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1. Shell Programming and Scripting
Hello,
I would like to know what this command means?
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what does "!" stand for? (5 Replies)
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name the process wit PID value 0? swapper or scheduler or both.... (3 Replies)
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I have searched to find an anwer to no avail, I hope you can help me.
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4. UNIX for Dummies Questions & Answers
Hello people,
This question might seem to be a little naive but here it goes:
I want to know the PID of a script that is running in the background.
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I am using the command:
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wrkarea... (9 Replies)
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5. UNIX for Dummies Questions & Answers
Hi,
I need to get the pid of a process and have to store the pid in a variable and i want to use this value(pid) of the variable for some process. Please can anyone tell me how to get the pid of a process and store it in a variable. please help me on this.
Thanks in advance,
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6. Shell Programming and Scripting
Hi All,
In my project i have two process runs in the back end.
Once i start my project, and execute the command ps, i get below output:
PID TTY TIME CMD
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8. UNIX for Dummies Questions & Answers
Hi ,
I am trying to get the PID using the following command:
$ /usr/ucb/ps -auwwwwx | grep java | grep Proceess | ptree PID or
$ /usr/ucb/ps -auwwwwx | grep java | grep Proceess;ptree PID
it is possible to get PID, such that I check whether any orphan
process is running.
solution... (0 Replies)
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9. Shell Programming and Scripting
The below command returns full line.How can i get only PID from this line ie 15794 from the below example
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10. Programming
question: for the below program
i just printed the value for pid, child pid and parent pid
why does it give me 6 values? i assume ppid is 28086
but can't figure out why there are 5 values printed instead of just two!
can someone comment on that!
#include<stdio.h>
#define DIM 8
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pg2(3erl) Erlang Module Definition pg2(3erl)
NAME
pg2 - Distributed Named Process Groups
DESCRIPTION
This module implements process groups. The groups in this module differ from the groups in the module pg in several ways. In pg , each mes-
sage is sent to all members in the group. In this module, each message may be sent to one, some, or all members.
A group of processes can be accessed by a common name. For example, if there is a group named foobar , there can be a set of processes
(which can be located on different nodes) which are all members of the group foobar . There are no special functions for sending a message
to the group. Instead, client functions should be written with the functions get_members/1 and get_local_members/1 to find out which pro-
cesses are members of the group. Then the message can be sent to one or more members of the group.
If a member terminates, it is automatically removed from the group.
Warning:
This module is used by the disk_log module for managing distributed disk logs. The disk log names are used as group names, which means that
some action may need to be taken to avoid name clashes.
EXPORTS
create(Name) -> void()
Types Name = term()
Creates a new, empty process group. The group is globally visible on all nodes. If the group exists, nothing happens.
delete(Name) -> void()
Types Name = term()
Deletes a process group.
get_closest_pid(Name) -> Pid | {error, Reason}
Types Name = term()
Pid = pid()
Reason = {no_process, Name} | {no_such_group, Name}
This is a useful dispatch function which can be used from client functions. It returns a process on the local node, if such a
process exist. Otherwise, it chooses one randomly.
get_members(Name) -> [Pid] | {error, Reason}
Types Name = term()
Pid = pid()
Reason = {no_such_group, Name}
Returns all processes in the group Name . This function should be used from within a client function that accesses the group. It is
therefore optimized for speed.
get_local_members(Name) -> [Pid] | {error, Reason}
Types Name = term()
Pid = pid()
Reason = {no_such_group, Name}
Returns all processes running on the local node in the group Name . This function should to be used from within a client function
that accesses the group. It is therefore optimized for speed.
join(Name, Pid) -> ok | {error, Reason}
Types Name = term()
Pid = pid()
Reason = {no_such_group, Name}
Joins the process Pid to the group Name . A process can join a group several times; it must then leave the group the same number of
times.
leave(Name, Pid) -> ok | {error, Reason}
Types Name = term()
Pid = pid()
Reason = {no_such_group, Name}
Makes the process Pid leave the group Name . If the process is not a member of the group, ok is returned.
which_groups() -> [Name]
Types Name = term()
Returns a list of all known groups.
start()
start_link() -> {ok, Pid} | {error, Reason}
Types Pid = pid()
Reason = term()
Starts the pg2 server. Normally, the server does not need to be started explicitly, as it is started dynamically if it is needed.
This is useful during development, but in a target system the server should be started explicitly. Use configuration parameters for
kernel for this.
SEE ALSO
kernel(7) , pg(3erl)
Ericsson AB kernel 2.14.3 pg2(3erl)
