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