hello everyone,
i am attempting to run the sleep function (i've also tried select) during the execution of a command to mimic a status. for example:
# this is a terminal screen
# here the process is executed
# below this a status is displayed while the command executes like so:... (3 Replies)
Hi,
I'm trying to delete a sleeping process (parent ID is not 1) with "kill -9" command by the owner of the process (infodba) but it doesn't get killed. Is there any way of killing this process without killing the parent process or rebooting? (I'm using HP Unix B.11.11)
$ ps -eflx | grep... (0 Replies)
Is there a way to monitor certain processes and if they hang too long to kill them, but certain scripts which are expected to take a long time to let them go?
Thank you
Richard (4 Replies)
Hi
Is there an easy way to identify and group currently running processes into OS processes and APP processes. Not all applications are installed as packages.
Any free tools or scripts to do this?
Many thanks. (2 Replies)
I had a script executing every hour to kill a process. I used loop rather than cron to execute it periodically. But now when I am trying to kill that sleep process of 1 hour its not getting killed. it is taking a new PID everytime I kill. To disable the script commenting is the only option... (1 Reply)
Hi,
I have ascript with a recursive funtion below.
I have mentioned to sleep for 60minutes but it doesnt doing so.
Its keep on running until if /elif conditions satiesfies.
Can you pls help what is wrong here.
funcstatus ()
{
if
then
echo "`date` - Current status... (2 Replies)
hi all
sleeping processes in the following output , are they doing anything , but consuming lot of sources, should I need to kill them , how to know , , what they are doing
and the output says out of 260 processes only 9 are running , and 251 are sleeping , what does the sleeping means, can... (8 Replies)
Greetings. This is my first post in this forum; I hope y'all find it useful. One caveat: "Concise" is my middle name. NOT! :D
I am almost done with a shell script that runs as a daemon. It monitors a message log that is frequently written to by a database server but it it works my client will... (2 Replies)
Discussion started by: jakesalomon
2 Replies
LEARN ABOUT OPENDARWIN
preap
preap(1) User Commands preap(1)NAME
preap - force a defunct process to be reaped by its parent
SYNOPSIS
preap [-F] pid...
DESCRIPTION
A defunct (or zombie) process is one whose exit status has yet to be reaped by its parent. The exit status is reaped via the wait(3C),
waitid(2), or waitpid(3C) system call. In the normal course of system operation, zombies may occur, but are typically short-lived. This may
happen if a parent exits without having reaped the exit status of some or all of its children. In that case, those children are reparented
to PID 1. See init(1M), which periodically reaps such processes.
An irresponsible parent process may not exit for a very long time and thus leave zombies on the system. Since the operating system destroys
nearly all components of a process before it becomes defunct, such defunct processes do not normally impact system operation. However, they
do consume a small amount of system memory.
preap forces the parent of the process specified by pid to waitid(3C) for pid, if pid represents a defunct process.
preap will attempt to prevent the administrator from unwisely reaping a child process which might soon be reaped by the parent, if:
o The process is a child of init(1M).
o The parent process is stopped and might wait on the child when it is again allowed to run.
o The process has been defunct for less than one minute.
OPTIONS
The following option is supported:
-F Forces the parent to reap the child, overriding safety checks.
OPERANDS
The following operand is supported:
pid Process ID list.
EXIT STATUS
The following exit values are returned by preap, which prints the exit status of each target process reaped:
0 Successfully operation.
non-zero Failure, such as no such process, permission denied, or invalid option.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWesu (32-bit) |
+-----------------------------+-----------------------------+
| |SUNWesxu (64-bit) |
+-----------------------------+-----------------------------+
SEE ALSO proc(1), init(1M), waitid(2), wait(3C), waitpid(3C), proc(4), attributes(5)WARNINGS
preap should be applied sparingly and only in situations in which the administrator or developer has confirmed that defunct processes will
not be reaped by the parent process. Otherwise, applying preap may damage the parent process in unpredictable ways.
SunOS 5.10 26 Mar 2001 preap(1)