Implement more socket options. #3347

Job	Run time
Check (stable)	8m 23s
Check nightly-only targets (nightly)	31s
Check (nightly)	8m 17s
Check selected Tier 3 platforms (nightly)	4m 40s
Check --no-default-features (nightly)	1m 10s
Check (1.63)	8m 23s
Rustfmt	9s
Test rustix_use_experimental_asm (powerpc64le-linux)	1m 37s
Test use-libc (ubuntu)	56s
Test (ubuntu)	1m 20s
Test use-libc (i686-linux)	2m 11s
Test (ubuntu-20.04)	1m 3s
Test use-libc (aarch64-linux)	1m 20s
Test (i686-linux)	1m 23s
Test use-libc (powerpc64le-linux)	1m 36s
Test (aarch64-linux)	1m 54s
Test use-libc (riscv64-linux)	1m 32s
Test (powerpc64le-linux)	1m 38s
Test use-libc (arm-linux)	1m 46s
Test (riscv64-linux)	1m 39s
Test (s390x-linux)	2m 55s
Test (arm-linux)	2m 58s
Test (ubuntu-stable)	56s
Test (i686-linux-stable)	1m 26s
Test (aarch64-linux-stable)	2m 13s
Test (riscv64-linux-stable)	2m 0s
Test (s390x-linux-stable)	2m 38s
Test (powerpc64le-linux-stable)	1m 31s
Test (arm-linux-stable)	2m 54s
Test (ubuntu-1.63)	3m 0s
Test (i686-linux-1.63)	2m 56s
Test (aarch64-linux-1.63)	2m 58s
Test (riscv64-linux-1.63)	2m 57s
Test (s390x-linux-1.63)	2m 53s
Test (powerpc64le-linux-1.63)	2m 58s
Test (arm-linux-1.63)	2m 54s
Test (macos-latest)	1m 22s
Test (macos-11)	1m 15s
Test (windows)	1m 24s
Test (windows-2019)	1m 24s
	1h 37m 0s

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