51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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|  * Copyright (c) 2021 OceanBase
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|  * OceanBase CE is licensed under Mulan PubL v2.
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|  * You can use this software according to the terms and conditions of the Mulan PubL v2.
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|  * You may obtain a copy of Mulan PubL v2 at:
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|  *          http://license.coscl.org.cn/MulanPubL-2.0
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|  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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|  * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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|  * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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|  * See the Mulan PubL v2 for more details.
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|  */
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| 
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| #include "ussl-deps.h"
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| #include <dlfcn.h>
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| #include <fcntl.h>
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| #include <stdlib.h>
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| #include <sys/socket.h>
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| #include <sys/stat.h>
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| 
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| static __attribute__((constructor(101))) void init_libc_func_ptr()
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| {
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| #define INIT_LIBC_FUNC_PTR(fname) libc_##fname = (typeof(libc_##fname))dlsym(RTLD_NEXT, #fname)
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|   INIT_LIBC_FUNC_PTR(setsockopt);
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|   INIT_LIBC_FUNC_PTR(listen);
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|   INIT_LIBC_FUNC_PTR(connect);
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|   INIT_LIBC_FUNC_PTR(accept);
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|   INIT_LIBC_FUNC_PTR(accept4);
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|   INIT_LIBC_FUNC_PTR(epoll_ctl);
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|   INIT_LIBC_FUNC_PTR(read);
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|   INIT_LIBC_FUNC_PTR(write);
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|   INIT_LIBC_FUNC_PTR(close);
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|   INIT_LIBC_FUNC_PTR(writev);
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| }
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| 
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| int make_socket_non_blocking(int fd)
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| {
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|   int ret = 0, flags = 0;
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|   flags = fcntl(fd, F_GETFL, 0);
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|   if (-1 == flags) {
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|     ussl_log_error("call fcntl with F_GETFL failed, errno:%d", errno);
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|     ret = -1;
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|   } else {
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|     flags |= O_NONBLOCK;
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|     if (-1 == fcntl(fd, F_SETFL, flags)) {
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|       ussl_log_error("call fcntl with F_SETFL failed, errno:%d", errno);
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|       ret = -1;
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|     }
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|   }
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|   return ret;
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| }
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