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glibc  2.9
syscall.h
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00001 /* Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _SYSCALL_H
00020 #define _SYSCALL_H   1
00021 
00022 /* This file should list the numbers of the system the system knows.
00023    But instead of duplicating this we use the information available
00024    from the kernel sources.  */
00025 #ifdef _LIBC
00026 /* Since the kernel doesn't define macro names in a way usable for
00027    glibc, we preprocess this header, and use it during the glibc build
00028    process.  */
00029 # include <asm-unistd.h>
00030 #else
00031 # include <asm/unistd.h>
00032 #endif
00033 
00034 #ifndef _LIBC
00035 /* The Linux kernel header file defines macros `__NR_<name>', but some
00036    programs expect the traditional form `SYS_<name>'.  So in building libc
00037    we scan the kernel's list and produce <bits/syscall.h> with macros for
00038    all the `SYS_' names.  */
00039 # include <bits/syscall.h>
00040 #endif
00041 
00042 #endif