[all-commits] [llvm/llvm-project] 73dd73: [libc] implement sys/uio/writev (#122233)

[Schrodinger ZHU Yifan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 73dd730fb9403ca648a46b489bf04e27b2a93840
      https://github.com/llvm/llvm-project/commit/73dd730fb9403ca648a46b489bf04e27b2a93840
  Author: Schrodinger ZHU Yifan <yifanzhu at rochester.edu>
  Date:   2025-01-10 (Fri, 10 Jan 2025)

  Changed paths:
    M libc/config/linux/aarch64/entrypoints.txt
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/hdr/types/CMakeLists.txt
    A libc/hdr/types/struct_iovec.h
    M libc/include/CMakeLists.txt
    A libc/include/sys/uio.h.def
    A libc/include/sys/uio.yaml
    M libc/src/sys/CMakeLists.txt
    A libc/src/sys/uio/CMakeLists.txt
    A libc/src/sys/uio/linux/CMakeLists.txt
    A libc/src/sys/uio/linux/writev.cpp
    A libc/src/sys/uio/writev.h
    M libc/test/src/sys/CMakeLists.txt
    A libc/test/src/sys/uio/CMakeLists.txt
    A libc/test/src/sys/uio/writev_test.cpp

  Log Message:
  -----------
  [libc] implement sys/uio/writev (#122233)

implement sys/uio/writev according to POSIX standard. This vectorized IO
API is needed by many logging libraries to achieve atomic logging
multiple strings.



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