U:RDoc::AnyMethod[iI"
fsync:ETI"
IO#fsync;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[	I"CImmediately writes all buffered data in <em>ios</em> to disk. ;TI"FNote that #fsync differs from using IO#sync=. The latter ensures ;TI"Fthat data is flushed from Ruby's buffers, but does not guarantee ;TI"Ethat the underlying operating system actually writes it to disk.;To:RDoc::Markup::BlankLineo;
;	[I"#NotImplementedError is raised ;TI"Kif the underlying operating system does not support <em>fsync(2)</em>.;T:
@fileI"	io.c;T:0@omit_headings_from_table_of_contents_below0I"ios.fsync   -> 0 or nil
;T0[I"();T@FI"IO;TcRDoc::NormalClass00