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version 1.6, 2026/02/11 13:36:09
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version 1.6.4.1, 2026/02/18 01:23:04
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Line 138 rbuf_isempty(ringbuf_t *rbuf)
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Line 138 rbuf_isempty(ringbuf_t *rbuf)
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| int |
int |
| rbuf_isfull(ringbuf_t *rbuf) |
rbuf_isfull(ringbuf_t *rbuf) |
| { |
{ |
| int h, t; |
|
| |
|
| if (!rbuf) |
if (!rbuf) |
| return -1; |
return -1; |
| if (!rbuf->rb_bufnum) |
if (!rbuf->rb_bufnum) |
| return 1; |
return 1; |
| |
|
| t = atomic_load_explicit((atomic_int*) &rbuf->rb_tail, memory_order_acquire); | return (((atomic_load_explicit((atomic_int*) &rbuf->rb_head, memory_order_relaxed) + 1) % rbuf->rb_bufnum) == |
| h = atomic_load_explicit((atomic_int*) &rbuf->rb_head, memory_order_relaxed) + 1; | atomic_load_explicit((atomic_int*) &rbuf->rb_tail, memory_order_acquire)); |
| if (h >= rbuf->rb_bufnum) | |
| h ^= h; | |
| |
| return (h == t); | |
| } |
} |
| |
|
| /* |
/* |
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