[all-commits] [llvm/llvm-project] 9d4870: [clang][analyzer] Teach the BlockInCriticalSection...

[flovent via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9d487050a144b895950a6fd48b993513a714e69d
      https://github.com/llvm/llvm-project/commit/9d487050a144b895950a6fd48b993513a714e69d
  Author: flovent <144676429+flovent at users.noreply.github.com>
  Date:   2025-02-17 (Mon, 17 Feb 2025)

  Changed paths:
    M clang/lib/StaticAnalyzer/Checkers/BlockInCriticalSectionChecker.cpp
    A clang/test/Analysis/Inputs/system-header-simulator-cxx-std-locks.h
    A clang/test/Analysis/issue-124474.cpp

  Log Message:
  -----------
  [clang][analyzer] Teach the BlockInCriticalSectionChecker about O_NONBLOCK streams (#127049)

this PR close #124474 
when calling `read` and `recv` function for a non-block file descriptor
or a invalid file descriptor(`-1`), it will not cause block inside a
critical section.
this commit checks for non-block file descriptor assigned by `open`
function with `O_NONBLOCK` flag.

---------

Co-authored-by: Balazs Benics <benicsbalazs at gmail.com>



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