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std.os: add sysconf(), getDefaultPageSize() with smoke tests #16638

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wants to merge 3 commits into from
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std.os: add sysconf(), getDefaultPageSize() with smoke tests #16638

wants to merge 3 commits into from

Commits on Aug 22, 2023

  1. std.os: add sysconf(), getDefaultPageSize() with smoke tests 

    sysconf() abstracts posix sysconf for comptime- and runtime probing.

getDefaultPageSize() reads the Kernel provided default page size,
which remains constant from program start to end.

Reproduce added abi bits with:
git clone --depth=1 https://github.com/DragonFlyBSD/DragonFlyBSD
git clone --depth=1 https://git.FreeBSD.org/src.git freebsd
git clone --depth=1 https://fuchsia.googlesource.com/fuchsia
git clone --depth=1 https://github.com/haiku/haiku
git clone --depth=1 https://github.com/Stichting-MINIX-Research-Foundation/minix/
git clone --depth=1 https://github.com/NetBSD/src netbsd
git clone --depth=1 https://github.com/openbsd/src openbsd
git clone --depth=1 https://github.com/kofemann/opensolaris
git clone --depth=1 https://github.com/apple-open-source-mirror/Libc
rg 'define.*_SC_PAGE_SIZE' -B 1 --vimgrep

Closes ziglang#11308.
    @matu3ba
    matu3ba committed Aug 22, 2023
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  2. const choice -> var choice

    @matu3ba
    matu3ba committed Aug 22, 2023
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  3. expect wasm32 to have 64KB page size

    @matu3ba
    matu3ba committed Aug 22, 2023
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