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multi: change prefix for the network change bits to CURLMNWC_

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Because "CURLM_" is used for curl multi error codes and it is convenient
to use the prefix to identify the number family.

Closes #18176
This commit is contained in:
Daniel Stenberg 2025-08-05 11:39:32 +02:00
parent 96ff6b98b4
commit 3689ef21bd
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GPG Key ID: 5CC908FDB71E12C2
5 changed files with 27 additions and 27 deletions
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6
docs/libcurl/opts/CURLMOPT_NETWORK_CHANGED.md
View File

@ -42,13 +42,13 @@ to clear the caches.
The call affects only the connection and DNS cache of the multi handle
itself and not the ones owned by SHARE handles.
## CURLM_NWCOPT_CLEAR_CONNS
## CURLMNWC_CLEAR_CONNS
No longer reuse any existing connection in the multi handle's
connection cache. This closes all connections that are not in use.
Ongoing transfers continue on the connections they operate on.
## CURLM_NWCOPT_CLEAR_DNS
## CURLMNWC_CLEAR_DNS
Clear the multi handle's DNS cache.
@ -66,7 +66,7 @@ int main(void)
CURLM *m = curl_multi_init();
/* do transfers on the multi handle */
/* do not reuse existing connections */
curl_multi_setopt(m, CURLMOPT_NETWORK_CHANGED, CURLM_NWCOPT_CLEAR_CONNS);
curl_multi_setopt(m, CURLMOPT_NETWORK_CHANGED, CURLMNWC_CLEAR_CONNS);
}
~~~

16
docs/libcurl/symbols-in-versions
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@ -545,21 +545,21 @@ CURLM_BAD_SOCKET 7.15.4
CURLM_CALL_MULTI_PERFORM 7.9.6
CURLM_CALL_MULTI_SOCKET 7.15.5
CURLM_INTERNAL_ERROR 7.9.6
CURLM_NWCOPT_CLEAR_CONNS 8.16.0
CURLM_NWCOPT_CLEAR_DNS 8.16.0
CURLM_OK 7.9.6
CURLM_OUT_OF_MEMORY 7.9.6
CURLM_RECURSIVE_API_CALL 7.59.0
CURLM_UNKNOWN_OPTION 7.15.4
CURLM_UNRECOVERABLE_POLL 7.84.0
CURLM_WAKEUP_FAILURE 7.68.0
CURLMINFO_NONE 8.16.0
CURLMINFO_XFERS_CURRENT 8.16.0
CURLMINFO_XFERS_RUNNING 8.16.0
CURLMINFO_XFERS_PENDING 8.16.0
CURLMINFO_XFERS_DONE 8.16.0
CURLMINFO_XFERS_ADDED 8.16.0
CURLMIMEOPT_FORMESCAPE 7.81.0
CURLMINFO_NONE 8.16.0
CURLMINFO_XFERS_ADDED 8.16.0
CURLMINFO_XFERS_CURRENT 8.16.0
CURLMINFO_XFERS_DONE 8.16.0
CURLMINFO_XFERS_PENDING 8.16.0
CURLMINFO_XFERS_RUNNING 8.16.0
CURLMNWC_CLEAR_CONNS 8.16.0
CURLMNWC_CLEAR_DNS 8.16.0
CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE 7.30.0
CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE 7.30.0
CURLMOPT_MAX_CONCURRENT_STREAMS 7.67.0

16
include/curl/multi.h
View File

@ -403,15 +403,15 @@ typedef enum {
/* Definition of bits for the CURLMOPT_NETWORK_CHANGED argument: */
/* - CURLM_NWCOPT_CLEAR_CONNS tells libcurl to prevent further reuse
of existing connections. Connections that are idle will be closed.
Ongoing transfers will continue with the connection they have. */
#define CURLM_NWCOPT_CLEAR_CONNS (1L<<0)
/* - CURLMNWC_CLEAR_CONNS tells libcurl to prevent further reuse of existing
connections. Connections that are idle will be closed. Ongoing transfers
will continue with the connection they have. */
#define CURLMNWC_CLEAR_CONNS (1L<<0)
/* - CURLM_NWCOPT_CLEAR_DNS tells libcurl to prevent further reuse
of existing connections. Connections that are idle will be closed.
Ongoing transfers will continue with the connection they have. */
#define CURLM_NWCOPT_CLEAR_DNS (1L<<0)
/* - CURLMNWC_CLEAR_DNS tells libcurl to prevent further reuse of existing
connections. Connections that are idle will be closed. Ongoing transfers
will continue with the connection they have. */
#define CURLMNWC_CLEAR_DNS (1L<<0)
/*
* Name: curl_multi_setopt()

14
lib/multi.c
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@ -3244,13 +3244,13 @@ CURLMcode curl_multi_setopt(CURLM *m,
}
break;
case CURLMOPT_NETWORK_CHANGED: {
long val = va_arg(param, long);
if(val & CURLM_NWCOPT_CLEAR_DNS) {
Curl_dnscache_clear(multi->admin);
}
if(val & CURLM_NWCOPT_CLEAR_CONNS) {
Curl_cpool_nw_changed(multi->admin);
}
long val = va_arg(param, long);
if(val & CURLMNWC_CLEAR_DNS) {
Curl_dnscache_clear(multi->admin);
}
if(val & CURLMNWC_CLEAR_CONNS) {
Curl_cpool_nw_changed(multi->admin);
}
break;
}
default:

2
tests/libtest/lib3033.c
View File

@ -36,7 +36,7 @@ static CURLcode t3033_req_test(CURLM *multi, CURL *easy,
if(index == 1) {
curl_multi_setopt(multi, CURLMOPT_NETWORK_CHANGED,
CURLM_NWCOPT_CLEAR_CONNS);
CURLMNWC_CLEAR_CONNS);
curl_mprintf("[1] signal network change\n");
}
else {