diff options
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: |