Log Message:-----------Add BackendXidGetPid().
Modified Files:-------------- pgsql/src/include/storage: procarray.h (r1.3 -> r1.4) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/storage/procarray.h.diff?r1=1.3&r2=1.4) pgsql/src/backend/storage/ipc: procarray.c (r1.4 -> r1.5) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/ipc/procarray.c.diff?r1=1.4&r2=1.5)