From d44f1fb14cbdae099fcf7dafd0d247a4555a02bc Mon Sep 17 00:00:00 2001
From: Jose <pepone@users.noreply.github.com>
Date: Tue, 2 Jul 2019 12:02:08 +0200
Subject: Check sysconf errors Close #418 (#420)

---
 cpp/src/Ice/ThreadPool.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'cpp/src/Ice/ThreadPool.cpp')

diff --git a/cpp/src/Ice/ThreadPool.cpp b/cpp/src/Ice/ThreadPool.cpp
index b836137170a..7d95c48b2b5 100644
--- a/cpp/src/Ice/ThreadPool.cpp
+++ b/cpp/src/Ice/ThreadPool.cpp
@@ -273,8 +273,20 @@ IceInternal::ThreadPool::ThreadPool(const InstancePtr& instance, const string& p
     SYSTEM_INFO sysInfo;
     GetSystemInfo(&sysInfo);
     int nProcessors = sysInfo.dwNumberOfProcessors;
+#   elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+    static int ncpu[2] = { CTL_HW, HW_NCPU };
+    size_t sz = sizeof(nProcessors);
+    int nProcessors;
+    if(sysctl(ncpu, 2, &nProcessors, &sz, 0, 0) == -1)
+    {
+        nProcessors = 1;
+    }
 #   else
     int nProcessors = static_cast<int>(sysconf(_SC_NPROCESSORS_ONLN));
+    if(nProcessors == -1)
+    {
+        nProcessors = 1;
+    }
 #   endif
 #endif
 
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