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-rw-r--r--vendor/github.com/tetratelabs/wazero/internal/fsapi/poll.go20
1 files changed, 20 insertions, 0 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/fsapi/poll.go b/vendor/github.com/tetratelabs/wazero/internal/fsapi/poll.go
new file mode 100644
index 000000000..25f7c5711
--- /dev/null
+++ b/vendor/github.com/tetratelabs/wazero/internal/fsapi/poll.go
@@ -0,0 +1,20 @@
+package fsapi
+
+// Pflag are bit flags used for File.Poll. Values, including zero, should not
+// be interpreted numerically. Instead, use by constants prefixed with 'POLL'.
+//
+// # Notes
+//
+// - This is like `pollfd.events` flags for `poll` in POSIX. See
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/poll.h.html
+type Pflag uint32
+
+// Only define bitflags we support and are needed by `poll_oneoff` in wasip1
+// See https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#eventrwflags
+const (
+ // POLLIN is a read event.
+ POLLIN Pflag = 1 << iota
+
+ // POLLOUT is a write event.
+ POLLOUT
+)