1#@!#!123s

: / proc / self / root / opt / alt / ruby34 / share / ri / system / File /
Filename : flock-i.ri
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U:RDoc::AnyMethod[iI"
flock:ETI"File#flock;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"�Locks or unlocks file +self+ according to the given <code>locking_constant</code>,
a bitwise OR of the values in the table below.;To;
;	[I"$Not available on all platforms.;To;
;	[I"�Returns <code>false</code> if <code>File::LOCK_NB</code> is specified and the operation would have blocked;
otherwise returns <code>0</code>.;To:RDoc::Markup::Table:@header[I"
Constant;TI"	Lock;TI"Effect;T:@align[000:
@body[	[I"+File::LOCK_EX+;TI"Exclusive;TI"FOnly one process may hold an exclusive lock for +self+ at a time.;T[I"+File::LOCK_NB+;TI"Non-blocking;TI"sNo blocking; may be combined with +File::LOCK_SH+ or +File::LOCK_EX+ using the bitwise OR operator <tt>|</tt>.;T[I"+File::LOCK_SH+;TI"Shared;TI"PMultiple processes may each hold a shared lock for +self+ at the same time.;T[I"+File::LOCK_UN+;TI"Unlock;TI"2Remove an existing lock held by this process.;To;
;	[I"
Example:;To:RDoc::Markup::Verbatim;	[I"�# Update a counter using an exclusive lock.
# Don't use File::WRONLY because it truncates the file.
File.open('counter', File::RDWR | File::CREAT, 0644) do |f|
  f.flock(File::LOCK_EX)
  value = f.read.to_i + 1
  f.rewind
  f.write("#{value}\n")
  f.flush
  f.truncate(f.pos)
end

# Read the counter using a shared lock.
File.open('counter', 'r') do |f|
  f.flock(File::LOCK_SH)
  f.read
end
;T:@format:	ruby:
@fileI"file.c;T:0@omit_headings_from_table_of_contents_below0I"+flock(locking_constant) -> 0 or false
;T0[�I"	(p1);T@1FI"	File;TcRDoc::NormalClass00