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gc: Export ruby_memnotify #23

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gc: Export ruby_memnotify #23

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15 changes: 15 additions & 0 deletions gc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -6192,6 +6192,21 @@ objspace_xfree(rb_objspace_t *objspace, void *ptr, size_t old_size)
objspace_malloc_increase(objspace, ptr, 0, old_size, MEMOP_TYPE_FREE);
}

void
ruby_memnotify(void *mem, size_t new_size, size_t old_size)
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I was confused a bit about this signature at first before reading the code. Guess it makes sense, but maybe good to document that behavior in a comment?

{
enum memop_type t;

if (new_size == 0)
t = MEMOP_TYPE_FREE;
else if (old_size == 0)
t = MEMOP_TYPE_MALLOC;
else
t = MEMOP_TYPE_REALLOC;

objspace_malloc_increase(&rb_objspace, mem, new_size, old_size, t);
}

void *
ruby_xmalloc(size_t size)
{
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1 change: 1 addition & 0 deletions include/ruby/defines.h
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Expand Up @@ -124,6 +124,7 @@ void *xcalloc(size_t,size_t) RUBY_ATTR_ALLOC_SIZE((1,2));
void *xrealloc(void*,size_t) RUBY_ATTR_ALLOC_SIZE((2));
void *xrealloc2(void*,size_t,size_t) RUBY_ATTR_ALLOC_SIZE((2,3));
void xfree(void*);
void ruby_memnotify(void*,size_t,size_t);

#define STRINGIZE(expr) STRINGIZE0(expr)
#ifndef STRINGIZE0
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