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			50 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			50 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD | ||
|  |  * | ||
|  |  * SPDX-License-Identifier: Apache-2.0 | ||
|  |  */ | ||
|  | #pragma once
 | ||
|  | 
 | ||
|  | #include "lwip/sockets.h"
 | ||
|  | #include "netdb_macros.h"
 | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | extern "C" { | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #ifdef CONFIG_IDF_TARGET_LINUX
 | ||
|  | // namespace with esp_ on linux to avoid conflict of symbols
 | ||
|  | #define socketpair esp_socketpair
 | ||
|  | #define pipe esp_pipe
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | /**
 | ||
|  | * @brief Creates a pair of connected sockets. | ||
|  | * | ||
|  | * @param[in]  domain   Communication domain (e.g., AF_UNIX). | ||
|  | * @param[in]  type     Socket type (e.g., SOCK_STREAM). | ||
|  | * @param[in]  protocol Protocol to be used (usually 0). | ||
|  | * @param[out] sv       Array of two integers to store the file descriptors of the created sockets. | ||
|  | * | ||
|  | * @return | ||
|  | *     - 0 on success. | ||
|  | *     - -1 on failure, with `errno` set to indicate the error. | ||
|  | */ | ||
|  | int socketpair(int domain, int type, int protocol, int sv[2]); | ||
|  | 
 | ||
|  | /**
 | ||
|  |  * @brief Creates a unidirectional data channel (pipe). | ||
|  |  * | ||
|  |  * @param[out] pipefd Array of two integers where the file descriptors for the read and write ends | ||
|  |  *                    of the pipe will be stored. | ||
|  |  * | ||
|  |  * @return | ||
|  |  *     - 0 on success. | ||
|  |  *     - -1 on failure, with `errno` set to indicate the error. | ||
|  |  */ | ||
|  | int pipe(int pipefd[2]); | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | } | ||
|  | #endif
 |