fix: allow pollOneoff for EventTypeFdWrite

Note this is still a dirty fix... Eventually upstream needs to fully implement this with some major refactoring of the codebase. Signed-off-by: Gaukas Wang <[email protected]>
refraction-networking · Jan 13, 2024 · 9414800 · 9414800
1 parent 5b45006
commit 9414800
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/imports/wasi_snapshot_preview1/poll.go b/imports/wasi_snapshot_preview1/poll.go
@@ -147,8 +147,10 @@ func pollOneoffFn(_ context.Context, mod api.Module, params []uint64) sys.Errno
 			if fd < 0 {
 				return sys.EBADF
 			}
-			if _, ok := fsc.LookupFile(fd); ok {
-				evt.errno = wasip1.ErrnoNotsup
+			if file, ok := fsc.LookupFile(fd); ok {
+				if !file.File.IsNonblock() {
+					evt.errno = wasip1.ErrnoNotsup
+				}
 			} else {
 				evt.errno = wasip1.ErrnoBadf
 			}