/* vi: set sw=4 ts=4: */ /* * some system calls possibly missing from libc * * Copyright (C) 1999,2000,2001 by Lineo, inc. * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <stdio.h> #include <errno.h> #include <unistd.h> /* Kernel headers before 2.1.mumble need this on the Alpha to get _syscall* defined. */ #define __LIBRARY__ #include <sys/syscall.h> #ifndef __UCLIBC__ #include <asm/unistd.h> #endif #include "libbb.h" #if __GNU_LIBRARY__ < 5 /* These syscalls are not included as part of libc5 */ _syscall1(int, delete_module, const char *, name); _syscall1(int, get_kernel_syms, __ptr_t, ks); /* This may have 5 arguments (for old 2.0 kernels) or 2 arguments * (for 2.2 and 2.4 kernels). Use the greatest common denominator, * and let the kernel cope with whatever it gets. Its good at that. */ _syscall5(int, init_module, void *, first, void *, second, void *, third, void *, fourth, void *, fifth); #ifndef __NR_query_module #warning This kernel does not support the query_module syscall #warning -> The query_module system call is being stubbed out... int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret) { fprintf(stderr, "\n\nTo make this application work, you will need to recompile\n"); fprintf(stderr, "with a kernel supporting the query_module system call. -Erik\n\n"); errno=ENOSYS; return -1; } #else _syscall5(int, query_module, const char *, name, int, which, void *, buf, size_t, bufsize, size_t*, ret); #endif /* Jump through hoops to fixup error return codes */ #define __NR___create_module __NR_create_module static inline _syscall2(long, __create_module, const char *, name, size_t, size) unsigned long create_module(const char *name, size_t size) { long ret = __create_module(name, size); if (ret == -1 && errno > 125) { ret = -errno; errno = 0; } return ret; } #endif /* __GNU_LIBRARY__ < 5 */ /* END CODE */ /* Local Variables: c-file-style: "linux" c-basic-offset: 4 tab-width: 4 End: */