46 lines
1.1 KiB
C
Executable File
46 lines
1.1 KiB
C
Executable File
/*
|
|
* rpc_atomic.c
|
|
*
|
|
* Created on: 2011-4-11
|
|
* Author: yanghu
|
|
*/
|
|
|
|
|
|
#include "rpc_atomic.h"
|
|
|
|
int rpc_atomic_int_get(volatile int *atomic){
|
|
__sync_synchronize();
|
|
return *atomic;
|
|
}
|
|
|
|
void rpc_atomic_int_set(volatile int *atomic,int newval){
|
|
*atomic = newval;
|
|
__sync_synchronize();
|
|
}
|
|
|
|
void rpc_atomic_int_add(volatile int *atomic,int val){
|
|
__sync_fetch_and_add(atomic,val);
|
|
}
|
|
|
|
int rpc_atomic_int_exchange_and_add(volatile int *atomic,int val){
|
|
return __sync_fetch_and_add(atomic,val);
|
|
}
|
|
|
|
boolean rpc_atomic_int_compare_and_exchange(volatile int *atomic,int oldval,int newval){
|
|
return __sync_bool_compare_and_swap(atomic,oldval,newval);
|
|
}
|
|
|
|
pointer rpc_atomic_pointer_get(volatile pointer *atomic){
|
|
__sync_synchronize();
|
|
return *atomic;
|
|
}
|
|
|
|
void rpc_atomic_pointer_set(volatile pointer *atomic,pointer newval){
|
|
*atomic = newval;
|
|
__sync_synchronize();
|
|
}
|
|
|
|
boolean rpc_atomic_pointer_compare_and_exchange(volatile pointer *atomic,pointer oldval,pointer newval){
|
|
return __sync_bool_compare_and_swap(atomic,oldval,newval);
|
|
}
|