using System;
using System.Runtime.InteropServices;
namespace Efl
{
namespace Eo
{
public partial class NativeModule
{
private const int RTLD_NOW = 0x002;
// Currently we are using GLOBAL due to issues
// with the way evas modules are built.
private const int RTLD_GLOBAL = 0x100;
[DllImport(efl.Libs.Libdl)]
private static extern IntPtr dlopen(string fileName, int flag);
[DllImport(efl.Libs.Libdl)]
private static extern int dlclose(IntPtr handle);
///Closes the library handle.
///The handle to the library.
public static void UnloadLibrary(IntPtr handle)
{
dlclose(handle);
}
///Loads the given library.
///
///It attempts to load using the following list of names based on the filename
///parameter:
///
///
///-
///filename
///
///-
///libfilename
///
///-
///filename.so
///
///-
///libfilename.so
///
///
///
///The name to search for.
///The loaded library handle or on failure.
public static IntPtr LoadLibrary(string filename)
{
Eina.Log.Debug($"Loading library {filename}");
var r = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
if (r == IntPtr.Zero)
{
r = dlopen("lib" + filename, RTLD_NOW | RTLD_GLOBAL);
if (r == IntPtr.Zero)
{
r = dlopen(filename + ".so", RTLD_NOW | RTLD_GLOBAL);
if (r == IntPtr.Zero)
{
r = dlopen("lib" + filename + ".so", RTLD_NOW | RTLD_GLOBAL);
}
}
}
return r;
}
}
}
}