bdls::FileDescriptorGuard Struct Reference

#include <bdls_filedescriptorguard.h>

Public Member Functions
	FileDescriptorGuard (FilesystemUtil::FileDescriptor descriptor)
	~FileDescriptorGuard ()
	If this guard object manages a file, close that file.
void	closeAndRelease ()
FilesystemUtil::FileDescriptor	release ()
FilesystemUtil::FileDescriptor	descriptor () const

Public Attributes
FilesystemUtil::FileDescriptor	d_descriptor

Detailed Description

This class implements a guard that conditionally closes an open file descriptor upon its destruction.

Constructor & Destructor Documentation

FileDescriptorGuard()

bdls::FileDescriptorGuard::FileDescriptorGuard ( FilesystemUtil::FileDescriptor  descriptor )

inlineexplicit

Create a guard object that will manage the specified descriptor, closing it upon destruction (unless either realease or closeAndRelease has been called). It is permissible for descriptor to be FilesystemUtil::k_INVALID_FD, in which case the guard created will not manage anything.

~FileDescriptorGuard()

bdls::FileDescriptorGuard::~FileDescriptorGuard ( )

inline

Member Function Documentation

closeAndRelease()

void bdls::FileDescriptorGuard::closeAndRelease

(

)

Close the file managed by this guard and release that file from management by this object. The behavior is undefined unless this object is managing a file.

descriptor()

FilesystemUtil::FileDescriptor bdls::FileDescriptorGuard::descriptor ( ) const

inline

If this guard is managing a file, return the file descriptor referring to that file, and return FilesystemUtil::k_INVALID_FD otherwise.

release()

FilesystemUtil::FileDescriptor bdls::FileDescriptorGuard::release ( )

inline

Release the file from management by this object (without closing it) and return the formerly managed descriptor. The behavior is undefined unless this object is managing a file.

Member Data Documentation

d_descriptor

FilesystemUtil::FileDescriptor bdls::FileDescriptorGuard::d_descriptor

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The documentation for this struct was generated from the following file:

• bdls_filedescriptorguard.h