dqueue.h

来自「优龙2410linux2.6.8内核源代码」· C头文件 代码 · 共 32 行

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/* $Id: dqueue.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */#ifndef _DIVA_USER_MODE_IDI_DATA_QUEUE_H__#define _DIVA_USER_MODE_IDI_DATA_QUEUE_H__#define DIVA_UM_IDI_MAX_MSGS 64typedef struct _diva_um_idi_data_queue {	int segments;	int max_length;	int read;	int write;	int count;	int segment_pending;	void *data[DIVA_UM_IDI_MAX_MSGS];	int length[DIVA_UM_IDI_MAX_MSGS];} diva_um_idi_data_queue_t;int diva_data_q_init(diva_um_idi_data_queue_t * q,		     int max_length, int max_segments);int diva_data_q_finit(diva_um_idi_data_queue_t * q);int diva_data_q_get_max_length(const diva_um_idi_data_queue_t * q);void *diva_data_q_get_segment4write(diva_um_idi_data_queue_t * q);void diva_data_q_ack_segment4write(diva_um_idi_data_queue_t * q,				   int length);const void *diva_data_q_get_segment4read(const diva_um_idi_data_queue_t *					 q);int diva_data_q_get_segment_length(const diva_um_idi_data_queue_t * q);void diva_data_q_ack_segment4read(diva_um_idi_data_queue_t * q);#endif

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