Sponsored Content
Top Forums Programming Beginners question about fork Post 302375149 by Corona688 on Thursday 26th of November 2009 04:12:36 PM
Old 11-26-2009
Quote:
Originally Posted by edgarvm
however the entire process of daemon will be forked
Forking is actually a fairly efficient way to create a process. Nearly all the memory of the old process can be shared or at least copy-on-write.
 

10 More Discussions You Might Find Interesting

1. Programming

simple fork question

When executing this simple program: #include <unistd.h> void main() { int f; printf("\n Parent procces ID=%d\n",getpid()); f=fork(); if(f==0) { printf("\n Child process ID=%d father=%d\n",getpid(),getppid()); } ... (2 Replies)
Discussion started by: bb666
2 Replies

2. Shell Programming and Scripting

awk - Beginners Question

I have my inputfile in the following format : From:sdhfhg dsfhsdjfjdsfh dsfjdjshjsd djfhsdjfjsdhjds Error Description <aa.aa.aa.aa.aa.aa> From:ksljfsdhfjh djfdsjkf sdjwoquk dsfsdfj Error Description <dd.dd.dd.dd.dd> I want to read the lines from tag 'From:' thrul <aa.aa.aa.aa.aa.aa>... (1 Reply)
Discussion started by: Amruta Pitkar
1 Replies

3. Programming

A small question about fork()

Hello experts, I am using fork() in my code but I am confused which output comes first child or parent? I did the following code .My book shows parent first but my linux shows child first.Can anyone tell me why? #include <stdio.h> int main(){ int pid; printf("I am original process with pid... (5 Replies)
Discussion started by: mlhazan
5 Replies

4. Programming

Question About Multi-Processed Applications... fork()

Assume we have an application built on *nix that uses fork()...then the processes procedure is going to act as follow: X is considered a parent process (first click on application) Y is considered a child process of X (second click on application) Z is considered a child process of Y (third... (6 Replies)
Discussion started by: f.ben.isaac
6 Replies

5. Shell Programming and Scripting

awk beginners question

hi, i start using awk and have a very basic problem. here's my code: #! /usr/bin/awk -f # 2010, scz # { $1 == "test" { print $2 } } this works on the command line but not as "program" - what is the difference between awk programs on the command line and executing awk... (3 Replies)
Discussion started by: svencz
3 Replies

6. Programming

multiple fork() question

I writing a program that forks three times but only on the parent process. The three children processes then produces output in order. 1, 2, 3. I am confused on how to do this. I have tried multiple if and else if statements but the output does not come out right. How should I go about doing this? (1 Reply)
Discussion started by: TWhitt24
1 Replies

7. Programming

Newbie question on exec,fork, wait,pipe C

Hello everybody.I want to make clear that i am not going to ask from anybody to build my asignement but i have a big problem. I can't seem to find anywhere ONE good example on C about what i am trying to do:wall:.I think it is simple. All i ask is one example, even a link is fine. So, i want to... (1 Reply)
Discussion started by: Cuervo
1 Replies

8. Programming

question about fork

i'm experimenting fork function and i found this code #include <stdio.h> #include <sys/stat.h> #include <sys/types.h> #include <wait.h> #include <fcntl.h> #include <unistd.h> int main(void) { int fd; pid_t p; p = fork(); fork(); if (p>0) { fork();} fork(); fork();... (6 Replies)
Discussion started by: blob84
6 Replies

9. Programming

Linux fork, execv, wait question

Hi All, I have a program for class that needs to do the following: 1. Print the directory entries from the current directory using ncurses 2. Provide a prompt next to each directory entry and allow the user to enter commands that may or may not be about the file 3. Execute those commands in... (1 Reply)
Discussion started by: afulldevnull
1 Replies

10. UNIX for Beginners Questions & Answers

Question about global environment variables & fork() exec()

Hello... And thanks in advance for any help anyone can offer me on my question! I've been doing a lot of reading to try and find my answer... But I haven't had any luck What I'm trying to understand is where a child process inherits global environment variables from? I understand the exec()... (2 Replies)
Discussion started by: bodisha
2 Replies
notify-send(1)							   User Commands						    notify-send(1)

NAME
notify-send - a CLI program to send desktop notifications SYNOPSIS
notify-send [--help ] [--urgency=level] [--expire-time=time] [--icon=icon,icon...] [--category=type,type...] [--hint=type:name:value] [sum- mary] [body] DESCRIPTION
Using notify-send, you can send desktop notifications to the user via a notification daemon from the command line. The notifications are used to inform the user about an asynchronous event or display some useful information without getting in the user's way. OPTIONS
The following options are supported: -?, --help Display help text. -u, --urgency=level Specifies the urgency level, including low, normal and critical. -t, --expire-time=time Specifies the timeout in milliseconds at which to expire the notification. -i, --icon=icons Specifies an icon filename or stock icon to display. -c, --category=types Specifies the notification category. -h, --hint=hint Specifies basic extra data to pass. The format is type:name:value and valid types are int, double, string and byte -v, --version Display version information. EXIT STATUS
0 All information was written successfully. >0 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-panel | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
The Desktop Notification Spec on http://www.galago-project.org/specs/notification/. NOTES
Written by Jedy Wang, Sun Microsystems Inc., 2007. SunOS 5.11 28 Feb 2007 notify-send(1)
All times are GMT -4. The time now is 11:09 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy