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socketpair.c:Replace kmm with fs heap
due to https://github.com/apache/nuttx/pull/13722/commits, In the socketpair.c,fs_heap interface replaces kmm interface Signed-off-by: wangchen <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /**************************************************************************** | ||
| * fs/socket/socketpair.c | ||
| * | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. The | ||
| * ASF licenses this file to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance with the | ||
| * License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations | ||
| * under the License. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| /**************************************************************************** | ||
| * Included Files | ||
| ****************************************************************************/ | ||
|
|
||
| #include <nuttx/config.h> | ||
|
|
||
| #include <nuttx/kmalloc.h> | ||
| #include <nuttx/net/net.h> | ||
| #include <nuttx/fs/fs.h> | ||
| #include <nuttx/mm/mm.h> | ||
|
|
||
| #include <sys/socket.h> | ||
| #include <assert.h> | ||
| #include <fcntl.h> | ||
| #include <errno.h> | ||
| #include <debug.h> | ||
|
|
||
| #include "inode/inode.h" | ||
| #include "fs_heap.h" | ||
|
|
||
| /**************************************************************************** | ||
| * Public Functions | ||
| ****************************************************************************/ | ||
|
|
||
| /**************************************************************************** | ||
| * Name: socketpair | ||
| * | ||
| * Description: | ||
| * Create an unbound pair of connected sockets in a specified domain, of a | ||
| * specified type, under the protocol optionally specified by the protocol | ||
| * argument. The two sockets shall be identical. The file descriptors used | ||
| * in referencing the created sockets shall be returned in | ||
| * sv[0] and sv[1]. | ||
| * | ||
| * Input Parameters: | ||
| * domain - (see sys/socket.h) | ||
| * type - (see sys/socket.h) | ||
| * protocol - (see sys/socket.h) | ||
| * sv[2] - The user provided array in which to catch the pair | ||
| * descriptors | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| int socketpair(int domain, int type, int protocol, int sv[2]) | ||
| { | ||
| FAR struct socket *psocks[2]; | ||
| int oflags = O_RDWR; | ||
| int ret; | ||
| int i; | ||
| int j = 0; | ||
| int k; | ||
|
|
||
| if (sv == NULL) | ||
| { | ||
| ret = -EINVAL; | ||
| goto errout; | ||
| } | ||
|
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| for (k = 0; k < 2; k++) | ||
| { | ||
| psocks[k] = fs_heap_zalloc(sizeof(*psocks[k])); | ||
| if (psocks[k] == NULL) | ||
| { | ||
| ret = -ENOMEM; | ||
| goto errout_with_alloc; | ||
| } | ||
| } | ||
|
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| ret = psock_socketpair(domain, type, protocol, psocks); | ||
| if (ret < 0) | ||
| { | ||
| goto errout_with_alloc; | ||
| } | ||
|
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| if (type & SOCK_CLOEXEC) | ||
| { | ||
| oflags |= O_CLOEXEC; | ||
| } | ||
|
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| if (type & SOCK_NONBLOCK) | ||
| { | ||
| oflags |= O_NONBLOCK; | ||
| } | ||
|
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| /* Allocate a socket descriptor */ | ||
|
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| for (; j < 2; j++) | ||
| { | ||
| sv[j] = sockfd_allocate(psocks[j], oflags); | ||
| if (sv[j] < 0) | ||
| { | ||
| ret = sv[j]; | ||
| goto errout_with_psock; | ||
| } | ||
| } | ||
|
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||
| return OK; | ||
|
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| errout_with_psock: | ||
| for (i = 0; i < j; i++) | ||
| { | ||
| nx_close(sv[i]); | ||
| } | ||
|
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||
| for (i = j; i < k; i++) | ||
| { | ||
| psock_close(psocks[i]); | ||
| } | ||
|
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| errout_with_alloc: | ||
| for (i = j; i < k; i++) | ||
| { | ||
| fs_heap_free(psocks[i]); | ||
| } | ||
|
|
||
| errout: | ||
| set_errno(-ret); | ||
| return ERROR; | ||
| } |
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