66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <errno.h>
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| #include <fcntl.h>
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| #include <stdio.h>
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| #include <unistd.h>
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| #include <string.h>
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| #include <sys/ioctl.h>
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| #include <sys/socket.h>
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| #include <netinet/in.h>
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| 
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| #include <net/netlib.h>
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| #include <net/gen/in.h>
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| #include <net/gen/tcp.h>
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| #include <net/gen/tcp_io.h>
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| #include <net/gen/udp.h>
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| #include <net/gen/udp_io.h>
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| 
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| #define DEBUG 0
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| 
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| static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,
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| 	socklen_t *_RESTRICT address_len);
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| 
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| int accept(int socket, struct sockaddr *_RESTRICT address,
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| 	socklen_t *_RESTRICT address_len)
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| {
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| 	int r;
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| 
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| 	r= _tcp_accept(socket, address, address_len);
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| 	return r;
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| 
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| #if DEBUG
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| 	fprintf(stderr, "accept: not implemented for fd %d\n", socket);
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| #endif
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| 	errno= ENOSYS;
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| 	return -1;
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| }
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| 
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| static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,
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| 	socklen_t *_RESTRICT address_len)
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| {
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| 	int r, s1, t_errno;
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| 	tcp_cookie_t cookie;
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| 
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| 	s1= open(TCP_DEVICE, O_RDWR);
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| 	if (s1 == -1)
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| 		return s1;
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| 	r= ioctl(s1, NWIOGTCPCOOKIE, &cookie);
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| 	if (r == -1)
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| 	{
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| 		t_errno= errno;
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| 		close(s1);
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| 		errno= t_errno;
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| 		return -1;
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| 	}
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| 	r= ioctl(socket, NWIOTCPACCEPTTO, &cookie);
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| 	if (r == -1)
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| 	{
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| 		t_errno= errno;
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| 		close(s1);
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| 		errno= t_errno;
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| 		return -1;
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| 	}
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| 	if (address != NULL)
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| 		getpeername(s1, address, address_len);
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| 	return s1;
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| }
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