1 /* Copyright (C) 1995 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
20 #include <sys/socketcall.h>
24 /* The socket-oriented system calls are handled unusally in Linux.
25 They are all gated through the single `socketcall' system call number.
26 `socketcall' takes two arguments: the first is the subcode, specifying
27 which socket function is being called; and the second is a pointer to
28 the arguments to the specific function.
30 The .S files for the other calls just #define socket and #include this. */
37 movl $SYS_socketcall, %eax /* System call number in %eax. */
39 /* Use ## so `socket' is a separate token that might be #define'd. */
40 movl $SYS_##socket, %ebx /* Subcode is first arg to syscall. */
41 lea 8(%esp), %ecx /* Address of args is 2nd arg. */
43 /* Do the system call trap. */
46 /* Restore registers. */
49 /* %eax is < 0 if there was an error. */
51 jl JUMPTARGET(syscall_error)
53 /* Successful; return the syscall's value. */