Defined in 4 files as a function:
- contrib/apr/poll/unix/epoll.c, line 410 (as a function)
- contrib/apr/poll/unix/kqueue.c, line 407 (as a function)
- contrib/apr/poll/unix/poll.c, line 364 (as a function)
- contrib/apr/poll/unix/port.c, line 525 (as a function)