06-02-2013
Wait functionality in Solaris
hi all ,
If pid is not an active process ID, the wait utility will return immediately and the return code will be 0.
i just came across this which means that wait will returm 0 even though the script has failed
so can anyone tell me what is the exact way to get the return status from wait command in bash script ?
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Ok, heres the situation. We use Solaris 8 and sometimes users who are logged into our system restart their pc's without shutting down the application that attached to our unix backend. I netstat and I get time-waits for the users.
My question is how long before the time-wait ends and the user... (1 Reply)
Discussion started by: eloquent99
1 Replies
2. Shell Programming and Scripting
I have a few xml files and I want to input say 5 parameters within each file. is it possible to do so with sed?
<parameter>A</parameter>
<parameter>B</parameter>
....
....
And so on.
These parameters are meant to go in just inside:
<?xml... (2 Replies)
Discussion started by: collern2
2 Replies
3. Shell Programming and Scripting
Hello,
I am trying to write a script that has a option of restarting the script from where it failed. I have to write a script called Batch.sh. This script has to run quite a few sql files as shown below:
logcmd.sh -f test1.sql
logcmd.sh -f test2.sql
logcmd.sh -f test3.sql
logcmd.sh -f... (4 Replies)
Discussion started by: rkumar28
4 Replies
4. Shell Programming and Scripting
:cool:
I need to execute a shell script to do the following:
cat a file
run two back ground processes using the first two values from the file
wait till those background processes finish
run two more background processes using the next two values from the file
wait till those background... (1 Reply)
Discussion started by: halo98
1 Replies
5. UNIX for Dummies Questions & Answers
i have a function defined in one ksh
i want to use the same functionality in another ksh
i am using
. ../<ksh name>
but it is not picking that functionality
what i have to do for the same (2 Replies)
Discussion started by: trichyselva
2 Replies
6. Shell Programming and Scripting
Did not use 'wait' yet.
How I understand by now the wait works only for child processes, started background.
Is there any other way to watch completion of any, not related process (at least, a process, owned by the same user?)
I need to start a background process, witch will be waiting... (2 Replies)
Discussion started by: alex_5161
2 Replies
7. Shell Programming and Scripting
HI,
I have a strange problem. A shell script that runs fine on solaris. when i ported to linux, it started hanging.
here is the core of the script
CFG_FILE=tab25.cfg
sort -t "!" -k 2 ${CFG_FILE} | egrep -v "^#|^$" | while IFS="!" read a b c
do
#echo "jobs output"
#jobs
#echo "jobs... (13 Replies)
Discussion started by: aksaravanan
13 Replies
8. Shell Programming and Scripting
Hi,
I am facing a strange issue,
when i call a script from my while loop in background it doesnt go in background, despite the wait i put below the whil loop it goes forward even before the process put in background is completed.
cat abc.txt | while read -u4 line
do
#if line contains #... (2 Replies)
Discussion started by: mihirvora16
2 Replies
9. UNIX for Dummies Questions & Answers
Hi everyone, today i need that someone help to understand this particular line of command.
So you can explain to me step by step, it will be great.
---------- Post updated at 11:53 AM ---------- Previous update was at 11:51 AM ---------- (9 Replies)
Discussion started by: Newer
9 Replies
10. UNIX for Dummies Questions & Answers
Hi ,
I've written the following code to zip the big file
$dir_temp ="/home/etc/hst
zip -r $dir_temp/file_nm.zip $dir_temp/file_nm
The zip file has been created . When I try to UNZIP the file
with the following command
unzip file_nm.zip
The file got unzipped but created in the... (3 Replies)
Discussion started by: smile689
3 Replies
WAIT(2) System Calls Manual WAIT(2)
NAME
wait - wait for a process to exit
SYNOPSIS
#include <u.h>
#include <libc.h>
int wait(Waitmsg *w)
DESCRIPTION
Wait causes a process to wait for any child process (see fork(2)) to exit. It returns the pid of a child that has exited and fills in w
with more information about the child. W points to a Waitmsg, which has this structure:
typedef
struct Waitmsg
{
char pid[12]; /* of loved one */
char time[3*12]; /* of loved one & descendants */
char msg[ERRLEN];
} Waitmsg;
Pid is the child's process id. The time array contains the time the child and its descendants spent in user code, the time spent in system
calls, and the child's elapsed real time, all in units of milliseconds. All integers in a Waitmsg are formatted as right-justified textual
numbers in 11-byte fields followed by a blank. Msg contains the message that the child specified in exits(2). For a normal exit, msg[0]
is zero, otherwise msg is prefixed by the process name, a blank, the process id, and a colon.
If there are no more children to wait for, wait returns immediately, with return value -1.
SOURCE
/sys/src/libc/9syscall
SEE ALSO
fork(2), exits(2), the wait file in proc(3)
DIAGNOSTICS
Sets errstr.
WAIT(2)