From b962d7d791bb13830d62d7ae326780b413463971 Mon Sep 17 00:00:00 2001
From: Brady OBrien <brady.obrien128@gmail.com>
Date: Thu, 17 May 2018 17:58:54 -0500
Subject: Add FreeBSD support

Signed-off-by: Brady OBrien <brady.obrien128@gmail.com>
---
 rwcancel/fdset_default.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 rwcancel/fdset_default.go

(limited to 'rwcancel/fdset_default.go')

diff --git a/rwcancel/fdset_default.go b/rwcancel/fdset_default.go
new file mode 100644
index 0000000..06e2695
--- /dev/null
+++ b/rwcancel/fdset_default.go
@@ -0,0 +1,24 @@
+// +build !freebsd
+
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+package rwcancel
+
+import "golang.org/x/sys/unix"
+
+type fdSet struct {
+	fdset unix.FdSet
+}
+
+func (fdset *fdSet) set(i int) {
+	bits := 32 << (^uint(0) >> 63)
+	fdset.fdset.Bits[i/bits] |= 1 << uint(i%bits)
+}
+
+func (fdset *fdSet) check(i int) bool {
+	bits := 32 << (^uint(0) >> 63)
+	return (fdset.fdset.Bits[i/bits] & (1 << uint(i%bits))) != 0
+}
-- 
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