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* ext/dl/cptr.c (rb_dlptr_s_malloc, rb_dlptr_initialize): adding

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documentation
* test/dl/test_cptr.rb (**): testing that malloc works when passed free
  functions

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25678 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
tenderlove 2009-11-06 22:50:05 +00:00
parent 5296367cf4
commit bc52ea0fde
2 changed files with 35 additions and 0 deletions
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19
ext/dl/cptr.c
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@ -123,6 +123,15 @@ rb_dlptr_s_allocate(VALUE klass)
return obj;
}
/*
* call-seq:
* DL::CPtr.new(address) => dl_cptr
* DL::CPtr.new(address, size) => dl_cptr
* DL::CPtr.new(address, size, freefunc) => dl_cptr
*
* Create a new pointer to +address+ with an optional +size+ and +freefunc+.
* +freefunc+ will be called when the instance is garbage collected.
*/
static VALUE
rb_dlptr_initialize(int argc, VALUE argv[], VALUE self)
{
@ -163,6 +172,16 @@ rb_dlptr_initialize(int argc, VALUE argv[], VALUE self)
return Qnil;
}
/*
* call-seq:
*
* DL::CPtr.malloc(size, freefunc = nil) => dl cptr instance
*
* Allocate +size+ bytes of memory and associate it with an optional
* +freefunc+ that will be called when the pointer is garbage collected.
* +freefunc+ must be an address pointing to a function or an instance of
* DL::CFunc
*/
static VALUE
rb_dlptr_s_malloc(int argc, VALUE argv[], VALUE klass)
{