This problem was fixed in some of the pthreads patches done
last year.  I pulled these patch ID's from a RC call; no
doubt they've been superseded by now but this should get
you started in the right direction:

Draft  4 threads patch:  MPEKXY4
Draft 10 threads patch:  MPEKXY3


Mike


John Bode ([log in to unmask]) wrote:
: I'm working on a set of C++ classes to encapsulate pthreads for a
: system which will eventually run on MPE and Linux, and I've run into a
: problem on the MPE side.  The pthread.h file defines two variables at
: file scope, 'pthd_push_pop_once_flag' and '_pthd_cleanup_key'.  If
: pthread.h gets #included into more than one source file (which it
: inevitably does), I get a duplicate symbol error at link time (LINKERR
: 1015).

: I've come up with a spectacularly hideous workaround for the short
: term, but I would like to know if there is a way to tell the linker to
: force multiple instances of the symbols to resolve to the same
: locations, or if there is a patch for pthread.h that doesn't define
: them at file scope.

: This is with g++ 2.95.2, MPE/iX 6.5.

: Thanks in advance.

--
-----------------------------------------------------------------
Mike Yawn
Hewlett-Packard                      email       [log in to unmask]
Commercial Systems Division          Phone         (916) 748-3865
8000 Foothills Blvd   MS 5219
Roseville, CA 95747
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