10-30-2008
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
Thanks in advance.
i need to kill a unix background running job after that job process completes.
i can kill a job by giving the following unix command
kill -9 processid
how to kill the job after the current process run gets completed ?
Appreciate your valuable help.
... (1 Reply)
Discussion started by: dtazv
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2. Solaris
Hi,
Thanks in advance.
i need to kill a unix background running job after that job process completes.
i can kill a job by giving the following unix command
kill -9 processid
how to kill the job after the current process run gets completed ?
Appreciate your valuable help.
Thanks... (7 Replies)
Discussion started by: dtazv
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3. HP-UX
Hi ,
I have query regarding to get a program name given a pid in HP-Ux .
give procees id ( PID) i would like to retrieve the process/program through a C program ?
my input to c program will be will be pid and i would like to know what is process name /program name .
Many Thanks ... (1 Reply)
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4. Shell Programming and Scripting
Hello,
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5. UNIX for Dummies Questions & Answers
helo , i m using RHEL 4 and in that automake -2.59
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but when i say # rpm -qa |grep automake
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amit (5 Replies)
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6. Shell Programming and Scripting
Hi forum,
I have a problem concerning job or process scheduling and control.
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7. HP-UX
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8. Shell Programming and Scripting
Hi,
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9. Shell Programming and Scripting
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10. UNIX for Beginners Questions & Answers
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setsid(2) System Calls setsid(2)
NAME
setsid - create session and set process group ID
SYNOPSIS
#include <sys/types.h>
#include <unistd.h>
pid_t setsid(void);
DESCRIPTION
The setsid() function creates a new session, if the calling process is not a process group leader. Upon return the calling process will be
the session leader of this new session, will be the process group leader of a new process group, and will have no controlling terminal. The
process group ID of the calling process will be set equal to the process ID of the calling process. The calling process will be the only
process in the new process group and the only process in the new session.
RETURN VALUES
Upon successful completion, setsid() returns the value of the process group ID of the calling process. Otherwise it returns (pid_t)-1 and
sets errno to indicate the error.
ERRORS
The setsid() function will fail if:
EPERM The calling process is already a process group leader, or the process group ID of a process other than the calling process
matches the process ID of the calling process.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Async-Signal-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
getsid(2), setpgid(2), setpgrp(2), attributes(5), standards(5)
WARNINGS
A call to setsid() by a process that is a process group leader will fail. A process can become a process group leader by being the last
member of a pipeline started by a job control shell. Thus, a process that expects to be part of a pipeline, and that calls setsid(), should
always first fork; the parent should exit and the child should call setsid(). This will ensure that the calling process will work reliably
when started by both job control shells and non-job control shells.
SunOS 5.10 21 Aug 2002 setsid(2)