zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/sysdeps/linux/common/setrlimit.c b/ap/build/uClibc/libc/sysdeps/linux/common/setrlimit.c
new file mode 100644
index 0000000..ed773f7
--- /dev/null
+++ b/ap/build/uClibc/libc/sysdeps/linux/common/setrlimit.c
@@ -0,0 +1,69 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setrlimit() 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.
+ */
+
+#define setrlimit64 __hide_setrlimit64
+#include <sys/syscall.h>
+#include <unistd.h>
+#include <sys/resource.h>
+#undef setrlimit64
+
+
+/* Only wrap setrlimit if the new usetrlimit is not present and setrlimit sucks */
+
+#if defined(__NR_usetrlimit)
+
+/* just call usetrlimit() */
+# define __NR___syscall_usetrlimit __NR_usetrlimit
+static __always_inline
+_syscall2(int, __syscall_usetrlimit, enum __rlimit_resource, resource,
+          const struct rlimit *, rlim)
+int setrlimit(__rlimit_resource_t resource, struct rlimit *rlimits)
+{
+	return (__syscall_usetrlimit(resource, rlimits));
+}
+
+#elif !defined(__UCLIBC_HANDLE_OLDER_RLIMIT__)
+
+/* We don't need to wrap setrlimit() */
+_syscall2(int, setrlimit, __rlimit_resource_t, resource,
+		const struct rlimit *, rlim)
+
+#else
+
+/* we have to handle old style setrlimit() */
+# define __NR___syscall_setrlimit __NR_setrlimit
+static __always_inline
+_syscall2(int, __syscall_setrlimit, int, resource, const struct rlimit *, rlim)
+
+int setrlimit(__rlimit_resource_t resource, const struct rlimit *rlimits)
+{
+	struct rlimit rlimits_small;
+
+	if (rlimits == NULL) {
+		__set_errno(EINVAL);
+		return -1;
+	}
+
+	/* We might have to correct the limits values.  Since the old values
+	 * were signed the new values might be too large.  */
+# define RMIN(x, y) ((x) < (y) ? (x) : (y))
+	rlimits_small.rlim_cur = RMIN((unsigned long int) rlimits->rlim_cur,
+								  RLIM_INFINITY >> 1);
+	rlimits_small.rlim_max = RMIN((unsigned long int) rlimits->rlim_max,
+								  RLIM_INFINITY >> 1);
+#undef RMIN
+	return (__syscall_setrlimit(resource, &rlimits_small));
+}
+#endif
+
+libc_hidden_def(setrlimit)
+
+#if defined __UCLIBC_HAS_LFS__ && __WORDSIZE == 64
+strong_alias(setrlimit, setrlimit64)
+#endif