Use atomic create for lock

Author: roulpriya

Sources/SwiftlyCore/FileLock.swift

@@ -18,30 +18,27 @@ public actor FileLock {
         self.filePath = path
     }
 
-    public func tryLock() async -> Bool {
+    public func tryLock() async throws -> Bool {
         do {
             guard !self.isLocked else { return true }
-
-            guard !(try await FileSystem.exists(atPath: self.filePath)) else {
-                return false
-            }
-            // Create the lock file with exclusive permissions
-            try await FileSystem.create(.mode(0o600), file: self.filePath, contents: nil)
+            let fileURL = URL(fileURLWithPath: self.filePath.string)
+            let contents = Data() // Empty data to create a lock file
+            try contents.write(to: fileURL, options: .withoutOverwriting)
             self.isLocked = true
             return true
-        } catch {
+        } catch CocoaError.fileWriteFileExists {
             return false
         }
     }
 
     public func waitForLock(
         timeout: TimeInterval = FileLock.defaultTimeout,
         pollingInterval: TimeInterval = FileLock.defaultPollingInterval
-    ) async -> Bool {
+    ) async throws -> Bool {
         let start = Date()
 
         while Date().timeIntervalSince(start) < timeout {
-            if await self.tryLock() {
+            if try await self.tryLock() {
                 return true
             }
             try? await Task.sleep(for: .seconds(pollingInterval))
@@ -65,7 +62,7 @@ public func withLock<T>(
     action: @escaping () async throws -> T
 ) async throws -> T {
     let lock = FileLock(at: lockFile)
-    guard await lock.waitForLock(timeout: timeout, pollingInterval: pollingInterval) else {
+    guard try await lock.waitForLock(timeout: timeout, pollingInterval: pollingInterval) else {
         throw SwiftlyError(message: "Failed to acquire file lock at \(lock.filePath)")
     }