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author | ttate <ttate@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-10-02 14:28:40 +0000 |
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committer | ttate <ttate@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2002-10-02 14:28:40 +0000 |
commit | 0c767620cd00ec0739debea2b2a33f0f3e3ab65f (patch) | |
tree | bb4fe73fc9410336c0a3b0db14a4179a9100a3e2 /ext/dl | |
parent | 71c41cf5a5a72e2f7f1f7b7ac1a14213f1fb52cc (diff) | |
download | ruby-0c767620cd00ec0739debea2b2a33f0f3e3ab65f.tar.gz |
Improve the description.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2922 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/dl')
-rw-r--r-- | ext/dl/doc/dl.txt | 11 |
1 files changed, 5 insertions, 6 deletions
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: |