Defect in XBD posix_trace_event_info structure

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        Defect report from : William Toth , IBM Austin

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@ page 397 line 13891 section posix_trace_event_info structure objection 
{WLT-VSRTC-2}

Problem:

Edition of Specification (Year): 2004

Defect code :  1. Error


The <trace.h> header shall define the posix_trace_event_info structure that 
includes at least the following members:

trace_event_id_t posix_event_id
pid_t posix_pid
void *posix_prog_address
int posix_truncation_status
struct timespec posix_timestamp
THR pthread_t posix_thread_id

A problem arises if the controller process is 32 bit and attempts to trace a 64 
bit process. posix_prog_process is defined as void *, so only 32 bits of the 64 
bit trace process address will be returned to the 32 bit controller process. 
Thus, leaving the process untrace-able by the controller process.

Action:

Change to an array type, possibly uint32_t[4], which would allow for further 
growth, i.e. 128 bit processes.