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86 lines
2.5 KiB
86 lines
2.5 KiB
4 months ago
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/*
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* Copyright (C) 2016 The Android Open Source Project
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* Copyright (C) 2016 Mopria Alliance, Inc.
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* Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __IFC_WPRINT_H__
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#define __IFC_WPRINT_H__
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#include "wprint_msgq.h"
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#include "wtypes.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*
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* An interface for capturing job data as it is spooled for debugging purposes
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*/
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typedef struct {
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void (*debug_start_job)(wJob_t job_handle, const char *ext);
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void (*debug_job_data)(wJob_t job_handle, const unsigned char *buff, unsigned long nbytes);
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void (*debug_end_job)(wJob_t job_handle);
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void (*debug_start_page)(wJob_t job_handle, int page_number, int width, int height);
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void (*debug_page_data)(wJob_t job_handle, const unsigned char *buff, unsigned long nbytes);
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void (*debug_end_page)(wJob_t job_handle);
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} ifc_wprint_debug_stream_t;
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/*
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* Interface for global wprint functions
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*/
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typedef struct {
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/*
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* Create a FIFO message queue
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*/
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msg_q_id (*msgQCreate)(int max_mesgs, int max_msg_length);
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/*
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* Delete a previously created message queue. Returns OK or ERROR.
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*/
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status_t (*msgQDelete)(msg_q_id msgQ);
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/**
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* Sends a message to a message queue. Returns OK or ERROR.
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*/
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status_t (*msgQSend)(msg_q_id msgQ, const char *buffer, unsigned long nbytes, int timeout,
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int priority);
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/**
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* Collects a message, returning 0 if successful. timeout may be WAIT_FOREVER or NO_WAIT.
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*/
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status_t (*msgQReceive)(msg_q_id msgQ, char *buffer, unsigned long max_nbytes, int timeout);
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/**
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* Returns the number of messages in the queue or ERROR.
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*/
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int (*msgQNumMsgs)(msg_q_id msgQ);
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/*
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* Returns an interface used for debugging data delivered for a job
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*/
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const ifc_wprint_debug_stream_t *(*get_debug_stream_ifc)(wJob_t id);
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} ifc_wprint_t;
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#ifdef __cplusplus
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}
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#endif
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#endif // __IFC_WPRINT_H__
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