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-rw-r--r--src/internal/poll/fcntl_libc.go13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/internal/poll/fcntl_libc.go b/src/internal/poll/fcntl_libc.go
new file mode 100644
index 0000000..642472b
--- /dev/null
+++ b/src/internal/poll/fcntl_libc.go
@@ -0,0 +1,13 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build aix darwin solaris
+
+package poll
+
+import _ "unsafe" // for go:linkname
+
+// Implemented in the syscall package.
+//go:linkname fcntl syscall.fcntl
+func fcntl(fd int, cmd int, arg int) (int, error)