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 CURL-
MOPT_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);
}
curl_multi_setopt(multi, CURLMOPT_TIMERDATA, 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),
libcurl 7.81.0 November 04, 2020 CURLMOPT_TIMERDATA(3)
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