Re: Manipulating C code at the AST level, in C

Nuno Silva <[email protected]> writes:
>(Given I'm commenting on the content of the online manual on a Linux
>system, I'm adding and followingup-to comp.os.linux.misc.)
>
>On 2026-08-11, Lawrence D’Oliveiro wrote:
>
>> On Mon, 10 Aug 2026 17:41:30 -0300, Anton Antimo wrote:
>>
>>> For select (called unix-fast-select in SBCL), see sb-unix.
>>
>> select(2) is considered an archaic way of doing things these days,
>> because of its ABI limitations. The modern way is poll()
>> <https://manpages.debian.org/poll(2)> (POSIX) or even epoll()
>> <https://manpages.debian.org/epoll(7)> (Linux-specific).
>
>The online manual here (a GNU/Linux system) says:
>
>    "poll, ppoll - wait for some event on a file descriptor"
>
>Perhaps that should be rewritten. Reading further, it's not singular,

Perhaps you'd be better off consulting the definitive
manual page for poll/ppoll.

https://pubs.opengroup.org/onlinepubs/9799919799/functions/ppoll.html

NAME

    poll, ppoll - input/output multiplexing

SYNOPSIS

    #include <poll.h>

    int poll(struct pollfd fds[], nfds_t nfds, int timeout);
    int ppoll(struct pollfd fds[], nfds_t nfds,
           const struct timespec *restrict timeout,
           const sigset_t *restrict sigmask);