Script to Kill process which is in hang state Post: 302618265

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Process remians in Running state causing other similar process to sleep and results to system hang

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Process remians in Running state causing other similar process to sleep and results to system hang

LEARN ABOUT BSD

kill

KILL(2) 							System Calls Manual							   KILL(2)

NAME

       kill - send signal to a process

SYNOPSIS

       kill(pid, sig)
       int pid, sig;

DESCRIPTION

       Kill  sends  the signal sig to a process, specified by the process number pid.  Sig may be one of the signals specified in sigvec(2), or it
       may be 0, in which case error checking is performed but no signal is actually sent.  This can be used to check the validity of pid.

       The sending and receiving processes must have the same effective user ID, otherwise this call is restricted to the  super-user.	 A  single
       exception is the signal SIGCONT, which may always be sent to any descendant of the current process.

       If the process number is 0, the signal is sent to all processes in the sender's process group; this is a variant of killpg(2).

       If  the process number is -1 and the user is the super-user, the signal is broadcast universally except to system processes and the process
       sending the signal.  If the process number is -1 and the user is not the super-user, the signal is broadcast universally to  all  processes
       with the same uid as the user except the process sending the signal.  No error is returned if any process could be signaled.

       For  compatibility  with System V, if the process number is negative but not -1, the signal is sent to all processes whose process group ID
       is equal to the absolute value of the process number.  This is a variant of killpg(2).

       Processes may send signals to themselves.

RETURN VALUE

       Upon successful completion, a value of 0 is returned.  Otherwise, a value of -1 is returned and errno is set to indicate the error.

ERRORS

       Kill will fail and no signal will be sent if any of the following occur:

       [EINVAL]       Sig is not a valid signal number.

       [ESRCH]	      No process can be found corresponding to that specified by pid.

       [ESRCH]	      The process id was given as 0 but the sending process does not have a process group.

       [EPERM]	      The sending process is not the super-user and its effective user id does not match the effective user-id	of  the  receiving
		      process.	When signaling a process group, this error was returned if any members of the group could not be signaled.

SEE ALSO

       getpid(2), getpgrp(2), killpg(2), sigvec(2)

4th Berkeley Distribution					   May 14, 1986 							   KILL(2)

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