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CURLMOPT_TIMERDATA(3) curl_multi_setopt options CURLMOPT_TIMERDATA(3)

NAME

CURLMOPT_TIMERDATA - custom pointer to pass to timer callback

SYNOPSIS

#include <curl/curl.h>
CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_TIMERDATA, void *pointer);

DESCRIPTION

A data pointer to pass to the timer callback set with the CURLMOPT_TIMERFUNCTION(3) option.

This pointer will not be touched by libcurl but will only be passed in to the timer callbacks's userp argument.

DEFAULT

NULL

PROTOCOLS

All

EXAMPLE

static gboolean timeout_cb(gpointer user_data)
{

int running;
if(user_data) {
g_free(user_data);
curl_multi_setopt(curl_handle, CURLMOPT_TIMERDATA, NULL);
}
curl_multi_socket_action(multi, CURL_SOCKET_TIMEOUT, 0, &running);
return G_SOURCE_REMOVE; } static int timerfunc(CURLM *multi, long timeout_ms, void *userp) {
guint *id = userp;
if(id)
g_source_remove(*id);
/* -1 means we should just delete our timer. */
if(timeout_ms == -1) {
g_free(id);
id = NULL;
}
else {
if(!id)
id = g_new(guint, 1);
*id = g_timeout_add(timeout_ms, timeout_cb, id);
}
current_timer = id;
return 0; } curl_multi_setopt(multi, CURLMOPT_TIMERFUNCTION, timerfunc);

AVAILABILITY

Added in 7.16.0

RETURN VALUE

Returns CURLM_OK if the option is supported, and CURLM_UNKNOWN_OPTION if not.

SEE ALSO

CURLMOPT_TIMERFUNCTION(3), CURLMOPT_SOCKETFUNCTION(3),

May 17, 2022 libcurl 7.84.0