aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--libbb/Makefile.in4
-rw-r--r--libbb/module_syscalls.c116
-rw-r--r--libbb/syscalls.c113
3 files changed, 2 insertions, 231 deletions
diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 44c7a9858..dae3c1213 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -32,14 +32,14 @@ LIBBB_SRC:= \
32 hash_fd.c herror_msg.c herror_msg_and_die.c \ 32 hash_fd.c herror_msg.c herror_msg_and_die.c \
33 human_readable.c inet_common.c inode_hash.c interface.c isdirectory.c \ 33 human_readable.c inet_common.c inode_hash.c interface.c isdirectory.c \
34 kernel_version.c last_char_is.c llist_add_to.c login.c loop.c \ 34 kernel_version.c last_char_is.c llist_add_to.c login.c loop.c \
35 make_directory.c mode_string.c module_syscalls.c mtab.c mtab_file.c \ 35 make_directory.c mode_string.c mtab.c mtab_file.c \
36 my_getgrgid.c my_getgrnam.c my_getpwnam.c my_getug.c\ 36 my_getgrgid.c my_getgrnam.c my_getpwnam.c my_getug.c\
37 my_getpwuid.c obscure.c parse_mode.c parse_number.c perror_msg.c \ 37 my_getpwuid.c obscure.c parse_mode.c parse_number.c perror_msg.c \
38 perror_msg_and_die.c print_file.c get_console.c \ 38 perror_msg_and_die.c print_file.c get_console.c \
39 process_escape_sequence.c procps.c pwd2spwd.c pw_encrypt.c qmodule.c \ 39 process_escape_sequence.c procps.c pwd2spwd.c pw_encrypt.c qmodule.c \
40 read_package_field.c recursive_action.c remove_file.c \ 40 read_package_field.c recursive_action.c remove_file.c \
41 restricted_shell.c run_parts.c run_shell.c safe_read.c safe_write.c \ 41 restricted_shell.c run_parts.c run_shell.c safe_read.c safe_write.c \
42 safe_strncpy.c setup_environment.c simplify_path.c syscalls.c \ 42 safe_strncpy.c setup_environment.c simplify_path.c \
43 trim.c u_signal_names.c vdprintf.c verror_msg.c \ 43 trim.c u_signal_names.c vdprintf.c verror_msg.c \
44 vherror_msg.c vperror_msg.c wfopen.c xconnect.c xgetcwd.c \ 44 vherror_msg.c vperror_msg.c wfopen.c xconnect.c xgetcwd.c \
45 xgethostbyname.c xgethostbyname2.c xreadlink.c xregcomp.c xgetlarg.c \ 45 xgethostbyname.c xgethostbyname2.c xreadlink.c xregcomp.c xgetlarg.c \
diff --git a/libbb/module_syscalls.c b/libbb/module_syscalls.c
deleted file mode 100644
index a2ff5284a..000000000
--- a/libbb/module_syscalls.c
+++ /dev/null
@@ -1,116 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * some system calls possibly missing from libc
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
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.
11 *
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.
16 *
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
20 *
21 */
22
23#include <stdio.h>
24#include <errno.h>
25#include <unistd.h>
26#include <sys/syscall.h>
27#include "libbb.h"
28
29/* uClibc always supplies (possibly ENOSYS) versions of these functions. */
30#ifndef __UCLIBC__
31
32/* These syscalls are not included in very old glibc versions */
33int delete_module(const char *name)
34{
35#ifndef __NR_delete_module
36#warning This kernel does not support the delete_module syscall
37#warning -> The delete_module system call is being stubbed out...
38 errno=ENOSYS;
39 return -1;
40#else
41 return(syscall(__NR_delete_module, name));
42#endif
43}
44
45int get_kernel_syms(__ptr_t ks)
46{
47#ifndef __NR_get_kernel_syms
48#warning This kernel does not support the get_kernel_syms syscall
49#warning -> The get_kernel_syms system call is being stubbed out...
50 errno=ENOSYS;
51 return -1;
52#else
53 return(syscall(__NR_get_kernel_syms, ks));
54#endif
55}
56
57/* This may have 5 arguments (for old 2.0 kernels) or 2 arguments
58 * (for 2.2 and 2.4 kernels). Use the greatest common denominator,
59 * and let the kernel cope with whatever it gets. Its good at that. */
60int init_module(void *first, void *second, void *third, void *fourth, void *fifth)
61{
62#ifndef __NR_init_module
63#warning This kernel does not support the init_module syscall
64#warning -> The init_module system call is being stubbed out...
