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Feature #1047 » patch-1.9.2-gc-methods.patch

patch for GC parameters getters and setters - funny_falcon (Yura Sokolov), 03/06/2011 06:08 PM

gc.c
}
/*
* call-seq:
* GC.malloc_limit -> Integer
*
* The size of the malloc limit (minimum heap size).
*
* It returns the bare minimum size of the heap.
*/
static VALUE
gc_malloc_limit_get(VALUE self)
{
rb_objspace_t *objspace = &rb_objspace;
return UINT2NUM(malloc_limit);
}
/*
*
* call-seq:
* GC.malloc_limit = integer -> Integer
*
* Updates the size of the malloc limit (minimum heap size).
*
* It returns the new bare minimum size of the heap.
*/
static VALUE
gc_malloc_limit_set(VALUE self, VALUE new_limit)
{
rb_objspace_t *objspace = &rb_objspace;
malloc_limit = initial_malloc_limit = NUM2UINT(new_limit);
return new_limit;
}
/*
* call-seq:
* GC.heap_min_slots -> Integer
*
* The minimum number of slots in each heap slab.
*
* It returns the number of slots to allocate for each heap slab.
*/
static VALUE
gc_heap_min_slots_get(VALUE self)
{
return UINT2NUM(initial_heap_min_slots);
}
/*
*
* call-seq:
* GC.heap_min_slots = integer -> Integer
*
* Updates the minimum number of slots in each heap slab.
*
* It returns the new number of slots to allocate for each heap slab.
*/
static VALUE
gc_heap_min_slots_set(VALUE self, VALUE new_num_slots)
{
initial_heap_min_slots = NUM2UINT(new_num_slots);
return new_num_slots;
}
/*
* call-seq:
* GC.free_min -> Integer
*
* The minimum number of free slots after gc.
*
* It returns minimum number of free slots after garbage collection
* which do not lead to allocation of new heaps
*/
static VALUE
gc_free_min_get(VALUE self)
{
return UINT2NUM(initial_free_min);
}
/*
* call-seq:
* GC.free_min = integer -> Integer
*
* Updates the minimum number of free slots.
*
* It return the new minimum number of free slots.
*/
static VALUE
gc_free_min_set(VALUE self, VALUE new_free_min)
{
initial_free_min = NUM2UINT(new_free_min);
return new_free_min;
}
/*
* The <code>GC</code> module provides an interface to Ruby's mark and
* sweep garbage collection mechanism. Some of the underlying methods
* are also available via the <code>ObjectSpace</code> module.
......
rb_define_singleton_method(rb_mGC, "stress", gc_stress_get, 0);
rb_define_singleton_method(rb_mGC, "stress=", gc_stress_set, 1);
rb_define_singleton_method(rb_mGC, "count", gc_count, 0);
rb_define_singleton_method(rb_mGC, "malloc_limit", gc_malloc_limit_get, 0);
rb_define_singleton_method(rb_mGC, "malloc_limit=", gc_malloc_limit_set, 1);
rb_define_singleton_method(rb_mGC, "heap_min_slots", gc_heap_min_slots_get, 0);
rb_define_singleton_method(rb_mGC, "heap_min_slots=", gc_heap_min_slots_set, 1);
rb_define_singleton_method(rb_mGC, "free_min", gc_free_min_get, 0);
rb_define_singleton_method(rb_mGC, "free_min=", gc_free_min_set, 1);
rb_define_method(rb_mGC, "garbage_collect", rb_gc_start, 0);
rb_mProfiler = rb_define_module_under(rb_mGC, "Profiler");
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