issue with if loop in perl Post: 302156389

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LEARN ABOUT REDHAT

pstack

PSTACK(1)						     Linux Programmer's Manual							 PSTACK(1)

NAME

       pstack - print a stack trace of running processes

SYNOPSIS

       pstack pid [...]

DESCRIPTION

       pstack attaches to the active processes named by the pids on the command line, and prints out an execution stack trace, including a hint at
       what the function arguments are.  If symbols exist in the binary (usually the case unless you have run strip(1)), then  symbolic  addresses
       are printed as well.

       If the process is part of a thread group, then pstack will print out a stack trace for each of the threads in the group.

RESTRICTIONS

       pstack currently works only on Linux, only on an x86 machine running 32 bit ELF binaries (64 bit not supported).  Also, for symbolic infor-
       mation, you need to use a GNU compiler to generate your program, and you can't strip symbols from the binaries.	For thread information	to
       be dumped, you have to use the debug-aware version of libpthread.so.  (To check, run nm(1) on your pthreads library, and make sure that the
       symbol "__pthread_threads_debug" is defined.)

SEE ALSO

       nm(1), ptrace(2)

AUTHORS

       Ross Thompson <ross@whatsis.com>

       Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>

Red Hat Linux							    Feb 25 2002 							 PSTACK(1)

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