13d8536b4Sopenharmony_ci/* 23d8536b4Sopenharmony_ci * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved. 33d8536b4Sopenharmony_ci * 43d8536b4Sopenharmony_ci * Redistribution and use in source and binary forms, with or without modification, 53d8536b4Sopenharmony_ci * are permitted provided that the following conditions are met: 63d8536b4Sopenharmony_ci * 73d8536b4Sopenharmony_ci * 1. Redistributions of source code must retain the above copyright notice, this list of 83d8536b4Sopenharmony_ci * conditions and the following disclaimer. 93d8536b4Sopenharmony_ci * 103d8536b4Sopenharmony_ci * 2. Redistributions in binary form must reproduce the above copyright notice, this list 113d8536b4Sopenharmony_ci * of conditions and the following disclaimer in the documentation and/or other materials 123d8536b4Sopenharmony_ci * provided with the distribution. 133d8536b4Sopenharmony_ci * 143d8536b4Sopenharmony_ci * 3. Neither the name of the copyright holder nor the names of its contributors may be used 153d8536b4Sopenharmony_ci * to endorse or promote products derived from this software without specific prior written 163d8536b4Sopenharmony_ci * permission. 173d8536b4Sopenharmony_ci * 183d8536b4Sopenharmony_ci * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 193d8536b4Sopenharmony_ci * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 203d8536b4Sopenharmony_ci * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 213d8536b4Sopenharmony_ci * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 223d8536b4Sopenharmony_ci * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 233d8536b4Sopenharmony_ci * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 243d8536b4Sopenharmony_ci * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 253d8536b4Sopenharmony_ci * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 263d8536b4Sopenharmony_ci * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 273d8536b4Sopenharmony_ci * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 283d8536b4Sopenharmony_ci * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 293d8536b4Sopenharmony_ci */ 303d8536b4Sopenharmony_ci 313d8536b4Sopenharmony_ci#ifndef _PIPE_IMPL_H 323d8536b4Sopenharmony_ci#define _PIPE_IMPL_H 333d8536b4Sopenharmony_ci 343d8536b4Sopenharmony_ci#include <stdio.h> 353d8536b4Sopenharmony_ci#include <unistd.h> 363d8536b4Sopenharmony_ci#include "los_config.h" 373d8536b4Sopenharmony_ci#include "poll_impl.h" 383d8536b4Sopenharmony_ci 393d8536b4Sopenharmony_ci#ifdef __cplusplus 403d8536b4Sopenharmony_ci#if __cplusplus 413d8536b4Sopenharmony_ciextern "C" { 423d8536b4Sopenharmony_ci#endif /* __cplusplus */ 433d8536b4Sopenharmony_ci#endif /* __cplusplus */ 443d8536b4Sopenharmony_ci 453d8536b4Sopenharmony_ci#define PIPE_DEV_PATH "/dev/pipe" 463d8536b4Sopenharmony_ci 473d8536b4Sopenharmony_ciUINT32 OsPipeInit(VOID); 483d8536b4Sopenharmony_ciINT32 PipeOpen(const CHAR *path, INT32 openFlag, INT32 minFd); 493d8536b4Sopenharmony_ciINT32 PipeClose(INT32 fd); 503d8536b4Sopenharmony_ciINT32 PipeRead(INT32 fd, VOID *buf, size_t len); 513d8536b4Sopenharmony_ciINT32 PipeWrite(INT32 fd, const VOID *buf, size_t len); 523d8536b4Sopenharmony_ciINT32 PipeUnlink(const CHAR *path); 533d8536b4Sopenharmony_ciINT32 PipePoll(INT32 fd, struct PollTable *table); 543d8536b4Sopenharmony_ci 553d8536b4Sopenharmony_ci#ifdef __cplusplus 563d8536b4Sopenharmony_ci#if __cplusplus 573d8536b4Sopenharmony_ci} 583d8536b4Sopenharmony_ci#endif /* __cplusplus */ 593d8536b4Sopenharmony_ci#endif /* __cplusplus */ 603d8536b4Sopenharmony_ci 613d8536b4Sopenharmony_ci#endif /* _PIPE_IMPL_H */ 62