From 2609c72beee098c6afe4bbc3344a1fcee06df94b Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Thu, 29 May 2025 21:30:53 +0200
Subject: idleMonitor: switch to the new atomic.Bool api

---
 internal/fusefrontend/node_prepare_syscall.go | 3 +--
 internal/fusefrontend/root_node.go            | 2 +-
 mount.go                                      | 3 +--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/internal/fusefrontend/node_prepare_syscall.go b/internal/fusefrontend/node_prepare_syscall.go
index 2a4d6ab..9021350 100644
--- a/internal/fusefrontend/node_prepare_syscall.go
+++ b/internal/fusefrontend/node_prepare_syscall.go
@@ -1,7 +1,6 @@
 package fusefrontend
 
 import (
-	"sync/atomic"
 	"syscall"
 
 	"github.com/rfjakob/gocryptfs/v2/internal/tlog"
@@ -24,7 +23,7 @@ func (n *Node) prepareAtSyscall(child string) (dirfd int, cName string, errno sy
 
 	// All filesystem operations go through here, so this is a good place
 	// to reset the idle marker.
-	atomic.StoreUint32(&rn.IsIdle, 0)
+	rn.IsIdle.Store(false)
 
 	if n.IsRoot() && rn.isFiltered(child) {
 		return -1, "", syscall.EPERM
diff --git a/internal/fusefrontend/root_node.go b/internal/fusefrontend/root_node.go
index d2950a1..8464c5f 100644
--- a/internal/fusefrontend/root_node.go
+++ b/internal/fusefrontend/root_node.go
@@ -45,7 +45,7 @@ type RootNode struct {
 	// (uint32 so that it can be reset with CompareAndSwapUint32).
 	// When -idle was used when mounting, idleMonitor() sets it to 1
 	// periodically.
-	IsIdle uint32
+	IsIdle atomic.Bool
 	// dirCache caches directory fds
 	dirCache dirCache
 	// inoMap translates inode numbers from different devices to unique inode
diff --git a/mount.go b/mount.go
index fe82c0c..1005a39 100644
--- a/mount.go
+++ b/mount.go
@@ -13,7 +13,6 @@ import (
 	"runtime"
 	"runtime/debug"
 	"strings"
-	"sync/atomic"
 	"syscall"
 	"time"
 
@@ -181,7 +180,7 @@ func idleMonitor(idleTimeout time.Duration, fs *fusefrontend.RootNode, srv *fuse
 	}
 	for {
 		// Atomically check whether the flag is 0 and reset it to 1 if so.
-		isIdle := !atomic.CompareAndSwapUint32(&fs.IsIdle, 0, 1)
+		isIdle := !fs.IsIdle.CompareAndSwap(false, true)
 		// Any form of current or recent access resets the idle counter.
 		openFileCount := openfiletable.CountOpenFiles()
 		if !isIdle || openFileCount > 0 {
-- 
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