From: Alan T. DeKok <aland@freeradius.org>
Date: Mon, 29 Jul 2024 20:37:59 +0000 (-0400)
Subject: it helps to clear the set of writable FDs
X-Git-Tag: release_3_2_6~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=219e76568ccf5cb0a47f666c05dcaf38e7097ff9;p=thirdparty%2Ffreeradius-server.git

it helps to clear the set of writable FDs
---

diff --git a/src/lib/event.c b/src/lib/event.c
index 0d926adcf1e..c44441803ba 100644
--- a/src/lib/event.c
+++ b/src/lib/event.c
@@ -514,7 +514,11 @@ int fr_event_fd_write_handler(fr_event_list_t *el, int type, int fd,
 		fr_assert(ctx = el->readers[i].ctx);
 		el->readers[i].write_handler = write_handler;
 
-		FD_SET(fd, &el->write_fds); /* fd MUST already be in the set of readers! */
+		if (write_handler) {
+			FD_SET(fd, &el->write_fds); /* fd MUST already be in the set of readers! */
+		}  else {
+			FD_CLR(fd, &el->write_fds);
+		}
 		return 1;
 	}
 #endif	/* HAVE_KQUEUE */