zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/select.c b/ap/build/uClibc/libc/sysdeps/linux/common/select.c
new file mode 100644
index 0000000..029fb08
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/select.c
@@ -0,0 +1,94 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * select() 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/select.h>
+#include <stdint.h>
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sysdep-cancel.h>
+#else
+#define SINGLE_THREAD_P 1
+#endif
+
+#define USEC_PER_SEC 1000000L
+
+extern __typeof(select) __libc_select;
+
+#if !defined(__NR__newselect) && !defined(__NR_select) && defined __USE_XOPEN2K
+# define __NR___libc_pselect6 __NR_pselect6
+static _syscall6(int, __libc_pselect6, int, n, fd_set *, readfds, fd_set *, writefds,
+ fd_set *, exceptfds, const struct timespec *, timeout,
+ const sigset_t *, sigmask)
+
+int __libc_select(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+ struct timeval *timeout)
+{
+ struct timespec _ts, *ts = 0;
+ if (timeout) {
+ uint32_t usec;
+ _ts.tv_sec = timeout->tv_sec;
+
+ /* GNU extension: allow for timespec values where the sub-sec
+ * field is equal to or more than 1 second. The kernel will
+ * reject this on us, so take care of the time shift ourself.
+ * Some applications (like readline and linphone) do this.
+ * See 'clarification on select() type calls and invalid timeouts'
+ * on the POSIX general list for more information.
+ */
+ usec = timeout->tv_usec;
+ if (usec >= USEC_PER_SEC) {
+ _ts.tv_sec += usec / USEC_PER_SEC;
+ usec %= USEC_PER_SEC;
+ }
+ _ts.tv_nsec = usec * 1000;
+
+ ts = &_ts;
+ }
+
+ if (SINGLE_THREAD_P)
+ return __libc_pselect6(n, readfds, writefds, exceptfds, ts, 0);
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = __libc_pselect6(n, readfds, writefds, exceptfds, ts, 0);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+#endif
+
+}
+
+#else
+
+#ifdef __NR__newselect
+# define __NR___syscall_select __NR__newselect
+#else
+# define __NR___syscall_select __NR_select
+#endif
+
+static _syscall5(int, __syscall_select, int, n, fd_set *, readfds,
+ fd_set *, writefds, fd_set *, exceptfds, struct timeval *, timeout);
+
+int __libc_select(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
+ struct timeval *timeout)
+{
+ if (SINGLE_THREAD_P)
+ return __syscall_select(n, readfds, writefds, exceptfds, timeout);
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ int oldtype = LIBC_CANCEL_ASYNC ();
+ int result = __syscall_select(n, readfds, writefds, exceptfds, timeout);
+ LIBC_CANCEL_RESET (oldtype);
+ return result;
+#endif
+}
+
+#endif
+
+weak_alias(__libc_select,select)
+libc_hidden_weak(select)