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
34 public class LinuxSystem {
35 private static Permission permission = new RuntimePermission("loadLibrary.*");
36
37 private static LinuxSystem instance = new LinuxSystem();
38
39 public static LinuxSystem getLinuxSystem() {
40 checkPermissions();
41 return instance;
42 }
43
44 private static void checkPermissions() {
45 SecurityManager security = System.getSecurityManager();
46 if (security != null) {
47 security.checkPermission(permission);
48 }
49 }
50
51 private LinuxSystem() {
52 }
53
54 public void loadLibrary() {
55 NativeLibLoader.loadLibrary("glass_monocle");
56 }
57
58 // stdlib.h
59 public native void setenv(String key, String value, boolean overwrite);
60
61 // fcntl.h
62
63 public static final int O_RDONLY = 0;
64 public static final int O_WRONLY = 1;
65 public static final int O_RDWR = 2;
66 public static final int O_NONBLOCK = 00004000;
67
68 public native long open(String path, int flags);
69
70 // unistd.h
71 public native int close(long fd);
72 public native long lseek(long fd, long offset, int whence);
73 public native long write(long fd, ByteBuffer buf, int position, int limit);
74 public native long read(long fd, ByteBuffer buf, int position, int limit);
75
76 public static final int SEEK_SET = 0;
77
78 // input.h
79
80 static class InputAbsInfo extends C.Structure {
81 @Override
82 public native int sizeof();
83 static native int getValue(long p);
84 static native int getMinimum(long p);
85 static native int getMaximum(long p);
86 static native int getFuzz(long p);
87 static native int getFlat(long p);
88 static native int getResolution(long p);
89 }
90
91 native int EVIOCGABS(int type);
92
93 // fb.h
94
95 public static final int FBIOGET_VSCREENINFO = 0x4600;
96 public static final int FBIOPUT_VSCREENINFO = 0x4601;
97 public static final int FBIOPAN_DISPLAY = 0x4606;
98 public static final int FBIOBLANK = 0x4611;
99
100 public static final int FB_BLANK_UNBLANK = 0;
101 public static final int FB_ACTIVATE_NOW = 0;
102 public static final int FB_ACTIVATE_VBL = 16;
103
104 public static class FbVarScreenInfo extends C.Structure {
105 public FbVarScreenInfo() {
106 checkPermissions();
107 }
108 @Override
109 public native int sizeof();
110 public native int getBitsPerPixel(long p);
111 public native int getXRes(long p);
112 public native int getYRes(long p);
113 public native int getXResVirtual(long p);
114 public native int getYResVirtual(long p);
115 public native int getOffsetX(long p);
116 public native int getOffsetY(long p);
117 public native void setRes(long p, int x, int y);
118 public native void setVirtualRes(long p, int x, int y);
119 public native void setOffset(long p, int x, int y);
120 public native void setActivate(long p, int activate);
121 public native void setBitsPerPixel(long p, int bpp);
122 public native void setRed(long p, int length, int offset);
123 public native void setGreen(long p, int length, int offset);
124 public native void setBlue(long p, int length, int offset);
125 public native void setTransp(long p, int length, int offset);
126 }
127
128 // ioctl.h
129
130 public native int ioctl(long fd, int request, long data);
131 public native int IOW(int type, int number, int size);
132 public native int IOR(int type, int number, int size);
133 public native int IOWR(int type, int number, int size);
134
135 // stropts.h
136 private static int __SID = ('S' << 8);
137 public static int I_FLUSH = __SID | 5;
138
139 public static int FLUSHRW = 0x03;
140
141 // errno.h
142 public native int errno();
143
144 public static final int ENXIO = 6;
145 public static final int EAGAIN = 11;
146
147 // string.h
148 public native String strerror(int errnum);
149
150 // dlfcn.h
151 public native long dlopen(String filename, int flag);
152 public native String dlerror();
153 public native long dlsym(long handle, String symbol);
154 public native int dlclose(long handle);
155
156 // mman.h
157 public static final long PROT_READ = 0x1l;
158 public static final long PROT_WRITE = 0x2l;
159 public static final long MAP_SHARED = 0x1l;
160 public static final long MAP_FAILED = 0xffffffffl;
161 public native long mmap(long addr, long length, long prot, long flags,
162 long fd, long offset);
163 public native int munmap(long addr, long length);
164
165 public String getErrorMessage() {
166 return strerror(errno());
167 }
168
169 // stat.h
170 public static int S_IRWXU = 00700;
171
172 public native int mkfifo(String pathname, int mode);
173
174 }