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UNIX for Dummies Questions & Answers
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Post 1616 by Deepali on Tuesday 20th of March 2001 12:49:47 PM
03-20-2001
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1. Programming
I run this code, actually I want to both processes print the message from "data". But only one does. What happens? Anyone can help?
#include <stdio.h>
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int fd, pid;
char x;
fd = open("data",0); /* open file "data" */
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if(pid != 0){
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#include <stdio.h>
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void main(void)
{
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Hello all.
I'm developing a filetransfer application, which is supposed to work sort of like dcc, with multiple transfers etc. Now i wonder what the best way to manage the transfers is. Should i fork() for each new transfer, hogging loads of memory or use pthreads? Maybe I can use select to see... (0 Replies)
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4. Programming
hi all
About this code
for (i = 1; i < n; i++)
if ((childpid = fork()) <= 0)
break;
I really can't understand the output .
and the way fork () return the value .
how about the process Id ,the child process Id and the parent ID
in this case
so please answer me soon (5 Replies)
Discussion started by: iwbasts
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5. Programming
Hi everybody,
I wanna write a code to understand how fork works.
my target
--------------
-Parent creates a file(called temp) and writes into this file "1".Then it closes the file.
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6. UNIX for Advanced & Expert Users
Hi,
I wrote a simple program for understanding the fork command. The code is as below
int main(void)
{
fork(); printf("hi 1 \n");
fork(); printf("hi 2 \n");
fork(); printf("hi 3 \n");
}
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7. Programming
Hi,
I wrote a simple program for understanding the fork command. The code is as below
int main(void)
{
fork(); printf("hi 1 \n");
fork(); printf("hi 2 \n");
fork(); printf("hi 3 \n");
}
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8. Programming
does fork() spawn only the parent process, what if fork() is looped, does it spawn the parent and the child? (4 Replies)
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9. UNIX for Dummies Questions & Answers
I'm trying to run a simple test on how to use fork(), i'm able to execute the child process first then the parent, but how can I execute parent then child..?
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10. Programming
I understand that fork create a child but I need very simple example that make child useful....
I mean how will make the program faster anyone explain with code plz
using C plz (2 Replies)
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LEARN ABOUT REDHAT
afile
AFILE(1) General Commands Manual AFILE(1) NAME
afile - display type and creator of Apple Macintosh files (netatalk format) SYNOPSIS
afile [ -a ] file ... DESCRIPTION
afile displays the name and Macintosh type and creator of the file arguments. Tests whether the file is an AppleDouble header, in which case it checks the corresponding data fork exists, or assumes it is a data fork in which case it looks for the corresponding AppleDouble to find the type/creator information. afile does not look at any of the extension mapping files such as AppleVolumes.system. OPTIONS
-a Include directories and data files of unknown type (i.e. without corresponding AppleDouble) in output. DIAGNOSTICS
returns exit status 0 if all files have a corresponding valid .AppleDouble header or data fork, or 99 for bad command line options. Other- wise it returns the following error code relating to the last invalid file. 1 file doesn't exist 2 file is unreadable 3 file is directory 4 file is AppleDouble without data fork 5 file is AppleDouble with unreadable data fork 6 file is data fork without AppleDouble 7 file is data fork with unreadable AppleDouble 8 file is data fork with short AppleDouble 9 bad magic in AppleDouble SEE ALSO
achfile(1), afpd(1) 26 Feb 1998 AFILE(1)