browser/external/curl-8.3.0/lib/multiif.h

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2023-09-27 13:43:06 -04:00
#ifndef HEADER_CURL_MULTIIF_H
#define HEADER_CURL_MULTIIF_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
*
***************************************************************************/
/*
* Prototypes for library-wide functions provided by multi.c
*/
CURLcode Curl_updatesocket(struct Curl_easy *data);
void Curl_expire(struct Curl_easy *data, timediff_t milli, expire_id);
void Curl_expire_clear(struct Curl_easy *data);
void Curl_expire_done(struct Curl_easy *data, expire_id id);
CURLMcode Curl_update_timer(struct Curl_multi *multi) WARN_UNUSED_RESULT;
void Curl_attach_connection(struct Curl_easy *data,
struct connectdata *conn);
void Curl_detach_connection(struct Curl_easy *data);
bool Curl_multiplex_wanted(const struct Curl_multi *multi);
void Curl_set_in_callback(struct Curl_easy *data, bool value);
bool Curl_is_in_callback(struct Curl_easy *easy);
CURLcode Curl_preconnect(struct Curl_easy *data);
void Curl_multi_connchanged(struct Curl_multi *multi);
/* Internal version of curl_multi_init() accepts size parameters for the
socket, connection and dns hashes */
struct Curl_multi *Curl_multi_handle(int hashsize, int chashsize,
int dnssize);
/* 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))
/* mask for checking if read and/or write is set for index x */
#define GETSOCK_MASK_RW(x) (GETSOCK_READSOCK(x)|GETSOCK_WRITESOCK(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(struct Curl_multi *multi);
#endif
/* 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_MAX_TOTAL_CONNECTIONS option */
size_t Curl_multi_max_total_connections(struct Curl_multi *multi);
void Curl_multiuse_state(struct Curl_easy *data,
int bundlestate); /* use BUNDLE_* defines */
/*
* 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 Curl_easy *data, 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 Curl_easy *data,
struct connectdata *conn);
/* Return the value of the CURLMOPT_MAX_CONCURRENT_STREAMS option */
unsigned int Curl_multi_max_concurrent_streams(struct Curl_multi *multi);
#endif /* HEADER_CURL_MULTIIF_H */