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Full Discussion: C Exit Not Executing
Operating Systems AIX C Exit Not Executing Post 303005220 by jim mcnamara on Sunday 15th of October 2017 11:03:06 PM
Old 10-16-2017
I am assuming the LD_LIBRARY_PATH works in AIX as it does elsewhere. Please correct me if this is a bad assumption. EDIT: checked - 5.1 AIX and earlier uses LIBPATH, which may be brought forward to other newer releases. Newer releases use LD_LIBRARY_PATH as I expected.

See if you can successfully run the ldd command as yourself against the compiled program. Try it again as root user.

It could be that LD_LIBRARY_PATH needs to change for your user. The differences in output of the two ldd commands should give you a clue.

As an aside, subverting/reinventing system calls like exit() is generally a poor idea. And it is sometimes done by using replacement shared libraries and/or changing the LD_LIBRARY_PATH order of shared libraries.
 

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LEARN ABOUT LINUX

ldd

LDD(1)							      General Commands Manual							    LDD(1)

NAME

       ldd - print shared library dependencies

SYNOPSIS

       ldd [OPTION]...	FILE...

DESCRIPTION

       ldd prints the shared libraries required by each program or shared library specified on the command line.

OPTIONS

       --version
	      Print the version number of ldd.

       -v --verbose
	      Print all information, including e.g. symbol versioning information.

       -d --data-relocs
	      Perform relocations and report any missing objects (ELF only).

       -r --function-relocs
	      Perform relocations for both data objects and functions, and report any missing objects or functions (ELF only).

       -u --unused
	      Print unused direct dependencies.

       --help Usage information.

BUGS

       ldd does not work on a.out shared libraries.

       ldd  does  not  work with some extremely old a.out programs which were built before ldd support was added to the compiler releases.  If you
       use ldd on one of these programs, the program will attempt to run with argc = 0 and the results will be unpredictable.

AUTHOR

       Roland McGrath and Ulrich Drepper.

SEE ALSO

       ldconfig(8), ld.so(8).

								  30 October 2000							    LDD(1)
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