[all-commits] [llvm/llvm-project] 57614a: [libc][sys/wait][linux] add missing and clean up e...

[Nick Desaulniers via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 57614a340ce795c6a6443362e1d24b2725853294
      https://github.com/llvm/llvm-project/commit/57614a340ce795c6a6443362e1d24b2725853294
  Author: Nick Desaulniers <ndesaulniers at google.com>
  Date:   2025-02-05 (Wed, 05 Feb 2025)

  Changed paths:
    M libc/include/llvm-libc-macros/linux/sys-wait-macros.h

  Log Message:
  -----------
  [libc][sys/wait][linux] add missing and clean up existing macros (#125572)

This patch does a few things:
- replace macro definitions with an inclusion of the linux/wait.h kernel
  header.
  - WNOHANG
  - WUNTRACED
  - WEXITED
  - WCONTINUED
  - WSTOPPED
  - P_ALL
  - P_PID
  - P_PGID
  - P_PIDFD
- Add missing macro definitions mandated by POSIX. Some are needed to
  build LLVM.
  - WCOREDUMP
  - WIFCONTINUED
  - WIFSIGNALELD
  - WIFSTOPPED
  - WSTOPSIG
- Remove glibc style __W* macros. Users should stick with the POSIX
  macros. We can re-add them if necessary.
  - __WEXITSTATUS
  - __WTERMSIG
  - __WIFEXITED
  - __WIFSIGNALED
  - __WIFSTOPPED
  - __WIFCONTINUED
  - __WCOREDUMP
  - __W_EXITCODE
  - __W_STOPCODE
  - __W_CONTINUED
  - __WCOREFLAG

Fixes: #124944



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