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Edit the documentation.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ttate 2002-04-14 15:21:23 +00:00
parent cd948e4600
commit 66484faf1b
1 changed files with 7 additions and 2 deletions
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9
ext/dl/doc/dl.txt
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@ -47,12 +47,17 @@ struct and union which are defined in dl/struct.rb as follows:
require "dl/struct" require "dl/struct"
module LIBC module LIBC
extend DL::Importable extend DL::Importable
Timeval = struct [ # define the timeval structure. Timeval = struct [ # define the timeval structure.
"long tv_sec", "long tv_sec",
"long tv_uses", "long tv_uses",
] ]
end end
val = LIBC::Timeval.new # allocate the memory. val = LIBC::Timeval.alloc # allocate the memory.
The above example uses LIBC::Timeval.alloc, 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().
DL::Importable module is very useful. However, we sometimes encounter a case DL::Importable module is very useful. However, we sometimes encounter a case
that we must directly use low-level functions such as dlsym(). In such case, that we must directly use low-level functions such as dlsym(). In such case,