Man page - curl_multi_socket_all(3)
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Manual
curl_multi_socket_all
NAMESYNOPSIS
DESCRIPTION
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO
NAME
curl_multi_socket_all - reads/writes available data for all easy handles
SYNOPSIS
#include <curl/curl.h>
CURLMcode
curl_multi_socket_all(CURLM *multi_handle,
int *running_handles);
DESCRIPTION
This function is deprecated for performance reasons but there are no plans to remove it from the API. Use curl_multi_socket_action(3) instead.
At return, the integer running_handles points to contains the number of still running easy handles within the multi handle. When this number reaches zero, all transfers are complete/done.
Force libcurl to (re-)check all its internal sockets and transfers instead of just a single one by calling curl_multi_socket_all(3) . Note that there should not be any reason to use this function.
PROTOCOLS
This functionality affects all supported protocols
EXAMPLE
int main(void)
{
int running;
int rc;
CURLM *multi = curl_multi_init();
rc =
curl_multi_socket_all(multi, &running);
}
AVAILABILITY
Added in curl 7.15.4
RETURN VALUE
This function returns a CURLMcode indicating success or error.
CURLM_OK (0) means everything was OK, non-zero means an error occurred, see libcurl-errors(3) .
The return code is for the whole multi stack. Problems still might have occurred on individual transfers even when one of these functions return OK.
SEE ALSO
curl_multi_cleanup (3), curl_multi_fdset (3), curl_multi_info_read (3), curl_multi_init (3), the hiperfifo.c example