Externals: Add libcurl.

Externals/curl/lib/multiif.h

@@ -0,0 +1,97 @@
+#ifndef HEADER_CURL_MULTIIF_H
+#define HEADER_CURL_MULTIIF_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2015, 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.haxx.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.
+ *
+ ***************************************************************************/
+
+/*
+ * Prototypes for library-wide functions provided by multi.c
+ */
+void Curl_expire(struct SessionHandle *data, long milli);
+void Curl_expire_latest(struct SessionHandle *data, long milli);
+bool Curl_pipeline_wanted(const struct Curl_multi* multi, int bits);
+void Curl_multi_handlePipeBreak(struct SessionHandle *data);
+
+/* Internal version of curl_multi_init() accepts size parameters for the
+   socket and connection hashes */
+struct Curl_multi *Curl_multi_handle(int hashsize, int chashsize);
+
+/* the write bits start at bit 16 for the *getsock() bitmap */
+#define GETSOCK_WRITEBITSTART 16
+
+#define GETSOCK_BLANK 0 /* no bits set */
+
+/* set the bit for the given sock number to make the bitmap for writable */
+#define GETSOCK_WRITESOCK(x) (1 << (GETSOCK_WRITEBITSTART + (x)))
+
+/* set the bit for the given sock number to make the bitmap for readable */
+#define GETSOCK_READSOCK(x) (1 << (x))
+
+#ifdef DEBUGBUILD
+ /*
+  * Curl_multi_dump is not a stable public function, this is only meant to
+  * allow easier tracking of the internal handle's state and what sockets
+  * they use. Only for research and development DEBUGBUILD enabled builds.
+  */
+void Curl_multi_dump(const struct Curl_multi *multi_handle);
+#endif
+
+void Curl_multi_process_pending_handles(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_MAX_HOST_CONNECTIONS option */
+size_t Curl_multi_max_host_connections(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE option */
+curl_off_t Curl_multi_content_length_penalty_size(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE option */
+curl_off_t Curl_multi_chunk_length_penalty_size(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_PIPELINING_SITE_BL option */
+struct curl_llist *Curl_multi_pipelining_site_bl(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_PIPELINING_SERVER_BL option */
+struct curl_llist *Curl_multi_pipelining_server_bl(struct Curl_multi *multi);
+
+/* Return the value of the CURLMOPT_MAX_TOTAL_CONNECTIONS option */
+size_t Curl_multi_max_total_connections(struct Curl_multi *multi);
+
+void Curl_multi_connchanged(struct Curl_multi *multi);
+
+/*
+ * Curl_multi_closed()
+ *
+ * Used by the connect code to tell the multi_socket code that one of the
+ * sockets we were using is about to be closed.  This function will then
+ * remove it from the sockethash for this handle to make the multi_socket API
+ * behave properly, especially for the case when libcurl will create another
+ * socket again and it gets the same file descriptor number.
+ */
+
+void Curl_multi_closed(struct connectdata *conn, curl_socket_t s);
+
+/*
+ * Add a handle and move it into PERFORM state at once. For pushed streams.
+ */
+CURLMcode Curl_multi_add_perform(struct Curl_multi *multi,
+                                 struct SessionHandle *data,
+                                 struct connectdata *conn);
+#endif /* HEADER_CURL_MULTIIF_H */