From b9ed1a6dbf0ea5f58ce6c93ac99e738579b84b5a Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Sat, 6 Oct 2012 22:45:26 +0200
Subject: [PATCH] unix: don't abort() on EINVAL in threadpool.c

The FreeBSD implementation of pthread_join() returns EINVAL when a thread has
already quit, not ESRCH.
---
 src/unix/threadpool.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/unix/threadpool.c b/src/unix/threadpool.c
index 1036e68c..0a02766e 100644
--- a/src/unix/threadpool.c
+++ b/src/unix/threadpool.c
@@ -101,11 +101,8 @@ static void cleanup(void) {
 
   for (i = 0; i < ARRAY_SIZE(threads); i++) {
     err = pthread_join(threads[i], NULL);
-
-    if (err == 0 || err == ESRCH)
-      continue;
-
-    abort();
+    assert(err == 0 || err == EINVAL || err == ESRCH);
+    (void) err; /* Silence compiler warning in release builds. */
   }
 }