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Full Discussion: How to find a hanging pid
Top Forums UNIX for Dummies Questions & Answers How to find a hanging pid Post 13105 by shaik786 on Friday 11th of January 2002 07:44:27 AM
Old 01-11-2002
Quote:
This is not a solution, but should help you a little.
Any process will Terminate if it does not catch a SIGNAL passed to it, SIGKILL (also SIGSTOP) being a signal which can not be caught. So, where's the room for this "hangin process" not to respond if it has not been written to take care of these signals? Which is like terminating the process with 'kill -9' itself! What if the process has been written to ignore any of the passed signals, again the state of the process is not going to change! What if the process has been written to perform some other task on receipt of any of these signals, the program might deviate from it's original task!

And yes, what are those "harmless signals"?
shaik786
 

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rad_detach_pid(3)					     Library Functions Manual						 rad_detach_pid(3)

NAME
rad_detach_pid - Detach a process from a Resource Affinity Domain by pid (libnuma library) SYNOPSIS
#include <numa.h> int rad_detach_pid( pid_t pid ); PARAMETERS
Specifies a process identifier (pid) to detach from a RAD set. DESCRIPTION
The rad_detach_pid() function frees a process that has been bound or attached to a RAD through the functions rad_bind_pid() or rad_attach_pid(), respectively. If the pid argument is NULL, the call is self-directed. That is, the function behaves as if the calling process's pid were specified. Calling rad_detach_pid() for a process that is not attached or bound is not considered to be an error. RETURN VALUES
Success. In this case, rad_detach_pid() detaches the pid specified by pid from the RAD set. Failure. In this case, errno is set to indi- cate the error. ERRORS
If the rad_detach_pid() function fails, errno is set to one of the following values for the reasons specified. The process specified in pid does not exist. The real or effective user ID of the caller does not match the real or effective user ID of the process pid, or the caller does not have appropriate privileges to free processes from RADs. SEE ALSO
Functions: rad_attach_pid(3), rad_bind_pid(3) rad_detach_pid(3)
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