Function CheckPosixThreading

tools/cpplint.py:2922–2952

Checks for calls to thread-unsafe functions. Much code has been originally written without consideration of multi-threading. Also, engineers are relying on their old experience; they have learned posix before threading extensions were added. These tests guide the engineers to use th

(filename, clean_lines, linenum, error)

def CheckPosixThreading(filename, clean_lines, linenum, error):
    """Checks for calls to thread-unsafe functions.

    Much code has been originally written without consideration of
    multi-threading. Also, engineers are relying on their old experience;
    they have learned posix before threading extensions were added. These
    tests guide the engineers to use thread-safe functions (when using
    posix directly).

    Args:
      filename: The name of the current file.
      clean_lines: A CleansedLines instance containing the file.
      linenum: The number of the line to check.
      error: The function to call with any errors found.
    """
    line = clean_lines.elided[linenum]
    for single_thread_func, multithread_safe_func, pattern in _THREADING_LIST:
        # Additional pattern matching check to confirm that this is the
        # function we are looking for
        if re.search(pattern, line):
            error(
                filename,
                linenum,
                "runtime/threadsafe_fn",
                2,
                "Consider using "
                + multithread_safe_func
                + "...) instead of "
                + single_thread_func
                + "...) for improved thread safety.",
            )


def CheckVlogArguments(filename, clean_lines, linenum, error):