zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/epoll.c b/ap/build/uClibc/libc/sysdeps/linux/common/epoll.c
new file mode 100644
index 0000000..ab3e73b
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/epoll.c
@@ -0,0 +1,83 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * epoll_create() / epoll_ctl() / epoll_wait() for uClibc
+ *
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <sys/epoll.h>
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+# include <sysdep-cancel.h>
+#else
+# define SINGLE_THREAD_P 1
+#endif
+
+/*
+ * epoll_create()
+ */
+#ifdef __NR_epoll_create
+_syscall1(int, epoll_create, int, size)
+#endif
+
+/*
+ * epoll_create1()
+ */
+#ifdef __NR_epoll_create1
+_syscall1(int, epoll_create1, int, flags)
+#endif
+
+/*
+ * epoll_ctl()
+ */
+#ifdef __NR_epoll_ctl
+_syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, event)
+#endif
+
+/*
+ * epoll_wait()
+ */
+#ifdef __NR_epoll_wait
+extern __typeof(epoll_wait) __libc_epoll_wait;
+int __libc_epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
+{
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
+# endif
+}
+weak_alias(__libc_epoll_wait, epoll_wait)
+#endif
+
+/*
+ * epoll_pwait()
+ */
+#ifdef __NR_epoll_pwait
+# include <signal.h>
+
+extern __typeof(epoll_pwait) __libc_epoll_pwait;
+int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents,
+ int timeout, const sigset_t *set)
+{
+ int nsig = _NSIG / 8;
+ if (SINGLE_THREAD_P)
+ return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ else {
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+ }
+# endif
+}
+weak_alias(__libc_epoll_pwait, epoll_pwait)
+#endif