From 08481ee37ad5070ff1033d57351c3fa456d0729d Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 15 May 2021 10:48:44 -0500
Subject: Clear errno in loop.

Fixes theoretical bug I haven't actually seen.
---
 lib/xwrap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/xwrap.c b/lib/xwrap.c
index 64137da9..1e1019a2 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -338,7 +338,7 @@ int xwaitpid(pid_t pid)
 {
   int status;
 
-  while (-1 == waitpid(pid, &status, 0) && errno == EINTR);
+  while (-1 == waitpid(pid, &status, 0) && errno == EINTR) errno = 0;
 
   return WIFEXITED(status) ? WEXITSTATUS(status) : WTERMSIG(status)+128;
 }
-- 
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