Login or Register to Ask a Question and Join Our Community


Programming

Using Signals

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Programming Using Signals
# 1  
Old 06-06-2001
Using Signals
How can use signals in a C program If i want a child program to signal it's parent program that it(child) program has completed the task that it was assigned.Smilie
# 2  
Old 06-06-2001
SIGCHLD is delivered to the parent when the child exits. Use signal(2) to trap this signal and react to it.
# 3  
Old 11-28-2008
A fork() Primer
Signals

Please go thorugh these links. It may be helpful.
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Help with Signals

Hi All, The problem statement is as below: Problem: A process (exe) is getting executed in background. The output of this process is getting logged in a file. After successfully running for some time the process gets terminated. In the log file following is present: ^M[7m Interrupt ^M[27m... (8 Replies)
Discussion started by: Praty.27
8 Replies

2. UNIX for Dummies Questions & Answers

Blocking signals

I know how to add signal to a set. But what if I want to add 2 or 3 signals to the set. I know I can use sigaddset (&set,SIGBUS)....but what if I want to add SIGBUS and SIGALRM at once. Do i have to do it like this.. sigaddset (&set,SIGBUS); sigaddset (&set,SIGALRM); Is there another way to... (0 Replies)
Discussion started by: joker40
0 Replies

3. UNIX for Dummies Questions & Answers

perror with signals

I have following problem with this code.. First time trough the main loop..... perror gives ....blocked signal:success(all other times gives illlegal seek) Should every time trought the main loop be success?? And the perror otside of main loop...didn't change mask:success That line of code... (2 Replies)
Discussion started by: joker40
2 Replies

4. UNIX for Dummies Questions & Answers

Help understanding signals

I am having trouble with folowing sigset_t s; // now s represents set of signals sigemptyset(&s) ; // initialize this set and exclude all the signals from it.is it empty? sigaddset(&s,SIGILL);//this set containts only SIGILL signal sigprocmask(SIG_BLOCK,&s,NULL);//lost on this one Can... (3 Replies)
Discussion started by: joker40
3 Replies

5. Programming

Can we debug Signals

Hi, In our program, we are using SIGTERM and i tired to put break point in this function. But my debuger is unable to brake at that point. I am working on Mac X and using XCode. Thanks (1 Reply)
Discussion started by: Saurabh78
1 Replies

6. OS X (Apple)

How to debug signals

Hi, In our program, we are using SIGTERM and i tired to put break point in this function. But my debuger is unable to brake at that point. I am working on Mac X and using XCode. Thanks (0 Replies)
Discussion started by: Saurabh78
0 Replies

7. Programming

threads and signals

can any one give me an example of a concurrency program in threads and signals, i.e how to deliver messages between threads using signals. thanks (2 Replies)
Discussion started by: moe_7
2 Replies

8. UNIX for Dummies Questions & Answers

threads and signals

can any one give me an example of a concurrency program in threads and signals, i.e how to deliver messages between threads using signals. thanks (0 Replies)
Discussion started by: moe_7
0 Replies

9. UNIX for Dummies Questions & Answers

Signals...

(posted this in the scripting forum as well, but figured it should go here) So, what's going on is this: For our program, we had to create our own shell, and if the user pressed ctrl-c just at the cmdline, then this signal would be ignored, but if there is a foreground process running, let's... (0 Replies)
Discussion started by: blind melon
0 Replies

10. Programming

Signals In HP-UX

does the way of handling, interrupting signals in HP-UX same as that of solaris. If there is difference than what it is.?:confused: (1 Reply)
Discussion started by: kapilv
1 Replies
Login or Register to Ask a Question