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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@ -3119,13 +3119,12 @@ static CURLcode ssh_block_statemach(struct Curl_easy *data,
bool disconnect)
{
CURLcode result = CURLE_OK;
struct curltime start = data->progress.now;
struct curltime start = *Curl_pgrs_now(data);
while((sshc->state != SSH_STOP) && !result) {
bool block;
timediff_t left_ms = 1000;
Curl_pgrs_now_set(data); /* timeout disconnect */
result = ssh_statemachine(data, sshc, sshp, &block);
if(result)
break;
@ -3141,7 +3140,7 @@ static CURLcode ssh_block_statemach(struct Curl_easy *data,
return CURLE_OPERATION_TIMEDOUT;
}
}
else if(curlx_timediff_ms(data->progress.now, start) > 1000) {
else if(curlx_ptimediff_ms(Curl_pgrs_now(data), &start) > 1000) {
/* disconnect timeout */
failf(data, "Disconnect timed out");
result = CURLE_OK;