Mark
19 lines
402 B
C
19 lines
402 B
C
#pragma once
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#include "sys/types.h"
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#include "sys/spin.h"
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// Ring buffer
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struct ring {
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char *data;
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size_t wrptr;
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size_t rdptr;
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size_t cap;
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spin_t lock;
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struct thread *listener;
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};
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size_t ring_avail(struct ring *b);
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ssize_t ring_read(struct thread *ctx, struct ring *b, void *buf, size_t lim);
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int ring_putc(struct ring *b, char c);
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void ring_init(struct ring *b, size_t cap);
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