code review 5392041: time: new Time, Duration, ZoneInfo types

src/pkg/runtime/windows/thread.c

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
 #include "type.h"
 #include "defs.h"
 #include "os.h"
 
 #pragma dynimport runtime·CloseHandle CloseHandle "kernel32.dll"
@@ skipping 201 matching lines @@
 {
         int64 filetime;
 
         runtime·stdcall(runtime·GetSystemTimeAsFileTime, 1, &filetime);
 
         // Filetime is 100s of nanoseconds since January 1, 1601.
         // Convert to nanoseconds since January 1, 1970.
         return (filetime - 116444736000000000LL) * 100LL;
 }
 
+void
+time·now(int64 sec, int32 usec)
+{
+        int64 ns;
+········
+        ns = runtime·nanotime();
+        sec = ns / 1000000000LL;
+        usec = ns - sec * 1000000000LL;
+        FLUSH(&sec);
+        FLUSH(&usec);
+}
+
 // Calling stdcall on os stack.
 #pragma textflag 7
 void *
 runtime·stdcall(void *fn, int32 count, ...)
 {
         WinCall c;
 
         c.fn = fn;
         c.n = count;
         c.args = (uintptr*)&count + 1;
@@ skipping 157 matching lines @@
         runtime·stdcall(runtime·SetWaitableTimer, 6,
                 profiletimer, &due, (uintptr)ms, nil, nil, nil);
         runtime·atomicstore((uint32*)&m->profilehz, hz);
 }
 
 void
 os·sigpipe(void)
 {
         runtime·throw("too many writes on closed pipe");
 }