Parallel task interface methods

Detailed Description

headers and methods for the parallel task interface of SCIP

Files
file	def_openmp.h
	wrappers for OpenMP defines
file	tpi.h
	the type definitions for the SCIP parallel interface
file	tpi_none.c
	the interface functions for dummy tpi
file	tpi_none.h
	the dummy implementation defines all functions as macros
file	tpi_openmp.c
	the interface functions for openmp
file	tpi_openmp.h
	the tpi_openmp redefines the lock functionality and some condition functionality as macros
file	tpi_tnycthrd.c
	a TPI implementation using tinycthreads
file	tpi_tnycthrd.h
	the tinycthreads implementation defines the lock and condition functionality as macros
file	type_tpi.h
	the type definitions for the task processing interface
file	type_tpi_none.h
	the type definitions for the the locks and condition variables for the dummy implementation of the TPI
file	type_tpi_openmp.h
	the type definitions for the the locks and condition variables for the OpenMP implementation of the TPI
file	type_tpi_tnycthrd.h
	the type definitions for the the locks and condition variables for the tinycthreads implementation of the TPI