uloop: move epoll code into a separate file
authorFelix Fietkau <nbd@nbd.name>
Tue, 17 May 2016 10:25:19 +0000 (12:25 +0200)
committerFelix Fietkau <nbd@nbd.name>
Tue, 17 May 2016 11:23:38 +0000 (13:23 +0200)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
uloop-epoll.c [new file with mode: 0644]
uloop.c

diff --git a/uloop-epoll.c b/uloop-epoll.c
new file mode 100644 (file)
index 0000000..bb652fd
--- /dev/null
@@ -0,0 +1,108 @@
+/*
+ * uloop - event loop implementation
+ *
+ * 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
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * FIXME: uClibc < 0.9.30.3 does not define EPOLLRDHUP for Linux >= 2.6.17
+ */
+#ifndef EPOLLRDHUP
+#define EPOLLRDHUP 0x2000
+#endif
+
+int uloop_init(void)
+{
+       if (poll_fd >= 0)
+               return 0;
+
+       poll_fd = epoll_create(32);
+       if (poll_fd < 0)
+               return -1;
+
+       fcntl(poll_fd, F_SETFD, fcntl(poll_fd, F_GETFD) | FD_CLOEXEC);
+       return 0;
+}
+
+static int register_poll(struct uloop_fd *fd, unsigned int flags)
+{
+       struct epoll_event ev;
+       int op = fd->registered ? EPOLL_CTL_MOD : EPOLL_CTL_ADD;
+
+       memset(&ev, 0, sizeof(struct epoll_event));
+
+       if (flags & ULOOP_READ)
+               ev.events |= EPOLLIN | EPOLLRDHUP;
+
+       if (flags & ULOOP_WRITE)
+               ev.events |= EPOLLOUT;
+
+       if (flags & ULOOP_EDGE_TRIGGER)
+               ev.events |= EPOLLET;
+
+       ev.data.fd = fd->fd;
+       ev.data.ptr = fd;
+       fd->flags = flags;
+
+       return epoll_ctl(poll_fd, op, fd->fd, &ev);
+}
+
+static struct epoll_event events[ULOOP_MAX_EVENTS];
+
+static int __uloop_fd_delete(struct uloop_fd *sock)
+{
+       sock->flags = 0;
+       return epoll_ctl(poll_fd, EPOLL_CTL_DEL, sock->fd, 0);
+}
+
+static int uloop_fetch_events(int timeout)
+{
+       int n, nfds;
+
+       nfds = epoll_wait(poll_fd, events, ARRAY_SIZE(events), timeout);
+       for (n = 0; n < nfds; ++n) {
+               struct uloop_fd_event *cur = &cur_fds[n];
+               struct uloop_fd *u = events[n].data.ptr;
+               unsigned int ev = 0;
+
+               cur->fd = u;
+               if (!u)
+                       continue;
+
+               if (events[n].events & (EPOLLERR|EPOLLHUP)) {
+                       u->error = true;
+                       if (!(u->flags & ULOOP_ERROR_CB))
+                               uloop_fd_delete(u);
+               }
+
+               if(!(events[n].events & (EPOLLRDHUP|EPOLLIN|EPOLLOUT|EPOLLERR|EPOLLHUP))) {
+                       cur->fd = NULL;
+                       continue;
+               }
+
+               if(events[n].events & EPOLLRDHUP)
+                       u->eof = true;
+
+               if(events[n].events & EPOLLIN)
+                       ev |= ULOOP_READ;
+
+               if(events[n].events & EPOLLOUT)
+                       ev |= ULOOP_WRITE;
+
+               cur->events = ev;
+       }
+
+       return nfds;
+}
diff --git a/uloop.c b/uloop.c
index f2eb50a64a32a835e83210a35110311ad46eb89f..d2784b772bb490ffefd348aa1ee341ff6833d07a 100644 (file)
--- a/uloop.c
+++ b/uloop.c
@@ -68,98 +68,7 @@ static int cur_fd, cur_nfds;
 #endif
 
 #ifdef USE_EPOLL
-
-/**
- * FIXME: uClibc < 0.9.30.3 does not define EPOLLRDHUP for Linux >= 2.6.17
- */
-#ifndef EPOLLRDHUP
-#define EPOLLRDHUP 0x2000
-#endif
-
-int uloop_init(void)
-{
-       if (poll_fd >= 0)
-               return 0;
-
-       poll_fd = epoll_create(32);
-       if (poll_fd < 0)
-               return -1;
-
-       fcntl(poll_fd, F_SETFD, fcntl(poll_fd, F_GETFD) | FD_CLOEXEC);
-       return 0;
-}
-
-static int register_poll(struct uloop_fd *fd, unsigned int flags)
-{
-       struct epoll_event ev;
-       int op = fd->registered ? EPOLL_CTL_MOD : EPOLL_CTL_ADD;
-
-       memset(&ev, 0, sizeof(struct epoll_event));
-
-       if (flags & ULOOP_READ)
-               ev.events |= EPOLLIN | EPOLLRDHUP;
-
-       if (flags & ULOOP_WRITE)
-               ev.events |= EPOLLOUT;
-
-       if (flags & ULOOP_EDGE_TRIGGER)
-               ev.events |= EPOLLET;
-
-       ev.data.fd = fd->fd;
-       ev.data.ptr = fd;
-       fd->flags = flags;
-
-       return epoll_ctl(poll_fd, op, fd->fd, &ev);
-}
-
-static struct epoll_event events[ULOOP_MAX_EVENTS];
-
-static int __uloop_fd_delete(struct uloop_fd *sock)
-{
-       sock->flags = 0;
-       return epoll_ctl(poll_fd, EPOLL_CTL_DEL, sock->fd, 0);
-}
-
-static int uloop_fetch_events(int timeout)
-{
-       int n, nfds;
-
-       nfds = epoll_wait(poll_fd, events, ARRAY_SIZE(events), timeout);
-       for (n = 0; n < nfds; ++n) {
-               struct uloop_fd_event *cur = &cur_fds[n];
-               struct uloop_fd *u = events[n].data.ptr;
-               unsigned int ev = 0;
-
-               cur->fd = u;
-               if (!u)
-                       continue;
-
-               if (events[n].events & (EPOLLERR|EPOLLHUP)) {
-                       u->error = true;
-                       if (!(u->flags & ULOOP_ERROR_CB))
-                               uloop_fd_delete(u);
-               }
-
-               if(!(events[n].events & (EPOLLRDHUP|EPOLLIN|EPOLLOUT|EPOLLERR|EPOLLHUP))) {
-                       cur->fd = NULL;
-                       continue;
-               }
-
-               if(events[n].events & EPOLLRDHUP)
-                       u->eof = true;
-
-               if(events[n].events & EPOLLIN)
-                       ev |= ULOOP_READ;
-
-               if(events[n].events & EPOLLOUT)
-                       ev |= ULOOP_WRITE;
-
-               cur->events = ev;
-       }
-
-       return nfds;
-}
-
+#include "uloop-epoll.c"
 #endif
 
 static bool uloop_fd_stack_event(struct uloop_fd *fd, int events)