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Viewing changes to pypy/rpython/ootypesystem/module/ll_os.py

  • Committer: Bazaar Package Importer
  • Author(s): Alexandre Fayolle
  • Date: 2007-04-13 09:33:09 UTC
  • Revision ID: james.westby@ubuntu.com-20070413093309-yoojh4jcoocu2krz
Tags: upstream-1.0.0
Import upstream version 1.0.0

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pypy/rpython/ootypesystem/module/ll_os.py
 
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import os
 
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from pypy.rpython.module.support import OOSupport
 
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from pypy.rpython.module.ll_os import BaseOS
 
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from pypy.rpython.ootypesystem import ootype
 
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from pypy.rlib.rarithmetic import intmask
 
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def _make_tuple(FIELDS):
 
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    n = len(FIELDS)
 
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    fieldnames = ['item%d' % i for i in range(n)]
 
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    fields = dict(zip(fieldnames, FIELDS))
 
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    return ootype.Record(fields)
 
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STAT_RESULT = _make_tuple([ootype.Signed]*10)
 
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PIPE_RESULT = _make_tuple([ootype.Signed]*2)
 
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WAITPID_RESULT = _make_tuple([ootype.Signed]*2)
 
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class Implementation(BaseOS, OOSupport):
 
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    def ll_stat_result(stat0, stat1, stat2, stat3, stat4,
 
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                       stat5, stat6, stat7, stat8, stat9):
 
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        tup = ootype.new(STAT_RESULT)
 
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        tup.item0 = intmask(stat0)
 
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        tup.item1 = intmask(stat1)
 
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        tup.item2 = intmask(stat2)
 
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        tup.item3 = intmask(stat3)
 
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        tup.item4 = intmask(stat4)
 
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        tup.item5 = intmask(stat5)
 
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        tup.item6 = intmask(stat6)
 
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        tup.item7 = intmask(stat7)
 
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        tup.item8 = intmask(stat8)
 
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        tup.item9 = intmask(stat9)
 
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        return tup
 
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    ll_stat_result = staticmethod(ll_stat_result)
 
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    def ll_os_read(cls, fd, count):
 
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        return cls.to_rstr(os.read(fd, count))
 
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    ll_os_read.suggested_primitive = True
 
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    def ll_pipe_result(fd1, fd2):
 
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        tup = ootype.new(PIPE_RESULT)
 
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        tup.item0 = fd1
 
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        tup.item1 = fd2
 
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        return tup
 
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    ll_pipe_result = staticmethod(ll_pipe_result)
 
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    def ll_os_readlink(cls, path):
 
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        return cls.to_rstr(os.readlink(path))
 
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    ll_os_readlink.suggested_primitive = True
 
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    def ll_waitpid_result(fd1, fd2):
 
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        tup = ootype.new(WAITPID_RESULT)
 
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        tup.item0 = fd1
 
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        tup.item1 = fd2
 
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        return tup
 
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    ll_waitpid_result = staticmethod(ll_waitpid_result)