Check --no-default-features (nightly)	1m 25s
Check (stable)	9m 1s
Check selected Tier 3 platforms (nightly)	6m 15s
Check (nightly)	9m 45s
Check (1.63)	15m 4s
Test (ubuntu)	1m 2s
Test (ubuntu-20.04)	1m 2s
Check nightly-only targets (nightly)	33s
Test (i686-linux)	1m 28s
Rustfmt	6s
Test (aarch64-linux)	4m 0s
Test rustix_use_experimental_asm (powerpc64le-linux)	4m 31s
Test (powerpc64le-linux)	3m 13s
Test (riscv64-linux)	4m 3s
Test use-libc (ubuntu)	1m 35s
Test (s390x-linux)	4m 16s
Test (arm-linux)	3m 41s
Test use-libc (i686-linux)	1m 36s
Test (ubuntu-stable)	59s
Test use-libc (aarch64-linux)	4m 11s
Test (i686-linux-stable)	1m 36s
Test use-libc (powerpc64le-linux)	3m 23s
Test (aarch64-linux-stable)	6m 19s
Test use-libc (riscv64-linux)	3m 18s
Test (riscv64-linux-stable)	3m 5s
Test use-libc (arm-linux)	4m 16s
Test (s390x-linux-stable)	3m 13s
Test (powerpc64le-linux-stable)	3m 40s
Test (arm-linux-stable)	3m 27s
Test (ubuntu-1.63)	4m 34s
Test (i686-linux-1.63)	4m 45s
Test (aarch64-linux-1.63)	9m 25s
Test (riscv64-linux-1.63)	8m 42s
Test (s390x-linux-1.63)	6m 49s
Test (powerpc64le-linux-1.63)	6m 39s
Test (arm-linux-1.63)	6m 54s
Test (macos-latest)	1m 15s
Test (macos-11)	1m 14s
Test (windows)	1m 28s
Test (windows-2019)	1m 30s
	2h 43m 18s

Provide feedback