2 files changed, 37 insertions, 0 deletions
diff --git a/src/common/util.cpp b/src/common/util.cpp
index 6f75e5bad..a53a9be52 100644
--- a/src/common/util.cpp
+++ b/src/common/util.cpp
@@ -413,4 +413,36 @@ std::string get_nix_version_display_string()
     }
     return false;
   }
+  void set_strict_default_file_permissions(bool strict)
+  {
+#if defined(__MINGW32__) || defined(__MINGW__)
+    // no clue about the odd one out
+#else
+    mode_t mode = strict ? 077 : 0;
+    umask(mode);
+#endif
+  }
+
+  namespace
+  {
+    boost::mutex max_concurrency_lock;
+    unsigned max_concurrency = boost::thread::hardware_concurrency();
+  }
+
+  void set_max_concurrency(unsigned n)
+  {
+    if (n < 1)
+      n = boost::thread::hardware_concurrency();
+    unsigned hwc = boost::thread::hardware_concurrency();
+    if (n > hwc)
+      n = hwc;
+    boost::lock_guard<boost::mutex> lock(max_concurrency_lock);
+    max_concurrency = n;
+  }
+
+  unsigned get_max_concurrency()
+  {
+    boost::lock_guard<boost::mutex> lock(max_concurrency_lock);
+    return max_concurrency;
+  }
 }
diff --git a/src/common/util.h b/src/common/util.h
index 7554b1df7..4fcf66b8f 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -158,4 +158,9 @@ namespace tools
     /*! \brief where the installed handler is stored */
     static std::function<void(int)> m_handler;
   };
+
+  void set_strict_default_file_permissions(bool strict);
+
+  void set_max_concurrency(unsigned n);
+  unsigned get_max_concurrency();
 }