lib: establish Zircon libc++ and KTL foundation

1 files changed, 39 insertions, 0 deletions

diff --git a/lib/ktl/include/time.h b/lib/ktl/include/time.h
new file mode 100644
index 0000000..138801f
--- /dev/null
+++ b/lib/ktl/include/time.h
@@ -0,0 +1,39 @@
+// Copyright 2020 The Fuchsia Authors
+//
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT
+
+#ifndef ZIRCON_KERNEL_LIB_KTL_INCLUDE_TIME_H_
+#define ZIRCON_KERNEL_LIB_KTL_INCLUDE_TIME_H_
+
+#include <stddef.h>
+
+// <zircon/time.h> uses these when __has_include(<time.h>).
+typedef long int time_t;
+struct timespec {
+  time_t tv_sec;
+  long int tv_nsec;
+};
+
+// The kernel doesn't want this file but some libc++ headers we need
+// wind up including it and they need these declarations.
+
+#ifdef __cplusplus
+
+using clock_t = long int;
+struct tm {};
+char* asctime(tm*) noexcept;
+clock_t clock() noexcept;
+char* ctime(const time_t*) noexcept;
+double difftime(time_t, time_t) noexcept;
+tm* gmtime(const time_t*) noexcept;
+tm* localtime(const time_t*) noexcept;
+time_t mktime(tm*) noexcept;
+size_t strftime(char*, size_t, const char*, const tm*) noexcept;
+time_t time(time_t*) noexcept;
+int timespec_get(timespec* ts, int) noexcept;
+
+#endif  // __cplusplus
+
+#endif  // ZIRCON_KERNEL_LIB_KTL_INCLUDE_TIME_H_