9 More Discussions You Might Find Interesting
1. Programming
Hi. I have a program whose job it is to manage 15 child processes. Sometimes these children die (sometimes deliberately other times with a SEGV). This causes a SIGCHLD to be sent to my program which uses waitpid() in the signal handler to gather information and, in most cases, restart the child.... (3 Replies)
Discussion started by: jrichemont
3 Replies
2. Programming
Hello,
I'd like to know whether it is possible to let the parent know who kills its child process. The case is likely as below:
if there are four processes, we call them A, B, C and D. B is the child of A, and can be killed by both C and D. if B is killed, then A will receive SIGCHLD from B.... (7 Replies)
Discussion started by: aaronwong
7 Replies
3. UNIX for Dummies Questions & Answers
I want to know whicj process send the signal SIGCHLD to the parent's child.
Thank you in advance, (1 Reply)
Discussion started by: Puntino
1 Replies
4. UNIX for Dummies Questions & Answers
When the SIGCHLD is sent?
SIGCHLD is sent either a child exits spontaneously (e.g. exit(0)) or it is killed ?
thank you in advance (3 Replies)
Discussion started by: Puntino
3 Replies
5. Programming
Hi,
I have small problem.
In my (concurrent)server programm,
I am handling accept problem from client like this.
sample of server code.
/*******************/
end = 0;
while (! end )
{
sockfd = accept(...)
if(sockfd == -1)
{
if (errno == EINTR) /* this is bcoz... (5 Replies)
Discussion started by: stevenjagan
5 Replies
6. Programming
Hi,
I have 2 processes X and Y. Y is exec() from X. In Y i have an exit handler, which is called when i return from main. With in exit handler i delete and object which in turn calls the destructor of the object, which terminates all the threads of Y.
I believe that SIGCHLD is raised by Y as... (4 Replies)
Discussion started by: supersumanth
4 Replies
7. Programming
Hi,
I have an c++ application which uses the function fork and execvp().
The parent does not wait until the child ends. The parents just creates children and let them do their stuff.
You can see the parent program as a batch-manager.
I have added a SIGCHLD handler to the program:
void... (3 Replies)
Discussion started by: jens
3 Replies
8. UNIX for Advanced & Expert Users
I want to catch SIGCHLD signal in parent process. I can't use wait() system call to catch SIGCHLD according to project requirment.
Operating system linux 3.1
can any one have a solution for this.
Thanking you,
ranjan (2 Replies)
Discussion started by: ranjan
2 Replies
9. Programming
Hello everybody, this is my first post on this forum. I have a program that has a child process that sleeps for 5 second and exit. I'm suppose to modify this program so that when the child exits, the parent reports the exit status of the child, so I also have to deal with SIGINT and SIGQUIT. Can... (1 Reply)
Discussion started by: Unlimited Sky
1 Replies