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Hello,
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Hello people,
This question might seem to be a little naive but here it goes:
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Hi,
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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:
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Hi ,
I am trying to get the PID using the following command:
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it is possible to get PID, such that I check whether any orphan
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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
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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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inets(3erl) Erlang Module Definition inets(3erl)
NAME
inets - The inets services API
DESCRIPTION
This module provides the most basic API to the clients and servers, that are part of the Inets application, such as start and stop.
COMMON DATA TYPES
Type definitions that are used more than once in this module:
service() = ftpc | tftp | httpc | httpd
property() = atom()
EXPORTS
services() -> [{Service, Pid}]
Types Service = service()
Pid = pid()
Returns a list of currently running services.
Note:
Services started as stand_alone will not be listed.
services_info() -> [{Service, Pid, Info}]
Types Service = service()
Pid = pid()
Info = [{Option, Value}]
Option = property()
Value = term()
Returns a list of currently running services where each service is described by a [{Option, Value}] list. The information given in
the list is specific for each service and it is probable that each service will have its own info function that gives you even more
details about the service.
service_names() -> [Service]
Types Service = service()
Returns a list of available service names.
start() ->
start(Type) -> ok | {error, Reason}
Types Type = permanent | transient | temporary
Starts the Inets application. Default type is temporary. See also application(3erl)
stop() -> ok
Stops the inets application. See also application(3erl)
start(Service, ServiceConfig) -> {ok, Pid} | {error, Reason}
start(Service, ServiceConfig, How) -> {ok, Pid} | {error, Reason}
Types Service = service()
ServiceConfig = [{Option, Value}]
Option = property()
Value = term()
How = inets | stand_alone - default is inets
Dynamically starts an inets service after the inets application has been started.
Note:
Dynamically started services will not be handled by application takeover and failover behavior when inets is run as a distributed applica-
tion. Nor will they be automatically restarted when the inets application is restarted, but as long as the inets application is up and run-
ning they will be supervised and may be soft code upgraded. Services started as stand_alone , e.i. the service is not started as part of
the inets application, will lose all OTP application benefits such as soft upgrade. The "stand_alone-service" will be linked to the process
that started it. In most cases some of the supervision functionality will still be in place and in some sense the calling process has now
become the top supervisor.
stop(Service, Reference) -> ok | {error, Reason}
Types Service = service() | stand_alone
Reference = pid() | term() - service specified reference
Reason = term()
Stops a started service of the inets application or takes down a "stand_alone-service" gracefully. When the stand_alone option is
used in start, only the pid is a valid argument to stop.
SEE ALSO
ftp(3erl) , httpc(3erl) , httpd(3erl) , tftp(3erl)
Ericsson AB inets 5.5.2 inets(3erl)