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  NPS - Non-Preemptive Thread Scheduling Library
  Version 0.9.18 (20-Jun-1999)

  ABSTRACT

  NPS is a portable POSIX/ANSI-C based library for Unix platforms which
  provides non-preemptive scheduling for multiple threads of execution
  ("multi-threading") inside server applications. All threads run in the
  same address space of the server application, but each thread has it's
  own individual program-counter, run-time stack, signal mask and errno
  variable.

  The thread scheduling itself is done in a cooperative way, i.e. the
  threads are managed by a priority- and event-based non-preemptive
  scheduler. The intention is that this way one can achieve better
  portability and run-time performance than with preemptive scheduling.
  The event facility allows threads to wait until various types of events
  occur, including pending I/O on filedescriptors, asynchronous signals,
  elapsed timers, pending I/O on message ports, thread and process
  termination, and even customized callback functions.

  COPYRIGHT AND LICENSE

  Copyright (c) 1999 Ralf S. Engelschall <rse@engelschall.com>

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA, or contact Ralf S. Engelschall <rse@engelschall.com>.

  HOME AND DOCUMENTATION

  The documentation and latest release can be found on
  http://www.engelschall.com/sw/nps/
   ftp://ftp.engelschall.com/sw/nps/

                                       Ralf S. Engelschall
                                       rse@engelschall.com
                                       www.engelschall.com
