Upreckon: unix.py annotate

annotate unix.py @ 127:f5b8a0c0e3cb

Multiple bug fixes in the unix module Bug fix: a fatal OSError could occur inside Popen.poll() inside unix.call(). Bug fix: CPU-time-wise-ultra-fast testees no longer cause negative zero times to be reported on UNIX. Bug fix (regression in 16fe21d6582e): stdin is no longer read to check for Escape presses when it is not available for reading on UNIX. This would cause Upreckon to block until a key was pressed or, if the testee exceeded the wall-clock time limit, until the testee exit. Bug fix: unix.call() now works on Python 3.2. Bug fix: a fatal RuntimeError no longer occurs on problems with memory limits on systems with RLIMIT_VMEM but no RLIMIT_AS.

author	Oleg Oshmyan <chortos@inbox.lv>
date	Mon, 16 May 2011 02:53:24 +0100
parents	fcdcd0c95552
children	42c8f5c152a5

rev	line source
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	1 # Copyright (c) 2010-2011 Chortos-2 <chortos@inbox.lv>
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	2
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	3 from __future__ import division, with_statement
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	4
91 c62c9bfd614a Removed import_error Oleg Oshmyan <chortos@inbox.lv> parents: 86 diff changeset	5 from compat import *
c62c9bfd614a Removed import_error Oleg Oshmyan <chortos@inbox.lv> parents: 86 diff changeset	6 import testcases # mutual import
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	7
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	8 from subprocess import Popen
86 8cd7a732f2f3 Fixed a crash in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 85 diff changeset	9 import os, sys, time
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	10
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	11 try:
85 741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	12 from testcases import clock
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	13 except ImportError:
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	14 if sys.platform.startswith('java'):
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	15 from time import clock
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	16 else:
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	17 from time import time as clock
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	18
741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	19 try:
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	20 from signal import SIGTERM, SIGKILL
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	21 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	22 SIGTERM = 15
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	23 SIGKILL = 9
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	24
85 741ae3391b61 Moved clock/time detection into platform-specific modules and testcases Oleg Oshmyan <chortos@inbox.lv> parents: 82 diff changeset	25 __all__ = 'call', 'kill', 'terminate', 'pause', 'clock'
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	26
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	27
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	28 if not sys.stdin.isatty():
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	29 pause = lambda: sys.stdin.read(1)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	30 catch_escape = False
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	31 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	32 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	33 from select import select
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	34 import termios, tty, atexit
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	35 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	36 pause = None
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	37 catch_escape = False
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	38 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	39 catch_escape = True
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	40 def cleanup(old=termios.tcgetattr(sys.stdin.fileno())):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	41 termios.tcsetattr(sys.stdin.fileno(), termios.TCSAFLUSH, old)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	42 atexit.register(cleanup)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	43 tty.setcbreak(sys.stdin.fileno())
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	44 def pause():
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	45 sys.stdin.read(1)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	46
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	47 try:
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	48 from signal import SIGCHLD, SIG_DFL, signal, set_wakeup_fd
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	49 from select import select, error as SelectError
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	50 from errno import EAGAIN, EINTR
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	51 from fcntl import fcntl, F_SETFD, F_GETFD, F_SETFL, F_GETFL
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	52 from os import O_NONBLOCK
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	53 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	54 import cPickle as pickle
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	55 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	56 import pickle
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	57 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	58 def call(args, *kwargs):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	59 case = kwargs.pop('case')
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	60 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	61 case.process = Popen(args, *kwargs)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	62 except OSError:
94 b7fb64ce03d9 Fixed a couple of bugs Oleg Oshmyan <chortos@inbox.lv> parents: 91 diff changeset	63 raise testcases.CannotStartTestee(sys.exc_info()[1])
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	64 case.time_started = clock()
100 995502cdafc6 Fixed the generic implementation of call to use maxwalltime Oleg Oshmyan <chortos@inbox.lv> parents: 94 diff changeset	65 if not case.maxwalltime:
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	66 while True:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	67 exitcode, now = case.process.poll(), clock()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	68 if exitcode is not None:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	69 case.time_stopped = now
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	70 break
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	71 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	72 time.sleep(.001)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	73 else:
