Support aarch64/arm64 by using dup3 instead of dup2

log/log.go

@@ -5,7 +5,6 @@ import (
 	"log"
 	"log/syslog"
 	"os"
-	"syscall"
 )
 
 type Logger struct {
@@ -52,18 +51,4 @@ func Reopen() {
 	Log.Notice("Reopened log file per IPC request")
 }
 
-// If there are any existing fd's (e.g. we're reopening logs), we rely
-// on garbage collection to clean them up for us.
-func LogRedirectStdOutToFile(logPath string) {
-	path = logPath
-	if logPath == "" {
-		Log.Fatal("Log Path not set")
-	}
 
-	logFile, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
-	if err != nil {
-		Log.Fatal(err)
-	}
-	syscall.Dup2(int(logFile.Fd()), 1)
-	syscall.Dup2(int(logFile.Fd()), 2)
-}

log/log_redirect.go

@@ -0,0 +1,25 @@
+// +build !arm64
+
+package log
+
+import (
+	"os"
+	"syscall"
+)
+
+// If there are any existing fd's (e.g. we're reopening logs), we rely
+// on garbage collection to clean them up for us.
+func LogRedirectStdOutToFile(logPath string) {
+	path = logPath
+	if logPath == "" {
+		Log.Fatal("Log Path not set")
+	}
+
+	logFile, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
+	if err != nil {
+		Log.Fatal(err)
+	}
+
+	syscall.Dup2(int(logFile.Fd()), 1)
+	syscall.Dup2(int(logFile.Fd()), 2)
+}

log/log_redirect_arm64.go

@@ -0,0 +1,23 @@
+package log
+
+import (
+	"os"
+	"syscall"
+)
+
+// If there are any existing fd's (e.g. we're reopening logs), we rely
+// on garbage collection to clean them up for us.
+func LogRedirectStdOutToFile(logPath string) {
+	path = logPath
+	if logPath == "" {
+		Log.Fatal("Log Path not set")
+	}
+
+	logFile, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
+	if err != nil {
+		Log.Fatal(err)
+	}
+
+	syscall.Dup3(int(logFile.Fd()), 1, 0)
+	syscall.Dup3(int(logFile.Fd()), 2, 0)
+}