From 89d4073d0a6545330af16bb8b2352881b6f55cf5 Mon Sep 17 00:00:00 2001
From: svost <ya.nowa@yandex.ru>
Date: Wed, 6 Apr 2016 13:15:58 +0300
Subject: [PATCH] From boost(std)::thread::hardware_concurrency description: if this value is not computable or well defined, the function returns 0.

---
 src/kernel.cpp |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/src/kernel.cpp b/src/kernel.cpp
index c8dc551..b18ae2b 100644
--- a/src/kernel.cpp
+++ b/src/kernel.cpp
@@ -435,9 +435,13 @@ bool ScanKernelForward(unsigned char *kernel, uint32_t nBits, uint32_t nInputTxT
     // TODO: custom threads amount
 
     uint32_t nThreads = boost::thread::hardware_concurrency();
+    if (nThreads == 0)
+    {
+       nThreads = 1;
+       printf("Warning: hardware_concurrency() failed in %s:%d\n", __FILE__, __LINE__);
+    }
     uint32_t nPart = (SearchInterval.second - SearchInterval.first) / nThreads;
 
-
     KernelWorker *workers = new KernelWorker[nThreads];
 
     boost::thread_group group;
-- 
1.7.1