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Improved ruby trackings across DSOs, removing the

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need for -DSWIG_EXTERN.



git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9699 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Gonzalo Garramuno 2007-04-29 18:48:22 +00:00
commit 18f614364f
3 changed files with 27 additions and 23 deletions
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41
Lib/ruby/rubytracking.swg
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@ -28,41 +28,40 @@ extern "C" {
# define NUM2SWIG(x) (unsigned long)NUM2LONG(x)
#endif
/* Global Ruby hash table to store Trackings from C/C++
structs to Ruby Objects.
If you SWIG a library into two different DSO or DLL, make
sure to define SWIGEXTERN for all but one of them.
This will then create a single hash table for all your
library symbols.
*/
#ifdef SWIGEXTERN
extern VALUE swig_ruby_trackings;
#else
VALUE swig_ruby_trackings = Qnil;
#endif
static VALUE swig_ruby_trackings = Qnil;
/* Global variable that stores a reference to the ruby
hash table delete function. */
#ifdef SWIGEXTERN
extern ID swig_ruby_hash_delete;
#else
ID swig_ruby_hash_delete;
#endif
static ID swig_ruby_hash_delete;
/* Setup a Ruby hash table to store Trackings */
SWIGRUNTIME void SWIG_RubyInitializeTrackings(void) {
/* Create a ruby hash table to store Trackings from C++
objects to Ruby objects. Also make sure to tell
the garabage collector about the hash table. */
objects to Ruby objects. */
/* Try to see if some other .so has already created a
tracking hash table, which we keep hidden in an instance var
in the SWIG module.
This is done to allow multiple DSOs to share the same
tracking table.
*/
ID trackings_id = rb_intern( "trackings" );
swig_ruby_trackings = rb_ivar_get( _mSWIG, trackings_id );
/* No, it hasn't. Create one ourselves */
if ( swig_ruby_trackings == Qnil )
{
swig_ruby_trackings = rb_hash_new();
rb_gc_register_address(&swig_ruby_trackings);
/* Now store a reference to the hash table delete function
so that we only have to look it up once.*/
swig_ruby_hash_delete = rb_intern("delete");
rb_ivar_set( _mSWIG, trackings_id, swig_ruby_trackings );
}
/* Now store a reference to the hash table delete function
so that we only have to look it up once.*/
swig_ruby_hash_delete = rb_intern("delete");
}
/* Get a Ruby number to reference a pointer */