1 files changed, 26 insertions, 0 deletions
diff --git a/src/syscall/time_fake.go b/src/syscall/time_fake.go
new file mode 100644
index 0000000..b60fe60
--- /dev/null
+++ b/src/syscall/time_fake.go
@@ -0,0 +1,26 @@
+// Copyright 2019 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.
+
+//go:build faketime
+
+package syscall
+
+import "unsafe"
+
+const faketime = true
+
+// When faketime is enabled, we redirect writes to FDs 1 and 2 through
+// the runtime's write function, since that adds the framing that
+// reports the emulated time.
+
+//go:linkname runtimeWrite runtime.write
+func runtimeWrite(fd uintptr, p unsafe.Pointer, n int32) int32
+
+func faketimeWrite(fd int, p []byte) int {
+	var pp *byte
+	if len(p) > 0 {
+		pp = &p[0]
+	}
+	return int(runtimeWrite(uintptr(fd), unsafe.Pointer(pp), int32(len(p))))
+}