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89 lines
2.6 KiB
89 lines
2.6 KiB
/* |
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* Copyright 2019 by its authors. See AUTHORS. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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using System; |
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using System.Runtime.InteropServices; |
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namespace Efl |
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{ |
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namespace Eo |
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{ |
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public partial class NativeModule |
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{ |
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private const int RTLD_NOW = 0x002; |
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// Currently we are using GLOBAL due to issues |
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// with the way evas modules are built. |
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private const int RTLD_GLOBAL = 0x100; |
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[DllImport(efl.Libs.Libdl)] |
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private static extern IntPtr dlopen(string fileName, int flag); |
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[DllImport(efl.Libs.Libdl)] |
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private static extern int dlclose(IntPtr handle); |
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///<summary>Closes the library handle.</summary> |
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///<param name="handle">The handle to the library.</param> |
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public static void UnloadLibrary(IntPtr handle) |
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{ |
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dlclose(handle); |
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} |
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///<summary>Loads the given library. |
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/// |
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///It attempts to load using the following list of names based on the <c>filename</c> |
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///parameter: |
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/// |
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///<list type="bullet"> |
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///<item> |
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///<description><c>filename</c></description> |
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///</item> |
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///<item> |
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///<description><c>libfilename</c></description> |
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///</item> |
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///<item> |
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///<description><c>filename.so</c></description> |
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///</item> |
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///<item> |
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///<description><c>libfilename.so</c></description> |
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///</item> |
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///</list> |
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///</summary> |
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///<param name="filename">The name to search for.</param> |
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///<returns>The loaded library handle or <see cref="System.IntPtr.Zero"/> on failure.</returns> |
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public static IntPtr LoadLibrary(string filename) |
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{ |
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Eina.Log.Debug($"Loading library {filename}"); |
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var r = dlopen(filename, RTLD_NOW | RTLD_GLOBAL); |
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if (r == IntPtr.Zero) |
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{ |
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r = dlopen("lib" + filename, RTLD_NOW | RTLD_GLOBAL); |
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if (r == IntPtr.Zero) |
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{ |
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r = dlopen(filename + ".so", RTLD_NOW | RTLD_GLOBAL); |
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if (r == IntPtr.Zero) |
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{ |
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r = dlopen("lib" + filename + ".so", RTLD_NOW | RTLD_GLOBAL); |
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} |
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} |
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} |
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return r; |
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} |
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} |
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} |
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}
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