Atomic-mutex.h

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00038 
00039 #ifndef _OASYS_ATOMIC_MUTEX_H_
00040 #define _OASYS_ATOMIC_MUTEX_H_
00041 
00051 #include "../debug/DebugUtils.h"
00052 #include "../util/Singleton.h"
00053 
00054 namespace oasys {
00055 
00056 class Mutex;
00057 
00061 Mutex* atomic_mutex();
00062 
00067 struct atomic_t {
00068     atomic_t(u_int32_t v = 0) : value(v) {}
00069 
00070     volatile u_int32_t value;
00071 };
00072 
00080 void atomic_add(volatile atomic_t *v, u_int32_t i);
00081 
00088 void atomic_sub(volatile atomic_t* v, u_int32_t i);
00089 
00095 void atomic_incr(volatile atomic_t* v);
00096 
00103 void atomic_decr(volatile atomic_t* v);
00104 
00114 bool atomic_decr_test(volatile atomic_t* v);
00115 
00126 u_int32_t atomic_cmpxchg32(volatile atomic_t* v, u_int32_t o, u_int32_t n);
00127 
00133 u_int32_t atomic_incr_ret(volatile atomic_t* v);
00134 
00141 u_int32_t atomic_add_ret(volatile atomic_t* v, u_int32_t i);
00142 
00143 } // namespace oasys
00144 
00145 #endif /* _OASYS_ATOMIC_MUTEX_H_ */

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