65 errno=ENOSYS;
66 return -1;
67#else
68 return(syscall(__NR_init_module, first, second, third, fourth, fifth));
69#endif
70}
71
72int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret)
73{
74#ifndef __NR_query_module
75#warning This kernel does not support the query_module syscall
76#warning -> The query_module system call is being stubbed out...
77 bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
78 "BusyBox with a kernel supporting the query_module system call.\n");
79 errno=ENOSYS;
80 return -1;
81#else
82 return(syscall(__NR_query_module, name, which, buf, bufsize, ret));
83#endif
84}
85
86/* Jump through hoops to fixup error return codes */
87unsigned long create_module(const char *name, size_t size)
88{
89#ifndef __NR_create_module
90#warning This kernel does not support the create_module syscall
91#warning -> The create_module system call is being stubbed out...
92 errno=ENOSYS;
93 return -1;
94#else
95 long ret = syscall(__NR_create_module, name, size);
96
97 if (ret == -1 && errno > 125) {
98 ret = -errno;
99 errno = 0;
100 }
101 return ret;
102#endif
103}
104
105
106#endif /* __UCLIBC__ */
107
108/* END CODE */
109/*
110Local Variables:
111c-file-style: "linux"
112c-basic-offset: 4
113tab-width: 4
114End:
115*/
116
diff --git a/libbb/syscalls.c b/libbb/syscalls.c
deleted file mode 100644
index a90f5de2b..000000000
--- a/libbb/syscalls.c
+++ /dev/null
@@ -1,113 +0,0 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * some system calls possibly missing from libc
4 *
5 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
6 *
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.
11 *
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.
16 *
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
20 *
21 */
22
23#include <stdio.h>
24#include <errno.h>
25#include <unistd.h>
26/* Kernel headers before 2.1.mumble need this on the Alpha to get
27 _syscall* defined. */
28#define __LIBRARY__
29#include <sys/syscall.h>
30#include "libbb.h"
31
32int sysfs(int option, unsigned int fs_index, char * buf)
33{
34#ifndef __NR_sysfs
35#warning "This kernel does not support the sysfs syscall"
36#warning "-> The sysfs system call is being stubbed out..."
37 bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
38 "BusyBox with a kernel supporting the sysfs system call.\n");
39 errno = ENOSYS;
40 return -1;
41#else
42 return(syscall(__NR_sysfs, option, fs_index, buf));
43#endif
44}
45
46int pivot_root(const char * new_root,const char * put_old)
47{
48#ifndef __NR_pivot_root
49#warning This kernel does not support the pivot_root syscall
50#warning -> The pivot_root system call is being stubbed out...
51 /* BusyBox was compiled against a kernel that did not support
52 * the pivot_root system call. To make this application work,
53 * you will need to recompile with a kernel supporting the
54 * pivot_root system call.
55 */
56 bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
57 "BusyBox with a kernel supporting the pivot_root system call.\n");
58 errno = ENOSYS;
59 return -1;
60#else
61 return(syscall(__NR_pivot_root, new_root, put_old));
62#endif /* __NR_pivot_root */
63}
64
65
66/* These syscalls are not included in ancient glibc versions,
67 so we have to define them ourselves, whee ! */
68#if ((__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1))
69
70int bdflush(int func, int data)
71{
72 return(syscall(__NR_bdflush, func, data));
73}
74
75#ifndef __alpha__
76# define __NR_klogctl __NR_syslog
77int klogctl(int type, char *b, int len)
78{
79 return(syscall(__NR_klogctl, type, b, len));
80}
81#endif /* __alpha__ */
82
83
84int umount2(const char * special_file, int flags)
85{
86#ifndef __NR_umount2
87#warning "This kernel does not support the umount2 syscall"
88#warning "-> The umount2 system call is being stubbed out..."
89 /* BusyBox was compiled against a kernel that did not support
90 * the umount2 system call. To make this application work,
91 * you will need to recompile with a kernel supporting the
92 * umount2 system call.
93 */
94 bb_error_msg("\n\nTo make this application work, you will need to recompile\n"
95 "BusyBox with a kernel supporting the umount2 system call.\n");
96 errno = ENOSYS;
97 return -1;
98#else
99 return(syscall(__NR_umount2, special_file, flags));
100#endif /* __NR_umount2 */
101}
102
103#endif /* old glibc check */
104
105
106/* END CODE */
107/*
108Local Variables:
109c-file-style: "linux"
110c-basic-offset: 4
111tab-width: 4
112End:
113*/
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-25 20:58:17 +0000