From 0c767620cd00ec0739debea2b2a33f0f3e3ab65f Mon Sep 17 00:00:00 2001 From: ttate Date: Wed, 2 Oct 2002 14:28:40 +0000 Subject: Improve the description. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/dl/doc/dl.txt | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'ext/dl/doc') diff --git a/ext/dl/doc/dl.txt b/ext/dl/doc/dl.txt index 4557d6d303..44499bba15 100644 --- a/ext/dl/doc/dl.txt +++ b/ext/dl/doc/dl.txt @@ -47,17 +47,16 @@ struct and union which are defined in "dl/struct.rb" as follows: require "dl/struct" module LIBC extend DL::Importable - Timeval = struct [ # define the timeval structure. + Timeval = struct [ # define timeval structure. "long tv_sec", "long tv_uses", ] end - val = LIBC::Timeval.malloc # allocate the memory. + val = LIBC::Timeval.malloc # allocate memory. -The above example uses LIBC::Timeval.malloc, since we use LIBC::Timeval.new(ptr) -to wrap the given PtrData object which is, for example, created by DL::malloc(). -DL::malloc() is a function to allocate a memory by using the C library function -malloc(). +Notice that the above example takes LIBC::Timeval.malloc to allocate memory, +rather than LIBC::Timeval.new. It is because DL::Timeval.new is for wrapping +an object, PtrData, which has already been created. We can define a callback using the module function "callback" as follows: -- cgit v1.2.3