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|
=begin
= Mmap
((<Download|URL:ftp://moulon.inra.fr/pub/ruby/>))
The Mmap class implement memory-mapped file objects
=== WARNING
((*The variables $' and $` are not available with gsub! and sub!*))
== SuperClass
Object
== Included Modules
* Comparable
* Enumerable
== Class Methods
--- lockall(flag)
disable paging of all pages mapped. ((|flag|)) can be
((|Mmap::MCL_CURRENT|)) or ((|Mmap::MCL_FUTURE|))
--- new(file, [mode [, protection [, options]]])
create a new object
: ((|file|))
Pathname of the file, if ((|nil|)) is given an anonymous map
is created ((|Mmanp::MAP_ANON|))
: ((|mode|))
Mode to open the file, it can be "r", "w" or "rw"
: ((|protection|))
specify the nature of the mapping
: ((|Mmap::MAP_SHARED|))
Creates a mapping that's shared with all other processes
mapping the same areas of the file.
The default value is ((|Mmap::MAP_SHARED|))
: ((|Mmap::MAP_PRIVATE|))
Creates a private copy-on-write mapping, so changes to the
contents of the mmap object will be private to this process
: ((|options|))
Hash. If one of the options ((|length|)) or ((|offset|))
is specified it will not possible to modify the size of
the mapped file.
: ((|length|))
Maps ((|length|)) bytes from the file
: ((|offset|))
The mapping begin at ((|offset|))
: ((|advice|))
The type of the access (see #madvise)
--- unlockall
reenable paging
== Methods
--- extend(count)
add ((|count|)) bytes to the file (i.e. pre-extend the file)
--- madvise(advice)
((|advice|)) can have the value ((|Mmap::MADV_NORMAL|)),
((|Mmap::MADV_RANDOM|)), ((|Mmap::MADV_SEQUENTIAL|)),
((|Mmap::MADV_WILLNEED|)), ((|Mmap::MADV_DONTNEED|))
--- mprotect(mode)
change the mode, value must be "r", "w" or "rw"
--- mlock
disable paging
--- msync
--- flush
flush the file
--- munlock
reenable paging
--- munmap
terminate the association
=== Other methods with the same syntax than the methods of ((|String|))
self == other
self > other
self >= other
self < other
self <= other
self === other
self << other
self =~ other
self[nth]
self[start..last]
self[start, length]
self[nth] = val
self[start..last] = val
self[start, len] = val
self <=> other
<<(other)
casecmp(other) >= 1.7.1
concat(other)
capitalize!
chop!
chomp!([rs])
count(o1 [, o2, ...])
crypt(salt)
delete!(str)
downcase!
each_byte {|char|...}
each([rs]) {|line|...}
each_line([rs]) {|line|...}
empty?
freeze
frozen
gsub!(pattern, replace)
gsub!(pattern) {...}
include?(other)
index(substr[, pos])
insert(index, str) >= 1.7.1
length
reverse!
rindex(substr[, pos])
scan(pattern)
scan(pattern) {...}
size
slice
slice!
split([sep[, limit]])
squeeze!([str])
strip!
sub!(pattern, replace)
sub!(pattern) {...}
sum([bits])
swapcase!
tr!(search, replace)
tr_s!(search, replace)
upcase!
=end
|
