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multi: add xfer_buf to multi handle

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- can be borrowed by transfer during recv-write operation
- needs to be released before borrowing again
- adjustis size to `data->set.buffer_size`
- used in transfer.c readwrite_data()

Closes #12805
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Stefan Eissing 2024-01-26 12:05:08 +01:00 • committed by Daniel Stenberg
parent c54d0ff6b3
commit 476adfeac0
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10 changed files with 113 additions and 25 deletions
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6
lib/conncache.c
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@ -395,8 +395,6 @@ bool Curl_conncache_return_conn(struct Curl_easy *data,
important that details from this (unrelated) disconnect does not
taint meta-data in the data handle. */
struct conncache *connc = data->state.conn_cache;
connc->closure_handle->state.buffer = data->state.buffer;
connc->closure_handle->set.buffer_size = data->set.buffer_size;
Curl_disconnect(connc->closure_handle, conn_candidate,
/* dead_connection */ FALSE);
}
@ -522,12 +520,9 @@ Curl_conncache_extract_oldest(struct Curl_easy *data)
void Curl_conncache_close_all_connections(struct conncache *connc)
{
struct connectdata *conn;
char buffer[READBUFFER_MIN + 1];
SIGPIPE_VARIABLE(pipe_st);
if(!connc->closure_handle)
return;
connc->closure_handle->state.buffer = buffer;
connc->closure_handle->set.buffer_size = READBUFFER_MIN;
conn = conncache_find_first_connection(connc);
while(conn) {
@ -541,7 +536,6 @@ void Curl_conncache_close_all_connections(struct conncache *connc)
conn = conncache_find_first_connection(connc);
}
connc->closure_handle->state.buffer = NULL;
sigpipe_ignore(connc->closure_handle, &pipe_st);
Curl_hostcache_clean(connc->closure_handle,