Disable readv on OpenBSD

common/buf/readv_posix.go

@@ -1,5 +1,5 @@
-//go:build !windows && !wasm && !illumos
-// +build !windows,!wasm,!illumos
+//go:build !windows && !wasm && !illumos && !openbsd
+// +build !windows,!wasm,!illumos,!openbsd
 
 package buf
 

common/buf/readv_reader.go

@@ -1,5 +1,5 @@
-//go:build !wasm
-// +build !wasm
+//go:build !wasm && !openbsd
+// +build !wasm,!openbsd
 
 package buf
 

common/buf/readv_reader_wasm.go → common/buf/readv_reader_stub.go

@@ -1,5 +1,5 @@
-//go:build wasm
-// +build wasm
+//go:build wasm || openbsd
+// +build wasm openbsd
 
 package buf
 

common/buf/readv_test.go

@@ -1,5 +1,5 @@
-//go:build !wasm
-// +build !wasm
+//go:build !wasm && !openbsd
+// +build !wasm,!openbsd
 
 package buf_test