From cb82d7b081105dc4d6277ac93b67ce76a5287283 Mon Sep 17 00:00:00 2001
From: Igor Canadi <icanadi@fb.com>
Date: Tue, 9 Dec 2014 10:22:07 -0800
Subject: [PATCH] Fix #434

Summary: Why do we assert here? This doesn't seem like user friendly thing to do :)

Test Plan: none

Reviewers: sdong, yhchiang, rven

Reviewed By: rven

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D30027
---
 util/env_posix.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/util/env_posix.cc b/util/env_posix.cc
index 039e79c4a..30997a904 100644
--- a/util/env_posix.cc
+++ b/util/env_posix.cc
@@ -1694,11 +1694,10 @@ class PosixEnv : public Env {
       }
       if (num > total_threads_limit_ ||
           (num < total_threads_limit_ && allow_reduce)) {
-        total_threads_limit_ = num;
+        total_threads_limit_ = std::max(1, num);
         WakeUpAllThreads();
         StartBGThreads();
       }
-      assert(total_threads_limit_ > 0);
       PthreadCall("unlock", pthread_mutex_unlock(&mu_));
     }