commit beb5455b68cf2c6513db813b7e36635a5685f95e
from: Stefan Sperling <stsp@stsp.name>
date: Sun Aug 20 14:26:29 2023 UTC

gotsh: do not set POLLOUT flag when there is no data to send

Prevent an endless polling loop on Linux where POLLOUT and POLLHUP
can both be reported via pollfd revents.

commit - 80d26ca3d93a5d28ab622f6cb5d91ac973062bcb
commit + beb5455b68cf2c6513db813b7e36635a5685f95e
blob - b811009e08d9088194ccc086a17fcecac0da7fde
blob + 7dd5a1417fcdb549a4424a71d36c5b74480ac8bb
--- lib/serve.c
+++ lib/serve.c
@@ -1103,7 +1103,7 @@ recv_packfile(struct imsg *imsg, int infd)
 
 		if (r == 0) {
 			/* Detect gotd(8) closing the pack pipe when done. */
-			err = got_poll_fd(packfd, POLLOUT, 1);
+			err = got_poll_fd(packfd, 0, 1);
 			if (err) {
 				if (err->code != GOT_ERR_EOF)
 					break;