[#BloombergLP-bdls-FilesystemUtil-FileIOPolicy]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilesystemUtil.adoc[FilesystemUtil]::FileIOPolicy
:relfileprefix: ../../../
:mrdocs:

Enumeration used to distinguish between different sets of actions permitted on an open file descriptor&period;

== Synopsis

Declared in `&lt;bdls&lowbar;filesystemutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum FileIOPolicy;
----

== Members

[cols="1,4"]
|===
| Name| Description
| `e&lowbar;READ&lowbar;ONLY` 
| Allow reading only&period;
| `e&lowbar;WRITE&lowbar;ONLY` 
| Allow writing only&period;
| `e&lowbar;APPEND&lowbar;ONLY` 
| Allow appending to end&hyphen;of&hyphen;file only&period;
| `e&lowbar;READ&lowbar;WRITE` 
| Allow both reading and writing&period;
| `e&lowbar;READ&lowbar;APPEND` 
| Allow both reading and appending to end&hyphen;of&hyphen;file&period;
|===



[.small]#Created with https://www.mrdocs.com[MrDocs]#
