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	The free-threaded GC uses mimallocs segment thread IDs to restore the overwritten `ob_tid` thread ids in PyObjects. For that reason, it's important that PyObjects and mimalloc use the same identifiers.
		
			
				
	
	
		
			54 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef Py_INTERNAL_MIMALLOC_H
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#define Py_INTERNAL_MIMALLOC_H
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#ifndef Py_BUILD_CORE
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#  error "this header requires Py_BUILD_CORE define"
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#endif
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#if defined(MIMALLOC_H) || defined(MIMALLOC_TYPES_H)
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#  error "pycore_mimalloc.h must be included before mimalloc.h"
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#endif
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typedef enum {
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    _Py_MIMALLOC_HEAP_MEM = 0,      // PyMem_Malloc() and friends
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    _Py_MIMALLOC_HEAP_OBJECT = 1,   // non-GC objects
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    _Py_MIMALLOC_HEAP_GC = 2,       // GC objects without pre-header
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    _Py_MIMALLOC_HEAP_GC_PRE = 3,   // GC objects with pre-header
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    _Py_MIMALLOC_HEAP_COUNT
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} _Py_mimalloc_heap_id;
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#include "pycore_pymem.h"
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#ifdef WITH_MIMALLOC
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#  ifdef Py_GIL_DISABLED
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#    define MI_PRIM_THREAD_ID   _Py_ThreadId
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#  endif
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#  define MI_DEBUG_UNINIT     PYMEM_CLEANBYTE
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#  define MI_DEBUG_FREED      PYMEM_DEADBYTE
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#  define MI_DEBUG_PADDING    PYMEM_FORBIDDENBYTE
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#ifdef Py_DEBUG
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#  define MI_DEBUG 1
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#else
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#  define MI_DEBUG 0
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#endif
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#include "mimalloc.h"
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#include "mimalloc/types.h"
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#include "mimalloc/internal.h"
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#endif
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#ifdef Py_GIL_DISABLED
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struct _mimalloc_interp_state {
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    // When exiting, threads place any segments with live blocks in this
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    // shared pool for other threads to claim and reuse.
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    mi_abandoned_pool_t abandoned_pool;
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};
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struct _mimalloc_thread_state {
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    mi_heap_t *current_object_heap;
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    mi_heap_t heaps[_Py_MIMALLOC_HEAP_COUNT];
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    mi_tld_t tld;
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};
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#endif
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#endif // Py_INTERNAL_MIMALLOC_H
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