1 files changed, 83 insertions, 0 deletions
diff --git a/libs/libcurl/src/multi_ev.h b/libs/libcurl/src/multi_ev.h
new file mode 100644
index 0000000000..73356ec42e
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+++ b/libs/libcurl/src/multi_ev.h
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+#ifndef HEADER_CURL_MULTI_EV_H
+#define HEADER_CURL_MULTI_EV_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "hash.h"
+
+struct Curl_easy;
+struct Curl_multi;
+struct easy_pollset;
+struct uint_bset;
+
+/* meta key for event pollset at easy handle or connection */
+#define CURL_META_MEV_POLLSET   "meta:mev:ps"
+
+struct curl_multi_ev {
+  struct Curl_hash sh_entries;
+};
+
+/* Setup/teardown of multi event book-keeping. */
+void Curl_multi_ev_init(struct Curl_multi *multi, size_t hashsize);
+void Curl_multi_ev_cleanup(struct Curl_multi *multi);
+
+/* Assign a 'user_data' to be passed to the socket callback when
+ * invoked with the given socket. This will fail if this socket
+ * is not active, e.g. the application has not been told to monitor it. */
+CURLMcode Curl_multi_ev_assign(struct Curl_multi *multi, curl_socket_t s,
+                               void *user_data);
+
+/* Assess the transfer by getting its current pollset, compute
+ * any changes to the last one and inform the application's socket
+ * callback if things have changed. */
+CURLMcode Curl_multi_ev_assess_xfer(struct Curl_multi *multi,
+                                    struct Curl_easy *data);
+/* Assess all easy handles on the list */
+CURLMcode Curl_multi_ev_assess_xfer_bset(struct Curl_multi *multi,
+                                         struct uint_bset *set);
+/* Assess the connection by getting its current pollset */
+CURLMcode Curl_multi_ev_assess_conn(struct Curl_multi *multi,
+                                    struct Curl_easy *data,
+                                    struct connectdata *conn);
+
+/* Expire all transfers tied to the given socket */
+void Curl_multi_ev_expire_xfers(struct Curl_multi *multi,
+                                curl_socket_t s,
+                                const struct curltime *nowp,
+                                bool *run_cpool);
+
+/* Socket will be closed, forget anything we know about it. */
+void Curl_multi_ev_socket_done(struct Curl_multi *multi,
+                               struct Curl_easy *data, curl_socket_t s);
+
+/* Transfer is removed from the multi */
+void Curl_multi_ev_xfer_done(struct Curl_multi *multi,
+                             struct Curl_easy *data);
+
+/* Connection is being destroyed */
+void Curl_multi_ev_conn_done(struct Curl_multi *multi,
+                             struct Curl_easy *data,
+                             struct connectdata *conn);
+
+#endif /* HEADER_CURL_MULTI_EV_H */