1 files changed, 123 insertions, 0 deletions
diff --git a/ml/dlib/dlib/misc_api/misc_api_kernel_2.cpp b/ml/dlib/dlib/misc_api/misc_api_kernel_2.cpp
new file mode 100644
index 000000000..e6dc772da
--- /dev/null
+++ b/ml/dlib/dlib/misc_api/misc_api_kernel_2.cpp
@@ -0,0 +1,123 @@
+// Copyright (C) 2004  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_MISC_API_KERNEL_2_CPp_
+#define DLIB_MISC_API_KERNEL_2_CPp_
+#include "../platform.h"
+
+#ifdef POSIX
+
+#include <unistd.h>
+#include "misc_api_kernel_2.h"
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+
+namespace dlib
+{
+// ----------------------------------------------------------------------------------------
+
+    void sleep (
+        unsigned long milliseconds
+    )
+    {
+        // in HP-UX you can only usleep for less than a second 
+#ifdef HPUX
+        if (milliseconds >= 1000)
+        {
+            ::sleep(milliseconds/1000);
+            unsigned long remaining = milliseconds%1000;
+            if (remaining > 0)
+                ::usleep(remaining*1000);
+        }
+        else
+        {
+            ::usleep(milliseconds*1000);
+        }
+#else
+        ::usleep(milliseconds*1000);
+#endif
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    std::string get_current_dir (
+    )
+    {
+        char buf[1024];
+        if (getcwd(buf,sizeof(buf)) == 0)
+        {
+            return std::string();
+        }
+        else
+        {
+            return std::string(buf);
+        }
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    void set_current_dir (
+        const std::string& new_dir
+    )
+    {
+        if (chdir(new_dir.c_str()))
+        {
+            throw set_current_dir_error("Error changing current dir to '" + new_dir + "'");
+        }
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    uint64 timestamper::
+    get_timestamp (
+    ) const
+    {
+        uint64 ts;
+        timeval curtime;
+        gettimeofday(&curtime,0);       
+
+        ts = curtime.tv_sec;
+        ts *= 1000000;
+        ts += curtime.tv_usec;
+        return ts;
+    }
+
+// ----------------------------------------------------------------------------------------
+
+    void create_directory (
+        const std::string& dir
+    )
+    {
+        if (mkdir(dir.c_str(),0777))
+        {
+            // an error has occurred
+            if (errno == EEXIST)
+            {
+                struct stat buffer;
+                // now check that this is actually a valid directory
+                if (::stat(dir.c_str(),&buffer))
+                {
+                    // the directory was not found
+                    throw dir_create_error(dir);
+                }
+                else if (S_ISDIR(buffer.st_mode) == 0)
+                {
+                    // It is not a directory
+                    throw dir_create_error(dir);
+                }
+            }
+            else
+            {
+                throw dir_create_error(dir);
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------------------------
+}
+
+#endif // POSIX
+
+#endif // DLIB_MISC_API_KERNEL_2_CPp_
+