Replace `DllImport` usage with `LibraryImport` (#4084)

* Replace usage of `DllImport` with `LibraryImport`

* Mark methods as `partial`

* Marshalling

* More `partial` & marshalling

* More `partial` and marshalling

* More partial and marshalling

* Update GdiPlusHelper to LibraryImport

* Unicorn

* More Partial

* Marshal

* Specify EntryPoint

* Specify EntryPoint

* Change GlobalMemoryStatusEx to LibraryImport

* Change RegisterClassEx to LibraryImport

* Define EntryPoints

* Update Ryujinx.Ava/Ui/Controls/Win32NativeInterop.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Move return mashal

* Remove calling convention specification

* Remove calling conventions

* Update Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>

* Update Ryujinx/Modules/Updater/Updater.cs

Co-authored-by: Mary-nyan <thog@protonmail.com>

* Update Ryujinx.Ava/Modules/Updater/Updater.cs

Co-authored-by: Mary-nyan <thog@protonmail.com>

Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com>
Co-authored-by: Mary-nyan <thog@protonmail.com>

2 files changed, 14 insertions, 14 deletions

diff --git a/ARMeilleure/Signal/UnixSignalHandlerRegistration.cs b/ARMeilleure/Signal/UnixSignalHandlerRegistration.cs
index 12bda3de..945a01da 100644
--- a/ARMeilleure/Signal/UnixSignalHandlerRegistration.cs
+++ b/ARMeilleure/Signal/UnixSignalHandlerRegistration.cs
@@ -18,17 +18,17 @@ namespace ARMeilleure.Signal
         public IntPtr sa_restorer;
     }
 
-    static class UnixSignalHandlerRegistration
+    static partial class UnixSignalHandlerRegistration
     {
         private const int SIGSEGV = 11;
         private const int SIGBUS = 10;
         private const int SA_SIGINFO = 0x00000004;
 
-        [DllImport("libc", SetLastError = true)]
-        private static extern int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
+        [LibraryImport("libc", SetLastError = true)]
+        private static partial int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
 
-        [DllImport("libc", SetLastError = true)]
-        private static extern int sigemptyset(ref SigSet set);
+        [LibraryImport("libc", SetLastError = true)]
+        private static partial int sigemptyset(ref SigSet set);
 
         public static SigAction RegisterExceptionHandler(IntPtr action)
         {
diff --git a/ARMeilleure/Signal/WindowsSignalHandlerRegistration.cs b/ARMeilleure/Signal/WindowsSignalHandlerRegistration.cs
index b74f1098..3219e015 100644
--- a/ARMeilleure/Signal/WindowsSignalHandlerRegistration.cs
+++ b/ARMeilleure/Signal/WindowsSignalHandlerRegistration.cs
@@ -3,19 +3,19 @@ using System.Runtime.InteropServices;
 
 namespace ARMeilleure.Signal
 {
-    unsafe class WindowsSignalHandlerRegistration
+    unsafe partial class WindowsSignalHandlerRegistration
     {
-        [DllImport("kernel32.dll")]
-        private static extern IntPtr AddVectoredExceptionHandler(uint first, IntPtr handler);
+        [LibraryImport("kernel32.dll")]
+        private static partial IntPtr AddVectoredExceptionHandler(uint first, IntPtr handler);
 
-        [DllImport("kernel32.dll")]
-        private static extern ulong RemoveVectoredExceptionHandler(IntPtr handle);
+        [LibraryImport("kernel32.dll")]
+        private static partial ulong RemoveVectoredExceptionHandler(IntPtr handle);
 
-        [DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Ansi)]
-        static extern IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string lpFileName);
+        [LibraryImport("kernel32.dll", SetLastError = true, EntryPoint = "LoadLibraryA")]
+        private static partial IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string lpFileName);
 
-        [DllImport("kernel32.dll", CharSet = CharSet.Ansi, ExactSpelling = true, SetLastError = true)]
-        private static extern IntPtr GetProcAddress(IntPtr hModule, string procName);
+        [LibraryImport("kernel32.dll", SetLastError = true)]
+        private static partial IntPtr GetProcAddress(IntPtr hModule, [MarshalAs(UnmanagedType.LPStr)] string procName);
 
         private static IntPtr _getCurrentThreadIdPtr;