Lines Matching refs:head
71 unsigned head;
141 struct nine_cmdbuf *cmdbuf = &ctx->pool[ctx->head];
156 ctx->head = (ctx->head + 1) & NINE_CMD_BUFS_MASK;
158 cmdbuf = &ctx->pool[ctx->head];
180 struct nine_cmdbuf *cmdbuf = &ctx->pool[ctx->head];
192 cmdbuf = &ctx->pool[ctx->head];
213 return (ctx->tail == ctx->head);
222 struct nine_cmdbuf *cmdbuf = &ctx->pool[ctx->head];
224 return (ctx->tail == ctx->head) && !cmdbuf->num_instr;