src/sim/Process.py

   1 # Copyright (c) 2005-2007 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Nathan Binkert
  28
  29 from m5.SimObject import SimObject
  30 from m5.params import *
  31 from m5.proxy import *
  32
  33 class Process(SimObject):
  34     type = 'Process'
  35     abstract = True
  36     input = Param.String('cin', "filename for stdin")
  37     output = Param.String('cout', 'filename for stdout/stderr')
  38     system = Param.System(Parent.any, "system process will run on")
  39     max_stack_size = Param.MemorySize('64MB', 'maximum size of the stack')
  40
  41 class LiveProcess(Process):
  42     type = 'LiveProcess'
  43     executable = Param.String('', "executable (overrides cmd[0] if set)")
  44     cmd = VectorParam.String("command line (executable plus arguments)")
  45     env = VectorParam.String([], "environment settings")
  46     cwd = Param.String('', "current working directory")
  47     uid = Param.Int(100, 'user id')
  48     euid = Param.Int(100, 'effective user id')
  49     gid = Param.Int(100, 'group id')
  50     egid = Param.Int(100, 'effective group id')
  51     pid = Param.Int(100, 'process id')
  52     ppid = Param.Int(99, 'parent process id')