46 lines
952 B
C
46 lines
952 B
C
#ifndef _SPECIFIC_COMM_H_
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#define _SPECIFIC_COMM_H_ 1
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#include <stdint.h>
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/* Non standard include */
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#include <common_comm.h>
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/* This is not an error, we need this two-macro system */
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#define toString(x) doStringification(x)
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#define doStringification(x) #x
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struct comm_channel
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{
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volatile void *buf[2 * BUF_SIZE / sizeof(void *)] __attribute__ ((aligned (CACHE_LINE_SIZE)));
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volatile int state __attribute__ ((aligned (CACHE_LINE_SIZE)));
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int idx __attribute__ ((aligned (CACHE_LINE_SIZE)));
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};
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struct thread_comm
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{
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struct comm_channel *channel;
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int receiver_idx;
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};
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extern struct thread_comm *tcomms;
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extern __thread struct comm_channel channel;
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__BEGIN_DECLS
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void init_thread_comm(void);
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static inline void send(void **addr)
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{
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channel.buf[channel.idx++] = addr;
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channel.idx %= 2 * BUF_SIZE / sizeof(void *);
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if (!(channel.idx % (BUF_SIZE / sizeof(void *))))
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{
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while (channel.state);
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channel.state = 1;
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}
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}
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__END_DECLS
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#endif
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