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-rw-r--r--src/inotify/bits.go15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/inotify/bits.go b/src/inotify/bits.go
index 3606b52..9162435 100644
--- a/src/inotify/bits.go
+++ b/src/inotify/bits.go
@@ -1,5 +1,7 @@
package inotify
+import "sync/atomic"
+
const (
// Flags for the parameter of InotifyInit1().
// These, oddly, appear to be 24-bit numbers.
@@ -7,8 +9,19 @@ const (
IN_NONBLOCK uint32 = 00004000
)
-type Mask uint32
+// Logically, Fd and Wd should be 'int', not 'int64', to match the OS.
+// But, because there's no 'sync/atomic.SwapInt', we cast up to int64.
+type Wd int64
+type Fd int64
+
+func swapFd(addr *Fd, new Fd) (old Fd) {
+ return Fd(atomic.SwapInt64((*int64)(addr), int64(new)))
+}
+func loadFd(addr *Fd) Fd {
+ return Fd(atomic.LoadInt64((*int64)(addr)))
+}
+type Mask uint32
const (
// Supported events suitable for the `mask` parameter of Inotify.AddWatch().
IN_ACCESS Mask = (1<< 0) // File was accessed.