1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.glass.ui.monocle.linux;
27
28 import com.sun.glass.ui.monocle.util.C;
29 import com.sun.glass.utils.NativeLibLoader;
30
31 import java.nio.ByteBuffer;
32 import java.security.Permission;
33 import com.sun.glass.utils.NativeLibLoader;
34
35 public class LinuxSystem {
36
37 private static Permission permission = new RuntimePermission("loadLibrary.*");
38
39 private static LinuxSystem instance = new LinuxSystem();
40
41 public static LinuxSystem getLinuxSystem() {
42 checkPermissions();
43 return instance;
44 }
45
46 private static void checkPermissions() {
47 SecurityManager security = System.getSecurityManager();
48 if (security != null) {
49 security.checkPermission(permission);
50 }
51 }
52
53 private LinuxSystem() {
54 loadLibrary();
55 }
56
57 public void loadLibrary() {
58 NativeLibLoader.loadLibrary("glass_monocle");
59 }
60
61 // dlfcn.h
62 public static final int RTLD_LAZY = 0x00001;
63 public static final int RTLD_GLOBAL = 0x00100;
64
65
66 // stdlib.h
67 public native void setenv(String key, String value, boolean overwrite);
68
69 // fcntl.h
70
71 public static final int O_RDONLY = 0;
72 public static final int O_WRONLY = 1;
73 public static final int O_RDWR = 2;
74 public static final int O_NONBLOCK = 00004000;
75
76 public native long open(String path, int flags);
77
78 // unistd.h
79 public native int close(long fd);
80 public native long lseek(long fd, long offset, int whence);
81 public native long write(long fd, ByteBuffer buf, int position, int limit);
82 public native long read(long fd, ByteBuffer buf, int position, int limit);
83
84 public static final int SEEK_SET = 0;
85
86 // input.h
87
88 static class InputAbsInfo extends C.Structure {
89 @Override
90 public native int sizeof();
91 static native int getValue(long p);
92 static native int getMinimum(long p);
93 static native int getMaximum(long p);
94 static native int getFuzz(long p);
95 static native int getFlat(long p);
96 static native int getResolution(long p);
97 }
98
99 native int EVIOCGABS(int type);
100
101 // fb.h
102
103 public static final int FBIOGET_VSCREENINFO = 0x4600;
104 public static final int FBIOPUT_VSCREENINFO = 0x4601;
105 public static final int FBIOPAN_DISPLAY = 0x4606;
106 public static final int FBIOBLANK = 0x4611;
107
108 public static final int FB_BLANK_UNBLANK = 0;
109 public static final int FB_ACTIVATE_NOW = 0;
110 public static final int FB_ACTIVATE_VBL = 16;
111
112 public static class FbVarScreenInfo extends C.Structure {
113 public FbVarScreenInfo() {
114 checkPermissions();
115 }
116 @Override
117 public native int sizeof();
118 public native int getBitsPerPixel(long p);
119 public native int getXRes(long p);
120 public native int getYRes(long p);
121 public native int getXResVirtual(long p);
122 public native int getYResVirtual(long p);
123 public native int getOffsetX(long p);
124 public native int getOffsetY(long p);
125 public native void setRes(long p, int x, int y);
126 public native void setVirtualRes(long p, int x, int y);
127 public native void setOffset(long p, int x, int y);
128 public native void setActivate(long p, int activate);
129 public native void setBitsPerPixel(long p, int bpp);
130 public native void setRed(long p, int length, int offset);
131 public native void setGreen(long p, int length, int offset);
132 public native void setBlue(long p, int length, int offset);
133 public native void setTransp(long p, int length, int offset);
134 }
135
136 // ioctl.h
137
138 public native int ioctl(long fd, int request, long data);
139 public native int IOW(int type, int number, int size);
140 public native int IOR(int type, int number, int size);
141 public native int IOWR(int type, int number, int size);
142
143 // stropts.h
144 private static int __SID = ('S' << 8);
145 public static int I_FLUSH = __SID | 5;
146
147 public static int FLUSHRW = 0x03;
148
149 // errno.h
150 public native int errno();
151
152 public static final int ENXIO = 6;
153 public static final int EAGAIN = 11;
154
155 // string.h
156 public native String strerror(int errnum);
157
158 // dlfcn.h
159 public native long dlopen(String filename, int flag);
160 public native String dlerror();
161 public native long dlsym(long handle, String symbol);
162 public native int dlclose(long handle);
163
164 // mman.h
165 public static final long PROT_READ = 0x1l;
166 public static final long PROT_WRITE = 0x2l;
167 public static final long MAP_SHARED = 0x1l;
168 public static final long MAP_FAILED = 0xffffffffl;
169 public native long mmap(long addr, long length, long prot, long flags,
170 long fd, long offset);
171 public native int munmap(long addr, long length);
172
173 public String getErrorMessage() {
174 return strerror(errno());
175 }
176
177 // stat.h
178 public static int S_IRWXU = 00700;
179
180 public native int mkfifo(String pathname, int mode);
181
182 }