1 /* vi: set sw=4 ts=4: */
3 * some system calls possibly missing from libc
5 * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 /* Kernel headers before 2.1.mumble need this on the Alpha to get
29 #include <sys/syscall.h>
33 /* These syscalls are not included in very old glibc versions */
34 #if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
35 int delete_module(const char *name)
37 return(syscall(__NR_delete_module, name));
39 int get_kernel_syms(__ptr_t ks)
41 return(syscall(__NR_get_kernel_syms, ks));
44 /* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
45 * (for 2.2 and 2.4 kernels). Use the greatest common denominator,
46 * and let the kernel cope with whatever it gets. Its good at that. */
47 int init_module(void *first, void *second, void *third, void *fourth, void *fifth)
49 return(syscall(__NR_init_module, first, second, third, fourth, fifth));
52 int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
54 #ifndef __NR_query_module
55 #warning This kernel does not support the query_module syscall
56 #warning -> The query_module system call is being stubbed out...
57 bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
58 "BusyBox with a kernel supporting the query_module system call.\n");
62 return(syscall(__NR_query_module, name, which, buf, bufsize, ret));
66 /* Jump through hoops to fixup error return codes */
67 unsigned long create_module(const char *name, size_t size)
69 long ret = syscall(__NR_create_module, name, size);
71 if (ret == -1 && errno > 125) {