Current File : //proc/thread-self/root/proc/thread-self/root/opt/alt/ruby18/share/ri/1.8/system/IO/fsync-i.yaml
--- !ruby/object:RI::MethodDescription
aliases: []
block_params:
comment:
- !ruby/struct:SM::Flow::P
body: Immediately writes all buffered data in <em>ios</em> to disk. Returns <tt>nil</tt> if the underlying operating system does not support <em>fsync(2)</em>. Note that <tt>fsync</tt> differs from using <tt>IO#sync=</tt>. The latter ensures that data is flushed from Ruby's buffers, but doesn't not guarantee that the underlying operating system actually writes it to disk.
full_name: IO#fsync
is_singleton: false
name: fsync
params: |
ios.fsync => 0 or nil
visibility: public
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