Merging upstream version 1.44.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 83 insertions, 0 deletions

diff --git a/ml/dlib/dlib/threads/threads_kernel_1.cpp b/ml/dlib/dlib/threads/threads_kernel_1.cpp
new file mode 100644
index 000000000..cb36b8d3f
--- /dev/null
+++ b/ml/dlib/dlib/threads/threads_kernel_1.cpp
@@ -0,0 +1,83 @@
+// Copyright (C) 2003  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_THREADS_KERNEL_1_CPp_
+#define DLIB_THREADS_KERNEL_1_CPp_
+
+#include "../platform.h"
+
+#ifdef WIN32
+
+#include "threads_kernel_1.h"
+
+#include <process.h>
+
+
+namespace dlib
+{
+    namespace threads_kernel_shared_helpers
+    {
+
+    // -----------------------------------------------------------------------------------
+
+        struct info
+        {
+            void* param;
+            void (*funct)(void*);
+        };
+
+    // -----------------------------------------------------------------------------------
+
+        unsigned int __stdcall thread_starter (
+            void* param
+        )
+        {
+            info* alloc_p = static_cast<info*>(param);
+            info p = *alloc_p;
+            delete alloc_p;
+
+            p.funct(p.param);
+            return 0;
+        }
+
+    // -----------------------------------------------------------------------------------
+
+        bool spawn_thread (
+            void (*funct)(void*),
+            void* param
+        )
+        {
+            info* p;
+            try { p = new info; }
+            catch (...) { return false; }
+
+            p->funct = funct;
+            p->param = param;
+
+
+            unsigned int garbage;
+
+            HANDLE thandle = (HANDLE)_beginthreadex (NULL,0,thread_starter,p,0,&garbage);
+            // make thread and add it to the pool
+
+            // return false if _beginthreadex didn't work
+            if ( thandle == 0)
+            {
+                delete p;
+                return false;
+            }
+
+            // throw away the thread handle
+            CloseHandle(thandle); 
+            return true;
+        }
+
+    // -----------------------------------------------------------------------------------
+
+    }
+
+}
+
+#endif // WIN32
+
+#endif // DLIB_THREADS_KERNEL_1_CPp_
+