9 More Discussions You Might Find Interesting
1. Programming
Hi All,
I'm looking for JAVA code to create file in Linux with specific permission
File should be created and saved in Linux in this path \opt\sys\doc by Java with this permission 764
Anyone can help to provide this Java code (3 Replies)
Discussion started by: AbuAliiiiiiiiii
3 Replies
2. Linux
Hi
How can I write a Java program to execute Linux commands? What is the best approach:
Invoking the Linux shell within Java and executing commands
or, using the Java APIs to do the stuff. Since it is platform independent, it'll know itself what to do. We need not check which OS the Java... (1 Reply)
Discussion started by: Dorothy
1 Replies
3. Programming
Hello,
I have a project directory in /home/researcher
I have in my project/src three packages:A (contains the main class), B and C and I have 2 jar-files file1.jar file2.jar files in the project/my-jars
In Class A I import other classes from the other packages
I compiled as follows:... (4 Replies)
Discussion started by: chercheur857
4 Replies
4. Shell Programming and Scripting
Hi,
I want to remove the following code from Source files (or replace the code with empty.) from all the source files in given directory.
finally {
if (null != hibernateSession && hibernateSession.isOpen()) {
//hibernateSession.close();
}
}
It would be great if the script has... (2 Replies)
Discussion started by: hareeshram
2 Replies
5. Programming
My desired output is
run:
for this 1
for this 2
for this 3
for this 4
for this 5
for this 1,2
1->2
for this 2,3
2->3
for this 3,4
3->4
for this 4,5
4->5
for this 1,2,3
1->2,3 (2 Replies)
Discussion started by: vaibhavkorde
2 Replies
6. Android
In case you did not know, Android 2.1, Éclair, runs on the 2.6.29 Linux kernel. However, the user space it is built atop Dalvik, a Google-designed custom JVM (Java virtual machine).
This is pretty interesting, when you think about it. The core of Android is the linux kernel, and the standard... (5 Replies)
Discussion started by: Neo
5 Replies
7. UNIX for Advanced & Expert Users
Hi,
Need help in tuning JAVA on LINUX.
From http://www.trutek.com/index.php?id=173 I understand that on Linux operating system with 4GB memory, JVM can be run with maximum memory of 3800m. But I had no luck. Could someone help me in achieving on Red Hat Linux server.
Here is the details of... (5 Replies)
Discussion started by: crabbie_upk
5 Replies
8. UNIX for Dummies Questions & Answers
is it advisible to do Linux Programming in JAVA.. If so, whats the advantage over C++ or C.. Cud anyone also help me out by providing some links in this regard.. Would be highly appreciated.. (1 Reply)
Discussion started by: srikumar_cs
1 Replies
9. UNIX for Dummies Questions & Answers
DOes any1 know if the java.awt and javax.swing packages are
installed in Redhat Linux 9.0 or not??. I have compiled a simple Java program and ran it but the Java programs related to GUI are not working. Can any1 provide some Help?. (4 Replies)
Discussion started by: rahulrathod
4 Replies
getpid(2) System Calls Manual getpid(2)
NAME
getpid(), getpgid(), getpgrp(), getpgrp2(), getppid() - get process, process group and parent process ID.
SYNOPSIS
DESCRIPTION
These functions return process, process group and parent process IDs, as follows:
Process group ID of the specified process.
If pid is zero, the call applies to the calling process. Same result as
Process group ID of the calling process.
Process group ID of the specified process.
If pid is zero, the call applies to the calling process. Same result as
Process ID of the calling process.
Parent process ID of the calling process.
If the parent process is the initialization process (known as the call returns 1.
Security Restrictions
The system call is subject to compartmental restrictions. See compartments(5) for more information about compartmentalization on systems
that support that feature.
Compartmental restrictions can be overridden if the process possesses the privilege (PRIV_COMMALLOWED). Processes owned by the superuser
may not have this privilege. Processes owned by any user may have this privilege, depending on system configuration. See privileges(5)
for more information about privileged access on systems that support fine-grained privileges.
RETURN VALUE
The functions return the following values:
Successful completion.
n is a nonnegative process ID, as described above.
Failure:
and only. is set to indicate the error.
ERRORS
If or fails, is set to one of the following values:
[EPERM] The current process and pid are not in the same session (see setsid(2)).
[ESRCH] No process can be found corresponding to that specified by pid.
AUTHOR
and were developed by HP, AT&T, and the University of California, Berkeley.
SEE ALSO
exec(2), fork(2), setpgid(2), setsid(2), signal(5).
STANDARDS CONFORMANCE
getpid(2)