100 995502cdafc6 Fixed the generic implementation of call to use maxwalltime Oleg Oshmyan <chortos@inbox.lv> parents: 94 diff changeset	74 time_end = case.time_started + case.maxwalltime
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	75 while True:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	76 exitcode, now = case.process.poll(), clock()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	77 if exitcode is not None:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	78 case.time_stopped = now
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	79 break
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	80 elif now >= time_end:
126 fcdcd0c95552 Fixed the generic implementation of call to use testcases.WallTimeLimitExceeded Oleg Oshmyan <chortos@inbox.lv> parents: 124 diff changeset	81 raise testcases.WallTimeLimitExceeded
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	82 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	83 time.sleep(.001)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	84 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	85 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	86 from fcntl import FD_CLOEXEC
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	87 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	88 FD_CLOEXEC = 1
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	89
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	90 try:
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	91 from signal import siginterrupt
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	92 except ImportError:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	93 # Sucks.
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	94 siginterrupt = lambda signalnum, flag: None
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	95
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	96 try:
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	97 from resource import getrusage, RUSAGE_SELF, RUSAGE_CHILDREN
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	98 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	99 from time import clock as cpuclock
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	100 getrusage = lambda who: None
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	101 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	102 def cpuclock():
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	103 rusage = getrusage(RUSAGE_SELF)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	104 return rusage.ru_utime + rusage.ru_stime
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	105
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	106 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	107 from resource import setrlimit
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	108 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	109 from resource import RLIMIT_AS
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	110 except ImportError:
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	111 from resource import RLIMIT_VMEM as RLIMIT_AS
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	112 except ImportError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	113 setrlimit = None
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	114
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	115 # Make SIGCHLD interrupt sleep() and select()
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	116 sigchld_pipe_read, sigchld_pipe_write = os.pipe()
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	117 fcntl(sigchld_pipe_read, F_SETFL,
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	118 fcntl(sigchld_pipe_read, F_GETFL) \| O_NONBLOCK)
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	119 fcntl(sigchld_pipe_write, F_SETFL,
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	120 fcntl(sigchld_pipe_write, F_GETFL) \| O_NONBLOCK)
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	121 def bury_child(signum, frame):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	122 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	123 bury_child.case.time_stopped = clock()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	124 except Exception:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	125 pass
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	126 signal(SIGCHLD, bury_child)
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	127 set_wakeup_fd(sigchld_pipe_write)
108 218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	128 class SignalIgnorer(object):
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	129 def __enter__(self):
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	130 signal(SIGCHLD, SIG_DFL)
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	131 def __exit__(self, exc_type, exc_value, traceback):
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	132 signal(SIGCHLD, bury_child)
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	133 signal_ignorer = SignalIgnorer()
218b8c28549c Fixed a crash due to SIGCHLD interrupting validator output pipe reads Oleg Oshmyan <chortos@inbox.lv> parents: 100 diff changeset	134 __all__ += 'signal_ignorer',
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	135
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	136 # If you want this to work portably, don't set any stdio argument to PIPE
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	137 def call(args, *kwargs):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	138 global last_rusage
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	139 bury_child.case = case = kwargs.pop('case')
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	140 read, write = os.pipe()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	141 fcntl(write, F_SETFD, fcntl(write, F_GETFD) \| FD_CLOEXEC)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	142 def preexec_fn():
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	143 os.close(read)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	144 if setrlimit and case.maxmemory:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	145 maxmemory = ceil(case.maxmemory * 1048576)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	146 setrlimit(RLIMIT_AS, (maxmemory, maxmemory))
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	147 # I would also set a CPU time limit but I do not want the time
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	148 # passing between the calls to fork and exec to be counted in
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	149 os.write(write, pickle.dumps((clock(), cpuclock()), 1))
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	150 kwargs['preexec_fn'] = preexec_fn
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	151 # So how the hell do I actually make use of pass_fds?
