102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
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/* ID for functions called via socketcall system call.
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Copyright (C) 1995-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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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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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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<https://www.gnu.org/licenses/>. */
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#ifndef _SYS_SOCKETCALL_H
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#define _SYS_SOCKETCALL_H 1
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#include <sysdep.h>
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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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#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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#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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#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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#define __SOCKETCALL(...) __SOCKETCALL_DISP (__SOCKETCALL, __VA_ARGS__)
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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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#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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#endif /* sys/socketcall.h */
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