Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Help with task daemon
Top Forums Programming Help with task daemon Post 302305837 by james2432 on Thursday 9th of April 2009 09:40:24 PM
Old 04-09-2009
Thanks for the help i was tired(i program all day long) and facepalmed when you mentioned the %d for decimal... i should have known

everything is sort of working mplayer never quits now :P
Code:
    while(1){ 
          int rc=system("ps -C mplayer -opid=");
                 
          rc = WEXITSTATUS(rc); /* Check if mplayer is running */
            printf("I was here pid: %d\n",rc); 
       if(rc > 0 ){
               
              pid = fork(); 
              if(pid>=0){     
                if (pid == 0)  
                 ChildProcess(); 
                else  
                 ParentProcess(); 
                } 
              } 
       else 
          {/*fork error*/}
   
     }
return (0); 
} 
 
void  ChildProcess(void) 
{ 
     system("mplayer ~/test.avi"); 
     exit(0); 
} 
 
void  ParentProcess(void) 
{ 
    sleep(2); 
    return; 
}

 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

process vs task

Hi, I am new to this forum and unix too. I have just started learning unix. As I was going through the first chapter, I read that unix is multitasking, multiprogramming, multiprocessing and multiuser OS. My question is: Is there any difference between a TASK and a PROCESS. How are PROCESS... (2 Replies)
Discussion started by: hana
2 Replies

2. Shell Programming and Scripting

comment and Uncomment single task out of multiple task

I have a file contains TASK gsnmpproxy { CommandLine = $SMCHOME/bin/gsnmpProxy.exe } TASK gsnmpdbgui { CommandLine = $SMCHOME/bin/gsnmpdbgui.exe I would like to comment and than uncomment specific task eg TASK gsnmpproxy Pls suggest how to do in shell script (9 Replies)
Discussion started by: madhusmita
9 Replies

3. Shell Programming and Scripting

Parse an XML task list to create each task.xml file

I have an task definition listing xml file that contains a list of tasks such as <TASKLIST <TASK definition="Completion date" id="Taskname1" Some other <CODE name="Code12" <Parameter pname="Dog" input="5.6" units="feet" etc /Parameter> <Parameter... (3 Replies)
Discussion started by: MissI
3 Replies

4. Shell Programming and Scripting

Need a help to automate a task

I need to automate a manual task using shell scripting. The scenario is like :- #!/usr/bin/sh echo "please enter the name of the lab server to test ..." read s ssh $s This is peace of the script which will allow me to login to another server using "ssh". I have a conf file which is having... (4 Replies)
Discussion started by: Renjesh
4 Replies

5. Shell Programming and Scripting

last task for my script

hi, infile- create table salary ( occupation_code char(40), earnings decimal(10,2), occ_yearend integer ); outfile- salary:create table salary salary:( occupation_code char(40), salary: earnings decimal(10,2), salary: occ_yearend integer salary:); Thanks. (4 Replies)
Discussion started by: dvah
4 Replies

6. Shell Programming and Scripting

task

Hi all, I'm newbie and stuck here. Thanks for any help. Input(txt file) a b X c d Y e f Z g h W Requested output: a b X Y c d Y X e f Z W g h W Z Please use code tags when posting data and code samples! (10 Replies)
Discussion started by: hernand
10 Replies

7. Shell Programming and Scripting

Task

Hi experts, I have a problem with the below shell task: I need to modify the file creatin a paired row , per each row which matches filter (e.g. number of nonempty columns = 5) Output should look like this: second row is original one from the input, first row(red) is pairing row, it's... (29 Replies)
Discussion started by: hernand
29 Replies

8. Shell Programming and Scripting

Parallelize a task that have for

Dear all, I'm a newbie in programming and I would like to know if it is possible to parallelize the script: for l in {1..1000} do cut -f$l quase2 |tr "\n" "," |sed 's/$/\ /g' |sed '/^$/d' >a_$l.t done I tried: for l in {1..1000} do cut -f$l quase2 |tr "\n" "," |sed 's/$/\ /g' |sed... (7 Replies)
Discussion started by: valente
7 Replies

9. Homework & Coursework Questions

[HELP] Easy task

I have a simple task for my school work. I'm new with unix, so i need help. I need to write a scenario. Task is. From created txt file read first 3 words and create a 3 catalogs with those 3 words. 2 of those new catalogs should be transferred to other directory. If someone could help me just... (1 Reply)
Discussion started by: justynykas
1 Replies

10. UNIX for Beginners Questions & Answers

Task 1 bible

Hi i have recently started learning Bash scripting to learn a new skill. My boss has assigned me a task but i am struggling to complete it would really be thankful for some help ill put what i have so far: Test1-bible is the directory and each chapter of the bible is a sub-directory hence i... (1 Reply)
Discussion started by: Atreus20
1 Replies

LEARN ABOUT DEBIAN

solarpowerlog

SOLARPOWERLOG(1)														  SOLARPOWERLOG(1)

NAME

       solarpowerlog - queries data from a photovoltaic inverter

SYNOPSIS

       solarpowerlog [options]

DESCRIPTION

       The program trackd and logd data from photovoltaic inverters, collect power data and store them.

OPTIONS

       The  program  follow the usual GNU command line syntax, with long options starting with two dashes (`-').  A summary of options is included
       below.

       -h, --help
	      Show summary of options.

       -v, --version
	      Show version of program.

       -b, --background
	      Runs the program in the background, detaching it from the console.

       -c, --conf filename
	      The configuration to be used. Default is solarpowerlog.conf, looked for in the current directory.

       --dumpcfg
	      Dump configuration structure, then exit

       --chdir arg
	      working directory for daemon (only used when running as a daemon). Defaults to /

       --stdout arg
	      redirect stdout to this file (only used when running as a daemon). Defaults to /dev/null

       --stderr arg
	      redirect stderr to this file (only used when running as a daemon). Defaults to /dev/null

       --pidfile arg
	      create a pidfile after the daemon has been started.  (only used when running as a daemon). Default: no pid file

SEE ALSO

       http://sourceforge.net/apps/mediawiki/solarpowerlog/index.php

								   June 16, 2009						  SOLARPOWERLOG(1)
All times are GMT -4. The time now is 12:30 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy