Stub out SSL_waiting_for_async

Author: ctz

MATRIX.md

@@ -499,7 +499,7 @@
 | `SSL_use_psk_identity_hint` [^psk] |  |  |  |  |
 | `SSL_verify_client_post_handshake`  |  |  |  | :exclamation: [^stub] |
 | `SSL_version`  |  | :white_check_mark: |  | :white_check_mark: |
-| `SSL_waiting_for_async`  |  |  | :white_check_mark: |  |
+| `SSL_waiting_for_async`  |  |  | :white_check_mark: | :exclamation: [^stub] |
 | `SSL_want`  |  |  |  | :white_check_mark: |
 | `SSL_write`  | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | `SSL_write_early_data`  |  | :white_check_mark: | :white_check_mark: | :exclamation: [^stub] |

build.rs

@@ -241,6 +241,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_use_PrivateKey_file",
     "SSL_verify_client_post_handshake",
     "SSL_version",
+    "SSL_waiting_for_async",
     "SSL_want",
     "SSL_write",
     "SSL_write_early_data",

src/entry.rs

@@ -2427,6 +2427,12 @@ entry_stub! {
     pub fn _SSL_COMP_get_compression_methods() -> *mut stack_st_void;
 }
 
+// No `SSL_MODE_ASYNC`
+
+entry_stub! {
+    pub fn _SSL_waiting_for_async(_ssl: *mut SSL) -> c_int;
+}
+
 // ---------------------
 
 #[cfg(test)]