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Subjectpatch to add /proc/sys/kernel/java-{interpreter,appletviewer}
Date
This patch against 1.3.100 makes the paths to the Java interpreter and
appletviewer configurable through sysctl.

Documentation/java.txt has been updated to reflect the change.

Comments welcome, etc.

Mike
Index: Documentation/java.txt
===================================================================
RCS file: /devel/linux/Documentation/java.txt,v
retrieving revision 1.1.1.1
diff -r1.1.1.1 java.txt
1,2c1,2
< JAVA Binary Kernel Support for Linux v1.01
< ------------------------------------------
---
> Java(tm) Binary Kernel Support for Linux v1.01
> ----------------------------------------------
17,19c17,25
< directory of /usr/local/java, then you will need to edit the
< kernel's fs/binfmt_java.c file and make the needed change to the
< _PATH_JAVA definition at the top of that file.
---
> directory of /usr/local/java, then you will need to tell the
> kernel where you put the Java interpreter.
> There are two ways to do this.
> One, edit fs/binfmt_java.c file and make the needed change to
> the _PATH_JAVA definition at the top of that file.
> Two, as root, issue the command:
> echo "/path/to/java/interpreter" > /proc/sys/kernel/java-interpreter
> (Currently, this does not work if you're using a module for
> Java support.)
33d38
<
54c59
< ./HellowWorld.class
---
> ./HelloWorld.class
78,80c83,91
< directory of /usr/local/java, then you will need to edit the
< kernel's fs/binfmt_java.c file and make the needed change to the
< _PATH_APPLET definition at the top of that file.
---
> directory of /usr/local/java, then you will need to tell the
> kernel where you put the Java appletviewer.
> There are two ways to do this.
> One, edit fs/binfmt_java.c file and make the needed change to
> the _PATH_APPLET definition at the top of that file.
> Two, as root, issue the command:
> echo "/path/to/java/appletviewer" > /proc/sys/kernel/java-appletviewer
> (Currently, this does not work if you're using a module for
> Java support.)
89d99
<
91a102,103
> (/proc/sys/kernel/java-* support by Mike Shaver (shaver@ingenia.com))
>
Index: fs/binfmt_java.c
===================================================================
RCS file: /devel/linux/fs/binfmt_java.c,v
retrieving revision 1.1.1.1
diff -r1.1.1.1 binfmt_java.c
18a19,21
> char binfmt_java_interpreter[65] = _PATH_JAVA;
> char binfmt_java_appletviewer[65] = _PATH_APPLET;
>
50c53
< strcpy (bprm->buf, _PATH_JAVA);
---
> strcpy (bprm->buf, binfmt_java_interpreter);
105c108
< strcpy (bprm->buf, _PATH_APPLET);
---
> strcpy (bprm->buf, binfmt_java_appletviewer);
110c113
< strcpy (bprm->buf, _PATH_BSHELL);
---
> strcpy (bprm->buf, _PATH_BASH);
Index: include/linux/sysctl.h
===================================================================
RCS file: /devel/linux/include/linux/sysctl.h,v
retrieving revision 1.1.1.1
diff -r1.1.1.1 sysctl.h
61a62,63
> #define KERN_JAVA_INTERPRETER 19 /* path to Java(tm) interpreter */
> #define KERN_JAVA_APPLETVIEWER 20 /* path to Java(tm) appletviewer */
Index: kernel/sysctl.c
===================================================================
RCS file: /devel/linux/kernel/sysctl.c,v
retrieving revision 1.1.1.1
diff -r1.1.1.1 sysctl.c
7a8
> * Added kernel/java-{interpreter,appletviewer}, 96/5/10, Mike Shaver.
99a101,102
> extern char binfmt_java_interpreter[], binfmt_java_appletviewer[];
>
140a144,149
> #endif
> #ifdef CONFIG_BINFMT_JAVA
> {KERN_JAVA_INTERPRETER, "java-interpreter", binfmt_java_interpreter,
> 64, 0644, NULL, &proc_dostring, &sysctl_string },
> {KERN_JAVA_APPLETVIEWER, "java-appletviewer", binfmt_java_appletviewer,
> 64, 0644, NULL, &proc_dostring, &sysctl_string },



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