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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:02:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 18:02:34 +0000
commitfadeddfbb2aa38a980dd959b5ec1ffba7afd43cb (patch)
treea7bde6111c84ea64619656a38fba50909fa0bf60 /libevent/epoll_sub.c
parentInitial commit. (diff)
downloadlldpd-fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb.tar.xz
lldpd-fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb.zip
Adding upstream version 1.0.18.upstream/1.0.18upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libevent/epoll_sub.c')
-rw-r--r--libevent/epoll_sub.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/libevent/epoll_sub.c b/libevent/epoll_sub.c
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+++ b/libevent/epoll_sub.c
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+/*
+ * Copyright 2003-2009 Niels Provos <provos@citi.umich.edu>
+ * Copyright 2009-2012 Niels Provos and Nick Mathewson
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "evconfig-private.h"
+#include <stdint.h>
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+#include <errno.h>
+
+int
+epoll_create(int size)
+{
+#if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
+ if (size <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ return (syscall(__NR_epoll_create1, 0));
+#else
+ return (syscall(__NR_epoll_create, size));
+#endif
+}
+
+int
+epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
+{
+
+ return (syscall(__NR_epoll_ctl, epfd, op, fd, event));
+}
+
+int
+epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
+{
+#if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
+ return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
+#else
+ return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
+#endif
+}