If its just waiting to be closed, even after few minutes same File Descriptors that are pointing to base disk location are still there.
You misunderstand what I am referring to. A process can remove (unlink) a file while it is still open for reading and/or writing. The file contents stays on disk as long as the process use it. Only the process(es) having the file open before it was unlinked can still access its data. This can be for hours/days or indefinitely.
Quote:
Its as if they are there for some purpose..
Yes, files are almost always used for some purpose
I don't recall if Solaris 8 already had that feature yet but you can try:
Code:
file /proc/pid#/fd/fd#
with pid# being the process id and fd# the file descriptor number. (eg
26204 and 45 for your sample output)
I am trying to find a way to check the current status of a file. Such as some cron job processes are dependent on the completion of others. if a file is currently being accessed / modified or simply open state I will wait until it is done being processed before attempting the next process on that... (3 Replies)
Hello All,
Im opening a file desciptor in perl and sending data using print CMD "$xyz".
is there a limit to the length of the string that I can give to this CMD at a time. (3 Replies)
I have to create a user interface in which user can easily update ,delete or insert a new record which is pointing to a file in AIX Server?
Using awk,sed ican update ,modify the file.
how to create a link to userlike GUI(without using Tomcat,IIS) (3 Replies)
Hi,
i have a sql file named sample.sql. The query is given below.
select count(*) from $TABLE_NAME
In the main script, i am sourcing this sql. I need to replace the $TABLE_NAME with actual value, before running the query. How can i achieve that?
The logic i tried is given below:... (3 Replies)
I know how to check if any file has a unix process using a file by looking at 'lsof <fullpath/filename>' command.
I think using lsof is very expensive. Also to make it accurate we need to inlcude fullpath of the file.
Is there another command that can tell if a file has a truely active... (12 Replies)
Hello,
I have a set of directories, which has inside them, symbolic links to some files. What i would like to do is to covert the links into actual files, i.e. remove the link and copy the actual file here...
I tried to see unlink command but i think all it does is delete the link, is... (2 Replies)
hello,
Someone can help me with redirectors?
I am writing this script in bash enviroment on Fedora:
exec 4<> /dev/tcp/10.10.11.30/5000 #open socket in input/output
strings<&4 >file.txt &
I send file descriptor 4 to string command to purge data stream from special char while come from... (3 Replies)
I am very noobish to UNIX, our guy is on vacation so I am trying to take up some slack while he is away.
Typically when we use sql from within a shell script, we do so from a file containing the sql.
Example:
$ORACLE_HOME/bin/sqlplus $ORA_DBCU/$ORA_DBCP @${cron_dir}/${report_file}.sql
... (10 Replies)
Discussion started by: biobill
10 Replies
LEARN ABOUT HPUX
setpgrp2
setpgid(2) System Calls Manual setpgid(2)NAME
setpgid(), setpgrp2() - set process group ID for job control
SYNOPSIS DESCRIPTION
The and system calls cause the process specified by pid to join an existing process group or create a new process group within the session
of the calling process. The process group ID of the process whose process ID is pid is set to pgid. If pid is zero, the process ID of the
calling process is used. If pgid is zero, the process ID of the indicated process is used. The process group ID of a session leader does
not change.
is provided for backward compatibility only.
Security Restrictions
Some or all of the actions associated with this system call are subject to compartmental restrictions.
See compartments(5) for more information about compartmentalization on systems that support that feature. Compartmental restrictions can
be overridden if the process possesses the privilege (COMMALLOWED). Processes owned by the superuser may not have this privilege. Pro-
cesses owned by any user may have this privilege, depending on system configuration.
See privileges(5) for more information about privileged access on systems that support fine-grained privileges.
RETURN VALUE
and return the following values:
Successful completion.
Failure.
is set to indicate the error.
ERRORS
If or fails, is set to one of the following values.
The value of pid matches the process ID of a child process of the calling process and the child process has successfully executed
one of the exec(2) functions.
The value of pgid is less than zero or is outside the range of valid process group ID values.
The process indicated by
pid is a session leader.
The value of pid is valid but matches the process ID of a child process of the calling process, and the child process is not in
the same session as the calling process.
The value of pgid does not match the process ID of the process indicated by pid and there is no process with a process group ID
that matches the value of pgid in the same session as the calling process.
The value of pid does not match the process ID of the calling process or of a child process of the calling process.
AUTHOR
and were developed by HP and the University of California, Berkeley.
SEE ALSO bsdproc(3C), exec(2), exit(2), fork(2), getpid(2), kill(2), setsid(2), signal(2), privileges(5), termio(7).
STANDARDS CONFORMANCE setpgid(2)