From 5912da253b64de3cb2a1a229558077219b2c8a35 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 8 Jun 2022 11:03:07 +0200
Subject: select: return error from "lethal" poll/select errors

Adds two new error codes: CURLE_UNRECOVERABLE_POLL and
CURLM_UNRECOVERABLE_POLL one each for the easy and the multi interfaces.

Reported-by: Harry Sintonen
Fixes #8921
Closes #8961
---
 lib/multi.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'lib/multi.c')

diff --git a/lib/multi.c b/lib/multi.c
index 8e58d785a..ff8e5248d 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -1312,6 +1312,8 @@ static CURLMcode multi_wait(struct Curl_multi *multi,
 #else
     pollrc = Curl_poll(ufds, nfds, timeout_ms); /* wait... */
 #endif
+    if(pollrc < 0)
+      return CURLM_UNRECOVERABLE_POLL;
 
     if(pollrc > 0) {
       retcode = pollrc;
-- 
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