From 9b5e9ee31fcc6530ff188b60a9d11933e61716f7 Mon Sep 17 00:00:00 2001
From: Dandan Zhang <zhangdandan@loongson.cn>
Date: Mon, 30 Oct 2023 11:39:24 +0000
Subject: [PATCH] Build on loong64

---
 core/open_out_log_linux_loong64.go | 23 +++++++++++++++++++++++
 core/open_out_log_unix.go          |  3 ++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 core/open_out_log_linux_loong64.go

diff --git a/core/open_out_log_linux_loong64.go b/core/open_out_log_linux_loong64.go
new file mode 100644
index 00000000..7fb618a6
--- /dev/null
+++ b/core/open_out_log_linux_loong64.go
@@ -0,0 +1,23 @@
+//go:build linux && loong64
+// +build linux,loong64
+
+// Copyright 2017 LinkedIn Corp. Licensed under the Apache License, Version
+// 2.0 (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
+package core
+
+import (
+	"syscall"
+)
+
+// linux_loong64 doesn't have syscall.Dup2, so use
+// the nearly identical syscall.Dup3 instead
+func internalDup2(oldfd uintptr, newfd uintptr) error {
+	return syscall.Dup3(int(oldfd), int(newfd), 0)
+}
diff --git a/core/open_out_log_unix.go b/core/open_out_log_unix.go
index d1c04187..68d632f5 100644
--- a/core/open_out_log_unix.go
+++ b/core/open_out_log_unix.go
@@ -1,6 +1,7 @@
-//go:build !windows && !(linux && arm64)
+//go:build !windows && !(linux && arm64) && !(linux && loong64)
 // +build !windows
 // +build !linux !arm64
+// +build !linux !loong64
 
 // Copyright 2017 LinkedIn Corp. Licensed under the Apache License, Version
 // 2.0 (the "License"); you may not use this file except in compliance with