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by: Benoit Dejean |
last post by:
hello, i have a question about forking processes
atm, i have some code which i want to rewrite
os.system("cd ~ && exec " + cmd + " & disown")
i want to remove this os.system call
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by: shellcode |
last post by:
the code:
------fork.c------
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
int main()
{
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by: steve |
last post by:
I was given the following code, and asked what the possible outputs
could be. We're learning about processes and forking.
int value;
int main(){
int pid, number = 1;
value = 2;
pid = fork();
value = value + 2;
number = number + 2;
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by: ramu |
last post by:
Hi All,
We know that a c function never returns more than one value.
Then how come the fork() function returns two values? How it is
implemented?
Regards
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by: vduber6er |
last post by:
Hi I want to have a wait page while the rest of the cgi does its
process, but it seems like the wait page waits till everything is
complete and never appears. I've tried forking twice already as
suggested in a faq, but it still doesnt seem to work. Below is what I
have done:
pid = fork()
if (pid == 0){
printf ("http://my.wait.page");
exit (100);
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by: thrillseekersforever |
last post by:
The questions(A&B) are to fine no# of process running from the below
codes. However, I couldn't decipher the solution. Will someone please
throw some light on this? Thanks a lot!!
A]
void main() {
....
pid1 = fork();
if (pid1) pid2 = fork();
.....
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by: JoeW |
last post by:
Now before I go into detail I just want to say that this is purely for
my own benefit and has no real world usage. I remember way back when
the tool for *nix systems called forkbomb was created. I recently
explained it to a friend of mine and at that time decided to see if I
could replicate it in C#. I have created an application that, to me at
least, mimics what fork would/should do on *nix/bsd systems. I know
that fork spawns a new...
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by: CMorgan |
last post by:
Hi everybody,
I am experiencing an annoying problem with fork() and execv().
In my program I need to launch the "pppd" from a thread, so, I create
a new process with fork and then in the child process I launch with
execv the pppd to connect an embedded system to internet.
The problem is that pppd fails.
I have made two test program just to discard bugs (my
applications is really big) and the result is that when
I call execv from a...
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by: Gilles Ganault |
last post by:
Hello
I need to launch a Python script, and fork it so that the calling
script can resume with the next step will the Python script keeps
running.
I tried those two, but they don't work, as the calling script is stuck
until the Python script ends:
sys.stdout = open(os.devnull, 'w')
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by: Radz |
last post by:
when the fork system call is executed, a new process is created. The original process is called the parent process whereas the new process is called the child process. The new process consists of a copy of the address space of the parent. On success, both processes continue execution at the instruction after the fork call, with one difference, the return code for the fork system call is zero for the child process, while the process identifier of...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: bsmnconsultancy |
last post by:
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