time-keeping: keep timestamp in multi, always update

Always use curlx_now() when calling Curl_pgrs_now(data). Tests with the
"manual" updates to now proved differ more then 100ms in parallel testing.

Add `curlx_nowp()` to set current time into a struct curltime.
Add `curlx_ptimediff_ms() and friends, passing pointers.

Update documentation.

Closes #19998
This commit is contained in:
Stefan Eissing 2025-12-18 13:55:07 +01:00 committed by Daniel Stenberg
parent 308c347c8b
commit b4be1f271e
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GPG key ID: 5CC908FDB71E12C2
61 changed files with 471 additions and 502 deletions

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@ -3179,7 +3179,7 @@ static CURLcode ftp_connect(struct Curl_easy *data,
conn->bits.ftp_use_control_ssl = TRUE;
}
Curl_pp_init(pp, &data->progress.now); /* once per transfer */
Curl_pp_init(pp, Curl_pgrs_now(data)); /* once per transfer */
/* When we connect, we start in the state where we await the 220
response */
@ -3315,7 +3315,7 @@ static CURLcode ftp_done(struct Curl_easy *data, CURLcode status,
* data has been transferred. This happens when doing through NATs etc that
* abandon old silent connections.
*/
pp->response = data->progress.now; /* timeout relative now */
pp->response = *Curl_pgrs_now(data); /* timeout relative now */
result = getftpresponse(data, &nread, &ftpcode);
if(!nread && (CURLE_OPERATION_TIMEDOUT == result)) {
@ -3435,7 +3435,7 @@ static CURLcode ftp_sendquote(struct Curl_easy *data,
result = Curl_pp_sendf(data, &ftpc->pp, "%s", cmd);
if(!result) {
pp->response = data->progress.now; /* timeout relative now */
pp->response = *Curl_pgrs_now(data); /* timeout relative now */
result = getftpresponse(data, &nread, &ftpcode);
}
if(result)