uloop: move kqueue code into a separate file

[project/libubox.git] / uloop.c

diff --git a/uloop.c b/uloop.c
index ea160a0..f2eb50a 100644 (file)
--- a/uloop.c
+++ b/uloop.c
@@ -1,7 +1,7 @@
 /*
  * uloop - event loop implementation
  *
- * Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2010-2016 Felix Fietkau <nbd@openwrt.org>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -64,139 +64,7 @@ static struct uloop_fd_event cur_fds[ULOOP_MAX_EVENTS];
 static int cur_fd, cur_nfds;
 
 #ifdef USE_KQUEUE
-
-int uloop_init(void)
-{
-       struct timespec timeout = { 0, 0 };
-       struct kevent ev = {};
-
-       if (poll_fd >= 0)
-               return 0;
-
-       poll_fd = kqueue();
-       if (poll_fd < 0)
-               return -1;
-
-       EV_SET(&ev, SIGCHLD, EVFILT_SIGNAL, EV_ADD, 0, 0, 0);
-       kevent(poll_fd, &ev, 1, NULL, 0, &timeout);
-
-       return 0;
-}
-
-
-static uint16_t get_flags(unsigned int flags, unsigned int mask)
-{
-       uint16_t kflags = 0;
-
-       if (!(flags & mask))
-               return EV_DELETE;
-
-       kflags = EV_ADD;
-       if (flags & ULOOP_EDGE_TRIGGER)
-               kflags |= EV_CLEAR;
-
-       return kflags;
-}
-
-static struct kevent events[ULOOP_MAX_EVENTS];
-
-static int register_kevent(struct uloop_fd *fd, unsigned int flags)
-{
-       struct timespec timeout = { 0, 0 };
-       struct kevent ev[2];
-       int nev = 0;
-       unsigned int fl = 0;
-       unsigned int changed;
-       uint16_t kflags;
-
-       if (flags & ULOOP_EDGE_DEFER)
-               flags &= ~ULOOP_EDGE_TRIGGER;
-
-       changed = flags ^ fd->flags;
-       if (changed & ULOOP_EDGE_TRIGGER)
-               changed |= flags;
-
-       if (changed & ULOOP_READ) {
-               kflags = get_flags(flags, ULOOP_READ);
-               EV_SET(&ev[nev++], fd->fd, EVFILT_READ, kflags, 0, 0, fd);
-       }
-
-       if (changed & ULOOP_WRITE) {
-               kflags = get_flags(flags, ULOOP_WRITE);
-               EV_SET(&ev[nev++], fd->fd, EVFILT_WRITE, kflags, 0, 0, fd);
-       }
-
-       if (!flags)
-               fl |= EV_DELETE;
-
-       fd->flags = flags;
-       if (kevent(poll_fd, ev, nev, NULL, fl, &timeout) == -1)
-               return -1;
-
-       return 0;
-}
-
-static int register_poll(struct uloop_fd *fd, unsigned int flags)
-{
-       if (flags & ULOOP_EDGE_TRIGGER)
-               flags |= ULOOP_EDGE_DEFER;
-       else
-               flags &= ~ULOOP_EDGE_DEFER;
-
-       return register_kevent(fd, flags);
-}
-
-static int __uloop_fd_delete(struct uloop_fd *fd)
-{
-       return register_poll(fd, 0);
-}
-
-static int uloop_fetch_events(int timeout)
-{
-       struct timespec ts;
-       int nfds, n;
-
-       if (timeout >= 0) {
-               ts.tv_sec = timeout / 1000;
-               ts.tv_nsec = (timeout % 1000) * 1000000;
-       }
-
-       nfds = kevent(poll_fd, NULL, 0, events, ARRAY_SIZE(events), timeout >= 0 ? &ts : NULL);
-       for (n = 0; n < nfds; n++) {
-               struct uloop_fd_event *cur = &cur_fds[n];
-               struct uloop_fd *u = events[n].udata;
-               unsigned int ev = 0;
-
-               cur->fd = u;
-               if (!u)
-                       continue;
-
-               if (events[n].flags & EV_ERROR) {
-                       u->error = true;
-                       if (!(u->flags & ULOOP_ERROR_CB))
-                               uloop_fd_delete(u);
-               }
-
-               if(events[n].filter == EVFILT_READ)
-                       ev |= ULOOP_READ;
-               else if (events[n].filter == EVFILT_WRITE)
-                       ev |= ULOOP_WRITE;
-
-               if (events[n].flags & EV_EOF)
-                       u->eof = true;
-               else if (!ev)
-                       cur->fd = NULL;
-
-               cur->events = ev;
-               if (u->flags & ULOOP_EDGE_DEFER) {
-                       u->flags &= ~ULOOP_EDGE_DEFER;
-                       u->flags |= ULOOP_EDGE_TRIGGER;
-                       register_kevent(u, u->flags);
-               }
-       }
-       return nfds;
-}
-
+#include "uloop-kqueue.c"
 #endif
 
 #ifdef USE_EPOLL