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	152 # On 3.1-, calling Popen with pass_fds prints an exception
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	153 # from Popen.__del__ to stderr. On 3.2, Popen without close_fds
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	154 # or pass_fds creates a child and fails but that of course
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	155 # generates a SIGCHLD, which causes problems, and I have
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	156 # no process ID to wait upon to negate the changes made
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	157 # by the SIGCHLD handler.
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	158 kwargs['close_fds'] = False
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	159 old_rusage = getrusage(RUSAGE_CHILDREN)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	160 last_rusage = None
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	161 while True:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	162 try:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	163 os.read(sigchld_pipe_read, 512)
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	164 except OSError:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	165 if sys.exc_info()[1].errno == EAGAIN:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	166 break
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	167 else:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	168 raise
124 19c42a3cd962 Very fast testees no longer break Popen on some UNIX systems on Python 2.6+ Oleg Oshmyan <chortos@inbox.lv> parents: 123 diff changeset	169 siginterrupt(SIGCHLD, False)
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	170 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	171 case.process = Popen(args, *kwargs)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	172 except OSError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	173 os.close(read)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	174 raise testcases.CannotStartTestee(sys.exc_info()[1])
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	175 finally:
124 19c42a3cd962 Very fast testees no longer break Popen on some UNIX systems on Python 2.6+ Oleg Oshmyan <chortos@inbox.lv> parents: 123 diff changeset	176 siginterrupt(SIGCHLD, True)
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	177 os.close(write)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	178 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	179 if not catch_escape:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	180 if case.maxwalltime:
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	181 try:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	182 select((sigchld_pipe_read,), (), (), case.maxwalltime)
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	183 except SelectError:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	184 if sys.exc_info()[1].args[0] != EINTR:
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	185 raise
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	186 if case.process.poll() is None:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	187 raise testcases.WallTimeLimitExceeded
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	188 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	189 case.process.wait()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	190 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	191 if not case.maxwalltime:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	192 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	193 while case.process.poll() is None:
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	194 s = select((sys.stdin, sigchld_pipe_read), (), ())
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	195 if (s[0] == [sys.stdin] and
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	196 sys.stdin.read(1) == '\33'):
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	197 raise testcases.CanceledByUser
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	198 except (SelectError, IOError):
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	199 if sys.exc_info()[1].args[0] != EINTR:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	200 raise
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	201 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	202 case.process.poll()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	203 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	204 time_end = clock() + case.maxwalltime
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	205 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	206 while case.process.poll() is None:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	207 remaining = time_end - clock()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	208 if remaining > 0:
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	209 s = select((sys.stdin, sigchld_pipe_read),
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	210 (), (), remaining)
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	211 if (s[0] == [sys.stdin] and
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	212 sys.stdin.read(1) == '\33'):
16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	213 raise testcases.CanceledByUser
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	214 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	215 raise testcases.WallTimeLimitExceeded
118 16fe21d6582e Fixed a few race conditions in unix.call triggered by very fast testees Oleg Oshmyan <chortos@inbox.lv> parents: 108 diff changeset	216 except (SelectError, IOError):
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	217 if sys.exc_info()[1].args[0] != EINTR:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	218 raise
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	219 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	220 case.process.poll()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	221 finally:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	222 case.time_started, cpustart = pickle.loads(os.read(read, 512))
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	223 os.close(read)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	224 del bury_child.case
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	225 new_rusage = getrusage(RUSAGE_CHILDREN)
119 0b265fe9c81f Wall-clock time limit is now enforced on the output wall-clock time Oleg Oshmyan <chortos@inbox.lv> parents: 118 diff changeset	226 if (case.maxwalltime and
0b265fe9c81f Wall-clock time limit is now enforced on the output wall-clock time Oleg Oshmyan <chortos@inbox.lv> parents: 118 diff changeset	227 case.time_stopped - case.time_started > case.maxwalltime):
