35 lines
1.0 KiB
C#
35 lines
1.0 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.ConstrainedExecution;
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namespace Foodsoft.Alpm
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{
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internal sealed class SafeFilePackageHandle : SafePackageHandle
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{
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[PrePrepareMethod]
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internal SafeFilePackageHandle(IntPtr ptr, SafeAlpmHandle parentHandle) : base(parentHandle)
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{
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var success = false;
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RuntimeHelpers.PrepareConstrainedRegions();
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try { }
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finally
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{
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parentHandle.DangerousAddRef(ref success);
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if (success) handle = ptr;
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}
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if (!success) throw new ObjectDisposedException(GetType().FullName);
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}
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[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
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[PrePrepareMethod]
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protected override bool ReleaseHandle()
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{
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var err = alpm.alpm_pkg_free(handle);
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SafeAlpmHandle.DangerousRelease();
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return err == 0;
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}
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}
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} |