зеркало из https://github.com/github/ruby.git
78 строки
3.2 KiB
C
78 строки
3.2 KiB
C
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#ifndef INTERNAL_GC_H /* -*- C -*- */
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#define INTERNAL_GC_H
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/**
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* @file
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* @brief Internal header for GC.
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* @author \@shyouhei
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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*/
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/* gc.c */
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extern VALUE *ruby_initial_gc_stress_ptr;
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extern int ruby_disable_gc;
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void *ruby_mimmalloc(size_t size) RUBY_ATTR_MALLOC;
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void ruby_mimfree(void *ptr);
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void rb_objspace_set_event_hook(const rb_event_flag_t event);
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#if USE_RGENGC
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void rb_gc_writebarrier_remember(VALUE obj);
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#else
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#define rb_gc_writebarrier_remember(obj) 0
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#endif
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void ruby_gc_set_params(void);
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void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj);
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#if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
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#define ruby_sized_xrealloc(ptr, new_size, old_size) ruby_xrealloc(ptr, new_size)
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#define ruby_sized_xrealloc2(ptr, new_count, element_size, old_count) ruby_xrealloc2(ptr, new_count, element_size)
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#define ruby_sized_xfree(ptr, size) ruby_xfree(ptr)
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#define SIZED_REALLOC_N(var,type,n,old_n) REALLOC_N(var, type, n)
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#else
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RUBY_SYMBOL_EXPORT_BEGIN
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void *ruby_sized_xrealloc(void *ptr, size_t new_size, size_t old_size) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2));
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void *ruby_sized_xrealloc2(void *ptr, size_t new_count, size_t element_size, size_t old_count) RUBY_ATTR_RETURNS_NONNULL RUBY_ATTR_ALLOC_SIZE((2, 3));
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void ruby_sized_xfree(void *x, size_t size);
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RUBY_SYMBOL_EXPORT_END
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#define SIZED_REALLOC_N(var,type,n,old_n) ((var)=(type*)ruby_sized_xrealloc2((void*)(var), (n), sizeof(type), (old_n)))
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#endif
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/* optimized version of NEWOBJ() */
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#undef NEWOBJF_OF
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#undef RB_NEWOBJ_OF
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#define RB_NEWOBJ_OF(obj,type,klass,flags) \
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type *(obj) = (type*)(((flags) & FL_WB_PROTECTED) ? \
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rb_wb_protected_newobj_of(klass, (flags) & ~FL_WB_PROTECTED) : \
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rb_wb_unprotected_newobj_of(klass, flags))
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#define NEWOBJ_OF(obj,type,klass,flags) RB_NEWOBJ_OF(obj,type,klass,flags)
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#if __has_attribute(alloc_align)
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__attribute__((__alloc_align__(1)))
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#endif
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void *rb_aligned_malloc(size_t, size_t) RUBY_ATTR_MALLOC RUBY_ATTR_ALLOC_SIZE((2));
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size_t rb_size_mul_or_raise(size_t, size_t, VALUE); /* used in compile.c */
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size_t rb_size_mul_add_or_raise(size_t, size_t, size_t, VALUE); /* used in iseq.h */
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void *rb_xmalloc_mul_add(size_t, size_t, size_t) RUBY_ATTR_MALLOC;
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void *rb_xrealloc_mul_add(const void *, size_t, size_t, size_t);
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void *rb_xmalloc_mul_add_mul(size_t, size_t, size_t, size_t) RUBY_ATTR_MALLOC;
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void *rb_xcalloc_mul_add_mul(size_t, size_t, size_t, size_t) RUBY_ATTR_MALLOC;
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RUBY_SYMBOL_EXPORT_BEGIN
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const char *rb_objspace_data_type_name(VALUE obj);
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/* gc.c (export) */
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VALUE rb_wb_protected_newobj_of(VALUE, VALUE);
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VALUE rb_wb_unprotected_newobj_of(VALUE, VALUE);
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size_t rb_obj_memsize_of(VALUE);
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void rb_gc_verify_internal_consistency(void);
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#define RB_OBJ_GC_FLAGS_MAX 6
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size_t rb_obj_gc_flags(VALUE, ID[], size_t);
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void rb_gc_mark_values(long n, const VALUE *values);
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void rb_gc_mark_vm_stack_values(long n, const VALUE *values);
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RUBY_SYMBOL_EXPORT_END
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#endif /* INTERNAL_GC_H */
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