romenskiy2012/curl
1
0
Fork 0
mirror of https://github.com/curl/curl.git synced 2026-08-25 02:33:31 +03:00
Code Issues Projects Releases Packages Wiki Activity

asyn-thread: use pipe instead of socketpair for IPC when available

Browse source 
If pipe() is present. Less overhead.

Helped-by: Viktor Szakats
Closes #12146
This commit is contained in:
Daniel Stenberg 2023-10-17 17:56:09 +02:00
parent 64936919b9
commit 43eb798da0
No known key found for this signature in database
GPG key ID: 5CC908FDB71E12C2
3 changed files with 22 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

10
lib/asyn-thread.c
View file

@ -196,7 +196,7 @@ void destroy_thread_sync_data(struct thread_sync_data *tsd)
* the other end (for reading) is always closed in the parent thread.
*/
if(tsd->sock_pair[1] != CURL_SOCKET_BAD) {
sclose(tsd->sock_pair[1]);
wakeup_close(tsd->sock_pair[1]);
}
#endif
memset(tsd, 0, sizeof(*tsd));
@ -233,8 +233,8 @@ int init_thread_sync_data(struct thread_data *td,
Curl_mutex_init(tsd->mtx);
#ifndef CURL_DISABLE_SOCKETPAIR
/* create socket pair, avoid AF_LOCAL since it doesn't build on Solaris */
if(Curl_socketpair(AF_UNIX, SOCK_STREAM, 0, &tsd->sock_pair[0]) < 0) {
/* create socket pair or pipe */
if(wakeup_create(&tsd->sock_pair[0]) < 0) {
tsd->sock_pair[0] = CURL_SOCKET_BAD;
tsd->sock_pair[1] = CURL_SOCKET_BAD;
goto err_exit;
@ -254,7 +254,7 @@ int init_thread_sync_data(struct thread_data *td,
err_exit:
#ifndef CURL_DISABLE_SOCKETPAIR
if(tsd->sock_pair[0] != CURL_SOCKET_BAD) {
sclose(tsd->sock_pair[0]);
wakeup_close(tsd->sock_pair[0]);
tsd->sock_pair[0] = CURL_SOCKET_BAD;
}
#endif
@ -320,7 +320,7 @@ static unsigned int CURL_STDCALL getaddrinfo_thread(void *arg)
if(tsd->sock_pair[1] != CURL_SOCKET_BAD) {
/* DNS has been resolved, signal client task */
buf[0] = 1;
if(swrite(tsd->sock_pair[1], buf, sizeof(buf)) < 0) {
if(wakeup_write(tsd->sock_pair[1], buf, sizeof(buf)) < 0) {
/* update sock_erro to errno */
tsd->sock_error = SOCKERRNO;
}