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curl_multi_poll.md: expand the example with an custom file descriptor

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Closes #13842
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Daniel Stenberg 2024-05-31 14:42:45 +02:00
parent d6abd49df8
commit 8df910b79c
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1 changed files with 14 additions and 2 deletions
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16
docs/libcurl/curl_multi_poll.md
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@ -94,6 +94,7 @@ int main(void)
CURL *easy_handle; CURL *easy_handle;
CURLM *multi_handle; CURLM *multi_handle;
int still_running = 0; int still_running = 0;
int myfd; /* this is our own file descriptor */
/* add the individual easy handle */ /* add the individual easy handle */
curl_multi_add_handle(multi_handle, easy_handle); curl_multi_add_handle(multi_handle, easy_handle);
@ -105,8 +106,19 @@ int main(void)
mc = curl_multi_perform(multi_handle, &still_running); mc = curl_multi_perform(multi_handle, &still_running);
if(mc == CURLM_OK) { if(mc == CURLM_OK) {
/* wait for activity or timeout */ struct curl_waitfd myown;
mc = curl_multi_poll(multi_handle, NULL, 0, 1000, &numfds); myown.fd = myfd;
myown.events = CURL_WAIT_POLLIN; /* wait for input */
myown.revents = 0; /* clear it */
/* wait for activity on curl's descriptors or on our own,
or timeout */
mc = curl_multi_poll(multi_handle, &myown, 1, 1000, &numfds);
if(myown.revents) {
/* did our descriptor receive an event? */
handle_fd(myfd);
}
} }
if(mc != CURLM_OK) { if(mc != CURLM_OK) {