| /* ID for functions called via socketcall system call. |
| Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _SYS_SOCKETCALL_H |
| #define _SYS_SOCKETCALL_H 1 |
| |
| /* Define unique numbers for the operations permitted on socket. Linux |
| uses a single system call for all these functions. The relevant code |
| file is /usr/include/linux/net.h. |
| We cannot use an enum here because the values are used in assembler |
| code. */ |
| |
| #define SOCKOP_invalid -1 |
| #define SOCKOP_socket 1 |
| #define SOCKOP_bind 2 |
| #define SOCKOP_connect 3 |
| #define SOCKOP_listen 4 |
| #define SOCKOP_accept 5 |
| #define SOCKOP_getsockname 6 |
| #define SOCKOP_getpeername 7 |
| #define SOCKOP_socketpair 8 |
| #define SOCKOP_send 9 |
| #define SOCKOP_recv 10 |
| #define SOCKOP_sendto 11 |
| #define SOCKOP_recvfrom 12 |
| #define SOCKOP_shutdown 13 |
| #define SOCKOP_setsockopt 14 |
| #define SOCKOP_getsockopt 15 |
| #define SOCKOP_sendmsg 16 |
| #define SOCKOP_recvmsg 17 |
| #define SOCKOP_accept4 18 |
| #define SOCKOP_recvmmsg 19 |
| #define SOCKOP_sendmmsg 20 |
| |
| #define __SOCKETCALL1(name, a1) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [1]) { (long int) (a1) })) |
| #define __SOCKETCALL2(name, a1, a2) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [2]) { (long int) (a1), (long int) (a2) })) |
| #define __SOCKETCALL3(name, a1, a2, a3) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [3]) { (long int) (a1), (long int) (a2), (long int) (a3) })) |
| #define __SOCKETCALL4(name, a1, a2, a3, a4) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [4]) { (long int) (a1), (long int) (a2), (long int) (a3), \ |
| (long int) (a4) })) |
| #define __SOCKETCALL5(name, a1, a2, a3, a4, a5) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [5]) { (long int) (a1), (long int) (a2), (long int) (a3), \ |
| (long int) (a4), (long int) (a5) })) |
| #define __SOCKETCALL6(name, a1, a2, a3, a4, a5, a6) \ |
| INLINE_SYSCALL (socketcall, 2, name, \ |
| ((long int [6]) { (long int) (a1), (long int) (a2), (long int) (a3), \ |
| (long int) (a4), (long int) (a5), (long int) (a6) })) |
| |
| #define __SOCKETCALL_NARGS_X(a,b,c,d,e,f,g,h,n,...) n |
| #define __SOCKETCALL_NARGS(...) \ |
| __SOCKETCALL_NARGS_X (__VA_ARGS__,7,6,5,4,3,2,1,0,) |
| #define __SOCKETCALL_CONCAT_X(a,b) a##b |
| #define __SOCKETCALL_CONCAT(a,b) __SOCKETCALL_CONCAT_X (a, b) |
| #define __SOCKETCALL_DISP(b,...) \ |
| __SOCKETCALL_CONCAT (b,__SOCKETCALL_NARGS(__VA_ARGS__))(__VA_ARGS__) |
| |
| #define __SOCKETCALL(...) __SOCKETCALL_DISP (__SOCKETCALL, __VA_ARGS__) |
| |
| |
| #define SOCKETCALL(name, args...) \ |
| ({ \ |
| long int sc_ret = __SOCKETCALL (SOCKOP_##name, args); \ |
| sc_ret; \ |
| }) |
| |
| |
| #if IS_IN (libc) |
| # define __pthread_enable_asynccancel __libc_enable_asynccancel |
| # define __pthread_disable_asynccancel __libc_disable_asynccancel |
| #endif |
| |
| #define SOCKETCALL_CANCEL(name, args...) \ |
| ({ \ |
| int oldtype = LIBC_CANCEL_ASYNC (); \ |
| long int sc_ret = __SOCKETCALL (SOCKOP_##name, args); \ |
| LIBC_CANCEL_RESET (oldtype); \ |
| sc_ret; \ |
| }) |
| |
| |
| #endif /* sys/socketcall.h */ |