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Last change
on this file since 105 was
104,
checked in by sz, 11 years ago
|
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introducing object de/serialization - see serialtest.cpp
the core GDK classes can be now used in multiple threads (ifdef MULTITHREADED)
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-
Property svn:eol-style set to
native
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File size:
709 bytes
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| Line | |
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| 1 | #ifndef _THREADS_H_ |
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| 2 | #define _THREADS_H_ |
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| 3 | |
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| 4 | #ifdef MULTITHREADED |
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| 5 | |
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| 6 | #include <pthread.h> |
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| 7 | |
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| 8 | template<class T> class ThreadSingleton |
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| 9 | { |
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| 10 | pthread_key_t mt_key; |
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| 11 | |
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| 12 | public: |
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| 13 | |
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| 14 | ThreadSingleton() |
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| 15 | { |
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| 16 | pthread_key_create(&mt_key,&destructor); |
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| 17 | } |
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| 18 | |
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| 19 | static void destructor(void* o) |
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| 20 | { |
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| 21 | if (o) |
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| 22 | delete (T*)o; |
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| 23 | } |
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| 24 | |
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| 25 | T* set(T* new_o) |
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| 26 | { |
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| 27 | T* o=(T*)pthread_getspecific(mt_key); |
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| 28 | pthread_setspecific(mt_key,new_o); |
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| 29 | return o; |
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| 30 | } |
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| 31 | |
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| 32 | T* get() |
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| 33 | { |
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| 34 | T* o=(T*)pthread_getspecific(mt_key); |
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| 35 | if (!o) |
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| 36 | { |
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| 37 | o=new T(); |
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| 38 | pthread_setspecific(mt_key,o); |
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| 39 | } |
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| 40 | return o; |
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| 41 | } |
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| 42 | |
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| 43 | T& getref() {return *get();} |
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| 44 | }; |
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| 45 | |
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| 46 | #else |
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| 47 | |
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| 48 | template<class T> class ThreadSingleton |
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| 49 | { |
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| 50 | T object; |
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| 51 | |
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| 52 | public: |
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| 53 | |
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| 54 | T* get() {return &object;} |
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| 55 | T& getref() {return object;} |
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| 56 | }; |
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| 57 | |
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| 58 | #endif |
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| 59 | |
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| 60 | #endif |
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