ff53dcf560
* dotnet format style --severity info Some changes were manually reverted. * dotnet format analyzers --serverity info Some changes have been minimally adapted. * Restore a few unused methods and variables * Silence dotnet format IDE0060 warnings * Silence dotnet format IDE0052 warnings * Address or silence dotnet format IDE1006 warnings * Address or silence dotnet format CA2208 warnings * Address dotnet format CA1822 warnings * Address or silence dotnet format CA1069 warnings * Silence CA1806 and CA1834 issues * Address dotnet format CA1401 warnings * Fix new dotnet-format issues after rebase * Address review comments * Address dotnet format CA2208 warnings properly * Fix formatting for switch expressions * Address most dotnet format whitespace warnings * Apply dotnet format whitespace formatting A few of them have been manually reverted and the corresponding warning was silenced * Add previously silenced warnings back I have no clue how these disappeared * Revert formatting changes for OpCodeTable.cs * Enable formatting for a few cases again * Format if-blocks correctly * Enable formatting for a few more cases again * Fix inline comment alignment * Run dotnet format after rebase and remove unused usings - analyzers - style - whitespace * Disable 'prefer switch expression' rule * Add comments to disabled warnings * Remove a few unused parameters * Adjust namespaces * Simplify properties and array initialization, Use const when possible, Remove trailing commas * Start working on disabled warnings * Fix and silence a few dotnet-format warnings again * Address IDE0251 warnings * Address a few disabled IDE0060 warnings * Silence IDE0060 in .editorconfig * Revert "Simplify properties and array initialization, Use const when possible, Remove trailing commas" This reverts commit 9462e4136c0a2100dc28b20cf9542e06790aa67e. * dotnet format whitespace after rebase * First dotnet format pass * Remove unnecessary formatting exclusion * Add unsafe dotnet format changes * Change visibility of JitSupportDarwin to internal
83 lines
2.5 KiB
C#
83 lines
2.5 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace ARMeilleure.Signal
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{
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static partial class UnixSignalHandlerRegistration
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public unsafe struct SigSet
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{
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fixed long sa_mask[16];
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct SigAction
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{
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public IntPtr sa_handler;
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public SigSet sa_mask;
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public int sa_flags;
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public IntPtr sa_restorer;
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}
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private const int SIGSEGV = 11;
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private const int SIGBUS = 10;
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private const int SA_SIGINFO = 0x00000004;
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[LibraryImport("libc", SetLastError = true)]
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private static partial int sigaction(int signum, ref SigAction sigAction, out SigAction oldAction);
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[LibraryImport("libc", SetLastError = true)]
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private static partial int sigaction(int signum, IntPtr sigAction, out SigAction oldAction);
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[LibraryImport("libc", SetLastError = true)]
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private static partial int sigemptyset(ref SigSet set);
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public static SigAction GetSegfaultExceptionHandler()
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{
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int result = sigaction(SIGSEGV, IntPtr.Zero, out SigAction old);
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if (result != 0)
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{
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throw new InvalidOperationException($"Could not get SIGSEGV sigaction. Error: {result}");
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}
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return old;
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}
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public static SigAction RegisterExceptionHandler(IntPtr action)
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{
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SigAction sig = new()
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{
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sa_handler = action,
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sa_flags = SA_SIGINFO,
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};
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sigemptyset(ref sig.sa_mask);
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int result = sigaction(SIGSEGV, ref sig, out SigAction old);
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if (result != 0)
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{
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throw new InvalidOperationException($"Could not register SIGSEGV sigaction. Error: {result}");
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}
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if (OperatingSystem.IsMacOS())
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{
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result = sigaction(SIGBUS, ref sig, out _);
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if (result != 0)
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{
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throw new InvalidOperationException($"Could not register SIGBUS sigaction. Error: {result}");
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}
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}
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return old;
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}
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public static bool RestoreExceptionHandler(SigAction oldAction)
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{
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return sigaction(SIGSEGV, ref oldAction, out SigAction _) == 0 && (!OperatingSystem.IsMacOS() || sigaction(SIGBUS, ref oldAction, out SigAction _) == 0);
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}
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}
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}
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