Last change
on this file since 5945 was 5935, checked in by sandervl, 24 years ago |
reference count (window + class objects) rewrite
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File size:
1.7 KB
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1 | /* $Id: gen_object.h,v 1.6 2001-06-09 14:50:17 sandervl Exp $ */
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2 | /*
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3 | * Generic Object Class for OS/2
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4 | *
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5 | * Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl)
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6 | *
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7 | */
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8 | #ifndef __GEN_OBJECT_H__
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9 | #define __GEN_OBJECT_H__
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10 |
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11 | #include <heapshared.h>
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12 | #ifdef OS2_INCLUDED
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13 | #include <win32api.h>
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14 | #endif
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15 |
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16 | class GenericObject
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17 | {
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18 | public:
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19 | GenericObject(GenericObject **head, CRITICAL_SECTION *pLock);
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20 | virtual ~GenericObject();
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21 |
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22 | GenericObject *GetHead() { return *head; };
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23 | GenericObject *GetNext() { return next; };
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24 |
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25 | void lock() { EnterCriticalSection(pLock); };
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26 | void unlock() { LeaveCriticalSection(pLock); };
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27 |
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28 | void link();
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29 | void unlink();
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30 |
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31 | LONG addRef() { return InterlockedIncrement(&refCount); };
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32 | LONG getRefCount() { return refCount; };
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33 | LONG release();
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34 |
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35 | void markDeleted() { fDeletePending = TRUE; };
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36 |
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37 | static void lock(CRITICAL_SECTION *pLock) { EnterCriticalSection(pLock); };
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38 | static void unlock(CRITICAL_SECTION *pLock) { LeaveCriticalSection(pLock); };
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39 |
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40 | static void DestroyAll(GenericObject *head);
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41 |
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42 | #ifdef __DEBUG_ALLOC__
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43 | void *operator new(size_t size, const char *filename, size_t lineno)
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44 | {
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45 | return _smalloc(size);
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46 | }
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47 | void operator delete(void *location, const char *filename, size_t lineno)
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48 | {
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49 | free(location);
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50 | }
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51 | #else
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52 | void *operator new(size_t size)
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53 | {
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54 | return _smalloc(size);
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55 | }
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56 | void operator delete(void *location)
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57 | {
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58 | free(location);
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59 | }
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60 | #endif
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61 |
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62 | private:
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63 |
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64 | protected:
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65 |
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66 | CRITICAL_SECTION *pLock;
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67 | LONG refCount;
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68 | ULONG fLinked : 1,
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69 | fDeletePending : 1;
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70 |
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71 | GenericObject **head;
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72 | GenericObject *next;
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73 | };
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74 |
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75 | #endif
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