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			105 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* ID for functions called via socketcall system call.
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|    Copyright (C) 1995-2017 Free Software Foundation, Inc.
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|    This file is part of the GNU C Library.
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| 
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|    The GNU C Library is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU Lesser General Public
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|    License as published by the Free Software Foundation; either
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|    version 2.1 of the License, or (at your option) any later version.
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| 
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|    The GNU C Library is distributed in the hope that it will be useful,
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|    but WITHOUT ANY WARRANTY; without even the implied warranty of
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|    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|    Lesser General Public License for more details.
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| 
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|    You should have received a copy of the GNU Lesser General Public
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|    License along with the GNU C Library; if not, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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| #ifndef _SYS_SOCKETCALL_H
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| #define _SYS_SOCKETCALL_H	1
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| 
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| /* Define unique numbers for the operations permitted on socket.  Linux
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|    uses a single system call for all these functions.  The relevant code
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|    file is /usr/include/linux/net.h.
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|    We cannot use an enum here because the values are used in assembler
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|    code.  */
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| 
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| #define SOCKOP_invalid		-1
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| #define SOCKOP_socket		1
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| #define SOCKOP_bind		2
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| #define SOCKOP_connect		3
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| #define SOCKOP_listen		4
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| #define SOCKOP_accept		5
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| #define SOCKOP_getsockname	6
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| #define SOCKOP_getpeername	7
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| #define SOCKOP_socketpair	8
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| #define SOCKOP_send		9
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| #define SOCKOP_recv		10
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| #define SOCKOP_sendto		11
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| #define SOCKOP_recvfrom		12
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| #define SOCKOP_shutdown		13
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| #define SOCKOP_setsockopt	14
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| #define SOCKOP_getsockopt	15
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| #define SOCKOP_sendmsg		16
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| #define SOCKOP_recvmsg		17
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| #define SOCKOP_accept4		18
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| #define SOCKOP_recvmmsg		19
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| #define SOCKOP_sendmmsg		20
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| 
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| #define __SOCKETCALL1(name, a1) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [1]) { (long int) (a1) }))
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| #define __SOCKETCALL2(name, a1, a2) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [2]) { (long int) (a1), (long int) (a2) }))
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| #define __SOCKETCALL3(name, a1, a2, a3) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [3]) { (long int) (a1), (long int) (a2), (long int) (a3) }))
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| #define __SOCKETCALL4(name, a1, a2, a3, a4) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [4]) { (long int) (a1), (long int) (a2), (long int) (a3), \
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|                        (long int) (a4) }))
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| #define __SOCKETCALL5(name, a1, a2, a3, a4, a5) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [5]) { (long int) (a1), (long int) (a2), (long int) (a3), \
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|                        (long int) (a4), (long int) (a5) }))
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| #define __SOCKETCALL6(name, a1, a2, a3, a4, a5, a6) \
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|   INLINE_SYSCALL (socketcall, 2, name, \
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|      ((long int [6]) { (long int) (a1), (long int) (a2), (long int) (a3), \
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|                        (long int) (a4), (long int) (a5), (long int) (a6) }))
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| 
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| #define __SOCKETCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n
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| #define __SOCKETCALL_NARGS(...) \
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|   __SOCKETCALL_NARGS_X (__VA_ARGS__,7,6,5,4,3,2,1,0,)
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| #define __SOCKETCALL_CONCAT_X(a,b)     a##b
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| #define __SOCKETCALL_CONCAT(a,b)       __SOCKETCALL_CONCAT_X (a, b)
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| #define __SOCKETCALL_DISP(b,...) \
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|   __SOCKETCALL_CONCAT (b,__SOCKETCALL_NARGS(__VA_ARGS__))(__VA_ARGS__)
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| 
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| #define __SOCKETCALL(...) __SOCKETCALL_DISP (__SOCKETCALL, __VA_ARGS__)
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| 
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| 
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| #define SOCKETCALL(name, args...)					\
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|   ({									\
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|     long int sc_ret = __SOCKETCALL (SOCKOP_##name, args);		\
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|     sc_ret;								\
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|   })
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| 
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| 
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| #if IS_IN (libc)
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| # define __pthread_enable_asynccancel  __libc_enable_asynccancel
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| # define __pthread_disable_asynccancel __libc_disable_asynccancel
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| #endif
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| 
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| #define SOCKETCALL_CANCEL(name, args...)				\
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|   ({									\
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|     int oldtype = LIBC_CANCEL_ASYNC ();					\
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|     long int sc_ret = __SOCKETCALL (SOCKOP_##name, args);		\
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|     LIBC_CANCEL_RESET (oldtype);					\
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|     sc_ret;								\
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|   })
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| 
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| 
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| #endif /* sys/socketcall.h */
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