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un-nest curl

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Laan Tungir
2025-08-16 11:22:44 -04:00
parent 77186c88dd
commit 58cabadc44
5586 changed files with 310 additions and 310 deletions
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curl-8.15.0/lib/multiif.h Normal file
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#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
*/
void Curl_expire(struct Curl_easy *data, timediff_t milli, expire_id);
void Curl_expire_ex(struct Curl_easy *data,
const struct curltime *nowp,
timediff_t milli, expire_id id);
bool 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 *data);
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(unsigned int xfer_table_size,
size_t hashsize,
size_t chashsize,
size_t dnssize,
size_t sesssize);
/* 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))
/**
* Let the multi handle know that the socket is about to be closed.
* The multi will then remove anything it knows about the socket, so
* when the OS is using this socket (number) again subsequently,
* the internal book keeping will not get confused.
*/
void Curl_multi_will_close(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);
void Curl_multi_getsock(struct Curl_easy *data,
struct easy_pollset *ps,
const char *caller);
/**
* Borrow the transfer buffer from the multi, suitable
* for the given transfer `data`. The buffer may only be used in one
* multi processing of the easy handle. It MUST be returned to the
* multi before it can be borrowed again.
* Pointers into the buffer remain only valid as long as it is borrowed.
*
* @param data the easy handle
* @param pbuf on return, the buffer to use or NULL on error
* @param pbuflen on return, the size of *pbuf or 0 on error
* @return CURLE_OK when buffer is available and is returned.
* CURLE_OUT_OF_MEMORy on failure to allocate the buffer,
* CURLE_FAILED_INIT if the easy handle is without multi.
* CURLE_AGAIN if the buffer is borrowed already.
*/
CURLcode Curl_multi_xfer_buf_borrow(struct Curl_easy *data,
char **pbuf, size_t *pbuflen);
/**
* Release the borrowed buffer. All references into the buffer become
* invalid after this.
* @param buf the buffer pointer borrowed for coding error checks.
*/
void Curl_multi_xfer_buf_release(struct Curl_easy *data, char *buf);
/**
* Borrow the upload buffer from the multi, suitable
* for the given transfer `data`. The buffer may only be used in one
* multi processing of the easy handle. It MUST be returned to the
* multi before it can be borrowed again.
* Pointers into the buffer remain only valid as long as it is borrowed.
*
* @param data the easy handle
* @param pbuf on return, the buffer to use or NULL on error
* @param pbuflen on return, the size of *pbuf or 0 on error
* @return CURLE_OK when buffer is available and is returned.
* CURLE_OUT_OF_MEMORy on failure to allocate the buffer,
* CURLE_FAILED_INIT if the easy handle is without multi.
* CURLE_AGAIN if the buffer is borrowed already.
*/
CURLcode Curl_multi_xfer_ulbuf_borrow(struct Curl_easy *data,
char **pbuf, size_t *pbuflen);
/**
* Release the borrowed upload buffer. All references into the buffer become
* invalid after this.
* @param buf the upload buffer pointer borrowed for coding error checks.
*/
void Curl_multi_xfer_ulbuf_release(struct Curl_easy *data, char *buf);
/**
* Borrow the socket scratch buffer from the multi, suitable
* for the given transfer `data`. The buffer may only be used for
* direct socket I/O operation by one connection at a time and MUST be
* returned to the multi before the I/O call returns.
* Pointers into the buffer remain only valid as long as it is borrowed.
*
* @param data the easy handle
* @param blen requested length of the buffer
* @param pbuf on return, the buffer to use or NULL on error
* @return CURLE_OK when buffer is available and is returned.
* CURLE_OUT_OF_MEMORy on failure to allocate the buffer,
* CURLE_FAILED_INIT if the easy handle is without multi.
* CURLE_AGAIN if the buffer is borrowed already.
*/
CURLcode Curl_multi_xfer_sockbuf_borrow(struct Curl_easy *data,
size_t blen, char **pbuf);
/**
* Release the borrowed buffer. All references into the buffer become
* invalid after this.
* @param buf the buffer pointer borrowed for coding error checks.
*/
void Curl_multi_xfer_sockbuf_release(struct Curl_easy *data, char *buf);
/**
* Get the easy handle for the given mid.
* Returns NULL if not found.
*/
struct Curl_easy *Curl_multi_get_easy(struct Curl_multi *multi,
unsigned int mid);
/* Get the # of transfers current in process/pending. */
unsigned int Curl_multi_xfers_running(struct Curl_multi *multi);
/* Mark a transfer as dirty, e.g. to be rerun at earliest convenience.
* A cheap operation, can be done many times repeatedly. */
void Curl_multi_mark_dirty(struct Curl_easy *data);
#endif /* HEADER_CURL_MULTIIF_H */