42 lines
923 B
C
42 lines
923 B
C
#ifndef _SPECIFIC_COMM_H_
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#define _SPECIFIC_COMM_H_ 1
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/* Non standard include */
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#include <commtech.h>
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#define SHARED_SPACE_SIZE (2 * BUF_SIZE)
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#define SHARED_SPACE_VOIDPTR (SHARED_SPACE_SIZE / sizeof(void *))
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struct thread_comm
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{
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volatile void **shared_space;
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volatile int *cons_idx;
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volatile int *prod_idx;
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};
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extern struct thread_comm *tcomms;
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__BEGIN_DECLS
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extern __thread volatile void **shared_space;
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extern __thread volatile int prod_idx;
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extern __thread volatile int cons_idx;
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int init_thread_comm(struct thread_comm *);
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int end_thread_comm(void);
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static inline void send(void **addr) {
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static __thread int local_cons_idx = 0;
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if (likely(((prod_idx + 1) % SHARED_SPACE_VOIDPTR) == local_cons_idx))
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{
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while (((prod_idx + 1) % SHARED_SPACE_VOIDPTR) == cons_idx);
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local_cons_idx = cons_idx;
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}
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shared_space[prod_idx] = addr;
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prod_idx = (prod_idx + 1) % SHARED_SPACE_VOIDPTR;
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}
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__END_DECLS
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#endif
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