Mercurial > hg > Game > Cerium
annotate TaskManager/kernel/ppe/Sem.h @ 1531:4443d59a8210 draft
SDL.h in main.cc
| author | yuhi@cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Fri, 07 Dec 2012 15:46:27 +0900 |
| parents | 4c209dd223cd |
| children | f73ca57cdc81 |
| rev | line source |
|---|---|
| 1180 | 1 #ifndef INCLUDED_SEM |
| 2 #define INCLUDED_SEM | |
| 3 | |
| 4 #include <pthread.h> | |
| 5 | |
| 6 typedef struct sem_t { | |
| 7 volatile int value; //セマフォ変数 | |
| 8 pthread_mutex_t mutex; //セマフォ操作用のロック | |
| 9 pthread_cond_t cond; //待ち合わせ用の条件変数 | |
| 10 } sem_t, *sem_ptr; | |
| 11 | |
| 12 class Sem { | |
| 13 public: | |
| 14 /* constructor */ | |
| 15 Sem(int value); | |
| 16 ~Sem(); | |
| 17 void sem_p(); | |
| 18 void sem_v(); | |
| 1186 | 19 int count(); |
| 1180 | 20 /* variables */ |
| 21 private: | |
| 22 sem_t *sem; | |
| 23 }; | |
| 24 | |
| 25 typedef Sem *SemPtr; | |
| 26 | |
| 27 #endif /* INCLUDED_SEM */ |