* Added DescriptorCloser helper class.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37986 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -5,17 +5,23 @@
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#ifndef _AUTO_DELETER_H
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#define _AUTO_DELETER_H
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/*! Scope-based automatic deletion of objects/arrays.
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ObjectDeleter - deletes an object
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ArrayDeleter - deletes an array
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MemoryDeleter - free()s malloc()ed memory
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CObjectDeleter - calls an arbitrary specified destructor function
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DescriptorCloser - closes a file descriptor
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*/
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#include <stdlib.h>
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#include <unistd.h>
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namespace BPrivate {
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// AutoDeleter
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template<typename C, typename DeleteFunc>
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@ -214,12 +220,41 @@ struct MethodDeleter
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}
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};
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// DescriptorCloser
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struct DescriptorCloser {
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inline DescriptorCloser(int descriptor)
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:
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fDescriptor(descriptor)
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{
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}
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inline ~DescriptorCloser()
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{
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if (fDescriptor >= 0)
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close(fDescriptor);
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}
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inline void Detach()
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{
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fDescriptor = -1;
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}
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private:
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int fDescriptor;
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};
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} // namespace BPrivate
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using BPrivate::ObjectDeleter;
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using BPrivate::ArrayDeleter;
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using BPrivate::MemoryDeleter;
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using BPrivate::CObjectDeleter;
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using BPrivate::MethodDeleter;
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using BPrivate::DescriptorCloser;
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#endif // _AUTO_DELETER_H
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