#ifndef _SPECIFIC_COMM_H_ #define _SPECIFIC_COMM_H_ 1 /* Non standard include */ #include #define SHARED_SPACE_SIZE (2 * BUF_SIZE) #define SHARED_SPACE_VOIDPTR (SHARED_SPACE_SIZE / sizeof(void *)) struct comm { void * volatile *shared_space; volatile int cons_idx __attribute__ ((aligned (CACHE_LINE_SIZE))); volatile int prod_idx __attribute__ ((aligned (CACHE_LINE_SIZE))); }; __BEGIN_DECLS extern __thread struct comm *comm; static inline void send(void **addr) { static __thread int local_cons_idx = 0; int local_prod, next_prod; local_prod = comm->prod_idx; next_prod = (local_prod + 1) % SHARED_SPACE_VOIDPTR; if (next_prod == local_cons_idx) { while (next_prod == comm->cons_idx); local_cons_idx = comm->cons_idx; } comm->shared_space[local_prod] = addr; comm->prod_idx = next_prod; } __END_DECLS #endif