0b265fe9c81f Wall-clock time limit is now enforced on the output wall-clock time Oleg Oshmyan <chortos@inbox.lv> parents: 118 diff changeset	228 raise testcases.WallTimeLimitExceeded
123 90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	229 if new_rusage:
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	230 time_started = old_rusage.ru_utime + old_rusage.ru_stime + cpustart
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	231 time_stopped = new_rusage.ru_utime + new_rusage.ru_stime
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	232 # Yes, this actually happens
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	233 if time_started > time_stopped:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	234 time_started = time_stopped
123 90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	235 if case.maxcputime or not case.maxwalltime:
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	236 case.time_started = time_started
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	237 case.time_stopped = time_stopped
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	238 case.time_limit_string = case.cpu_time_limit_string
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	239 if (case.maxcputime and
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	240 time_stopped - time_started > case.maxcputime):
90c002c960cb Fixed CPU time display on UNIX Oleg Oshmyan <chortos@inbox.lv> parents: 119 diff changeset	241 raise testcases.CPUTimeLimitExceeded
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	242 if case.maxmemory:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	243 if sys.platform != 'darwin':
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	244 maxrss = case.maxmemory * 1024
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	245 else:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	246 maxrss = case.maxmemory * 1048576
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	247 if last_rusage and last_rusage.ru_maxrss > maxrss:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	248 raise testcases.MemoryLimitExceeded
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	249 elif (new_rusage and
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	250 new_rusage.ru_maxrss > old_rusage.ru_maxrss and
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	251 new_rusage.ru_maxrss > maxrss):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	252 raise testcases.MemoryLimitExceeded
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	253
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	254 # Emulate memory limits on platforms compatible with 4.3BSD but not XSI
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	255 # I say 'emulate' because the OS will allow excessive memory usage
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	256 # anyway; Upreckon will just treat the test case as not passed.
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	257 # To do this, we not only require os.wait4 to be present but also
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	258 # assume things about the implementation of subprocess.Popen.
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	259 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	260 def waitpid_emu(pid, options, _wait4=os.wait4):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	261 global last_rusage
127 f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	262 while True:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	263 try:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	264 pid, status, last_rusage = _wait4(pid, options)
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	265 except OSError:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	266 if sys.exc_info()[1].errno != EINTR:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	267 raise
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	268 else:
f5b8a0c0e3cb Multiple bug fixes in the unix module Oleg Oshmyan <chortos@inbox.lv> parents: 126 diff changeset	269 break
82 06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	270 return pid, status
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	271 _waitpid = os.waitpid
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	272 os.waitpid = waitpid_emu
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	273 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	274 defaults = Popen._internal_poll.__func__.__defaults__
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	275 except AttributeError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	276 # Python 2.5
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	277 defaults = Popen._internal_poll.im_func.func_defaults
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	278 i = defaults.index(_waitpid)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	279 defaults = defaults[:i] + (waitpid_emu,) + defaults[i+1:]
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	280 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	281 Popen._internal_poll.__func__.__defaults__ = defaults
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	282 except AttributeError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	283 # Python 2.5 again
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	284 Popen._internal_poll.im_func.func_defaults = defaults
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	285 except (AttributeError, ValueError):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	286 pass
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	287
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	288
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	289 def kill(process):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	290 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	291 process.kill()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	292 except AttributeError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	293 os.kill(process.pid, SIGKILL)
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	294
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	295
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	296 def terminate(process):
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	297 try:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	298 process.terminate()
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	299 except AttributeError:
06356af50bf9 Finished testcases reorganization and CPU time limit implementation Oleg Oshmyan <chortos@inbox.lv> parents: diff changeset	300 os.kill(process.pid, SIGTERM)

Mercurial > ~astiob > upreckon > hgweb

annotate unix.py @ 127:f5b8a0c0e3cb