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UNIX for Dummies Questions & Answers
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Post 5801 by patvdv on Thursday 23rd of August 2001 05:14:16 PM
08-23-2001
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10 More Discussions You Might Find Interesting
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>
main(){
int fd, pid;
char x;
fd = open("data",0); /* open file "data" */
pid = fork();
if(pid != 0){
wait(0);
... (2 Replies)
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2. Programming
#include <stdio.h>
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#define MAX_COUNT 200
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void main(void)
{
pid_t pid;
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char buf;
fork();
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3. Programming
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.
-Then parent creates a child and wait until execution of this child ends.
-Then child opens the same... (3 Replies)
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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");
}
I am getting a variation in the number of times the printf is called if i remove the \n from each of... (1 Reply)
Discussion started by: xyz123456
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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");
}
I am getting a variation in the number of times the printf is called if i remove the \n from each... (2 Replies)
Discussion started by: xyz123456
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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..?
Thanks! (1 Reply)
Discussion started by: l flipboi l
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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 DEBIAN
skipnewlist
skipNewList(3) util/skiplist.h skipNewList(3) NAME
skipNewList - create a skip list. SYNOPSIS
#include <util/skiplist.h> NEOERR *skipNewList(skipList *skip, int threaded, int root, int maxLevel, int flushLimit, skipFreeValue freeValue, void *ctx); ARGUMENTS
threaded - true if list should be thread-safe. root - performance parameter (see above). maxLevel - performance parameter (see above). flushLimit - max deleted items to keep cached before forcing a flush. freeValue - callback made whenever a value is flushed. ctx - context to pass to <freeValue>. DESCRIPTION
Returns a new skip list. If <threaded> is true, list is multi-thread safe. <root> and <maxLevel> determine performance and expected size (see discussion above). <flushLimit> is for threaded lists and determines the maximum number of deleted items to keep cached during con- current searches. Once the limit is reached, new concurrent reads are blocked until all deleted items are flushed. MT-Level: Safe. RETURN VALUE
None. SEE ALSO
skipDelete(3), skipFreeList(3), skipRelease(3), skipInsert(3), skipSearch(3), skipNext(3), skipNewList ClearSilver 12 July 2007 skipNewList(3)