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curl_multi_socket_all(3) Library Functions Manual curl_multi_socket_all(3) 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 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 oc- curred 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), thehiperfifo.cexample libcurl 2026-06-11 curl_multi_socket_all(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO
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