/// <summary>
/// Load library
/// </summary>
internal static IntPtr LoadLibrary(string libraryPath, out string errorMsg)
{
if (IsWindows)
{
errorMsg = null;
//var handle = GetWin32ModuleHandle(libraryPath);
//if (handle != IntPtr.Zero) return handle;
var handle = WindowsLoader.LoadLibrary(libraryPath);
if (handle == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception($"failed to load library {libraryPath}");
}
return(handle);
}
if (IsLinux)
{
if (IsNetCore)
{
return(LoadLibraryPosix(CoreCLRLoader.dlopen, CoreCLRLoader.dlerror, libraryPath, out errorMsg));
}
return(LoadLibraryPosix(LinuxLoader.dlopen, LinuxLoader.dlerror, libraryPath, out errorMsg));
}
if (IsMacOSX)
{
return(LoadLibraryPosix(MacOSXLoader.dlopen, MacOSXLoader.dlerror, libraryPath, out errorMsg));
}
throw new InvalidOperationException("Unsupported platform.");
}
/// <summary>
/// Loads method in the library
/// </summary>
/// <param name="symbolName">The methold of the library</param>
/// <returns>method address</returns>
private IntPtr LoadSymbol(string symbolName)
{
if (IsWindows)
{
return(WindowsLoader.GetProcAddress(Handle, symbolName));
}
throw new InvalidOperationException("Unsupported platform.");
}
internal static bool FreeLibrary(IntPtr handle)
{
string errorMsg = null;
if (IsWindows)
{
return(WindowsLoader.FreeLibrary(handle));
}
throw new InvalidOperationException("Unsupported platform.");
}
/// <summary>
/// Load library
/// </summary>
internal static IntPtr LoadLibrary(string libraryPath, out string errorMsg)
{
if (IsWindows)
{
errorMsg = null;
//var handle = GetWin32ModuleHandle(libraryPath);
//if (handle != IntPtr.Zero) return handle;
var handle = WindowsLoader.LoadLibrary(libraryPath);
if (handle == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception($"failed to load library {libraryPath}");
}
return(handle);
}
throw new InvalidOperationException("Unsupported platform.");
}
/// <summary>
/// Loads method in the library
/// </summary>
/// <param name="symbolName">The methold of the library</param>
/// <returns>method address</returns>
private IntPtr LoadSymbol(string symbolName)
{
if (IsWindows)
{
return(WindowsLoader.GetProcAddress(Handle, symbolName));
}
if (IsLinux)
{
if (IsNetCore)
{
return(CoreCLRLoader.dlsym(Handle, symbolName));
}
return(LinuxLoader.dlsym(Handle, symbolName));
}
if (IsMacOSX)
{
return(MacOSXLoader.dlsym(Handle, symbolName));
}
throw new InvalidOperationException("Unsupported platform.");
}
internal static bool FreeLibrary(IntPtr handle)
{
string errorMsg = null;
if (IsWindows)
{
return(WindowsLoader.FreeLibrary(handle));
}
if (IsLinux)
{
if (IsNetCore)
{
return(UnloadLibraryPosix(CoreCLRLoader.dlclose, CoreCLRLoader.dlerror, handle, out errorMsg));
}
return(UnloadLibraryPosix(LinuxLoader.dlclose, LinuxLoader.dlerror, handle, out errorMsg));
}
if (IsMacOSX)
{
return(UnloadLibraryPosix(MacOSXLoader.dlclose, MacOSXLoader.dlerror, handle, out errorMsg));
}
throw new InvalidOperationException("Unsupported platform.");
}