Mercurial > cpython-lru_cache-weakref

annotate Lib/multiprocessing/__init__.py @ 78069:a8aa77458e12 3.2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents e19ccbbe70dd
children bf536b46d7f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
1 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
2 # Package analogous to 'threading.py' but using processes
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
3 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
4 # multiprocessing/__init__.py
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
5 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
6 # This package is intended to duplicate the functionality (and much of
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
7 # the API) of threading.py but uses processes instead of threads. A
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
8 # subpackage 'multiprocessing.dummy' has the same API but is a simple
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
9 # wrapper for 'threading'.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
10 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
11 # Try calling `multiprocessing.doc.main()` to read the html
72985
e19ccbbe70dd Remove duplication.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 68594
diff changeset
12 # documentation in a webbrowser.
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
13 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
14 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
15 # Copyright (c) 2006-2008, R Oudkerk
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
16 # All rights reserved.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
17 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
18 # Redistribution and use in source and binary forms, with or without
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
19 # modification, are permitted provided that the following conditions
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
20 # are met:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
21 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
22 # 1. Redistributions of source code must retain the above copyright
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
23 # notice, this list of conditions and the following disclaimer.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
24 # 2. Redistributions in binary form must reproduce the above copyright
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
25 # notice, this list of conditions and the following disclaimer in the
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
26 # documentation and/or other materials provided with the distribution.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
27 # 3. Neither the name of author nor the names of any contributors may be
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
28 # used to endorse or promote products derived from this software
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
29 # without specific prior written permission.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
30 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
31 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
32 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
33 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
34 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
35 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
36 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
37 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
38 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
39 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
40 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66886
71fb03274a89 Merged revisions 87225 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 65855
diff changeset
41 # SUCH DAMAGE.
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
42 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
43
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
44 __version__ = '0.70a1'
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
45
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
46 __all__ = [
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
47 'Process', 'current_process', 'active_children', 'freeze_support',
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
48 'Manager', 'Pipe', 'cpu_count', 'log_to_stderr', 'get_logger',
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
49 'allow_connection_pickling', 'BufferTooShort', 'TimeoutError',
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
50 'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Condition',
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
51 'Event', 'Queue', 'JoinableQueue', 'Pool', 'Value', 'Array',
51024
4e8f28b3ea0a merge r68915 to py3k
Jesse Noller <jnoller@gmail.com>
parents: 49908
diff changeset
52 'RawValue', 'RawArray', 'SUBDEBUG', 'SUBWARNING',
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
53 ]
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
54
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
55 __author__ = 'R. Oudkerk (r.m.oudkerk@gmail.com)'
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
56
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
57 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
58 # Imports
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
59 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
60
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
61 import os
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
62 import sys
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
63
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
64 from multiprocessing.process import Process, current_process, active_children
51024
4e8f28b3ea0a merge r68915 to py3k
Jesse Noller <jnoller@gmail.com>
parents: 49908
diff changeset
65 from multiprocessing.util import SUBDEBUG, SUBWARNING
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
66
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
67 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
68 # Exceptions
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
69 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
70
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
71 class ProcessError(Exception):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
72 pass
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
73
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
74 class BufferTooShort(ProcessError):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
75 pass
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
76
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
77 class TimeoutError(ProcessError):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
78 pass
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
79
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
80 class AuthenticationError(ProcessError):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
81 pass
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
82
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
83 import _multiprocessing
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
84
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
85 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
86 # Definitions not depending on native semaphores
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
87 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
88
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
89 def Manager():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
90 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
91 Returns a manager associated with a running server process
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
92
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
93 The managers methods such as `Lock()`, `Condition()` and `Queue()`
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
94 can be used to create shared objects.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
95 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
96 from multiprocessing.managers import SyncManager
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
97 m = SyncManager()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
98 m.start()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
99 return m
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
100
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
101 def Pipe(duplex=True):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
102 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
103 Returns two connection object connected by a pipe
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
104 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
105 from multiprocessing.connection import Pipe
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
106 return Pipe(duplex)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
107
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
108 def cpu_count():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
109 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
110 Returns the number of CPUs in the system
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
111 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
112 if sys.platform == 'win32':
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
113 try:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
114 num = int(os.environ['NUMBER_OF_PROCESSORS'])
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
115 except (ValueError, KeyError):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
116 num = 0
49908
ed8adfef26c6 Merged revisions 67348,67355,67359,67362,67364-67365,67367-67368,67398,67423-67424,67432,67440-67441,67444-67445,67454-67455,67457-67458 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 47595
diff changeset
117 elif 'bsd' in sys.platform or sys.platform == 'darwin':
68593
c394f2d42ff8 Issue #11569: use absolute path to the sysctl command in multiprocessing to
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 66886
diff changeset
118 comm = '/sbin/sysctl -n hw.ncpu'
c394f2d42ff8 Issue #11569: use absolute path to the sysctl command in multiprocessing to
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 66886
diff changeset
119 if sys.platform == 'darwin':
c394f2d42ff8 Issue #11569: use absolute path to the sysctl command in multiprocessing to
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 66886
diff changeset
120 comm = '/usr' + comm
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
121 try:
68593
c394f2d42ff8 Issue #11569: use absolute path to the sysctl command in multiprocessing to
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 66886
diff changeset
122 with os.popen(comm) as p:
65855
ba2ae097f567 Merged revisions 86077 via svnmerge from
Brian Curtin <brian.curtin@gmail.com>
parents: 51024
diff changeset
123 num = int(p.read())
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
124 except ValueError:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
125 num = 0
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
126 else:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
127 try:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
128 num = os.sysconf('SC_NPROCESSORS_ONLN')
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
129 except (ValueError, OSError, AttributeError):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
130 num = 0
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
131
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
132 if num >= 1:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
133 return num
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
134 else:
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
135 raise NotImplementedError('cannot determine number of cpus')
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
136
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
137 def freeze_support():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
138 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
139 Check whether this is a fake forked process in a frozen executable.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
140 If so then run code specified by commandline and exit.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
141 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
142 if sys.platform == 'win32' and getattr(sys, 'frozen', False):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
143 from multiprocessing.forking import freeze_support
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
144 freeze_support()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
145
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
146 def get_logger():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
147 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
148 Return package logger -- if it does not already exist then it is created
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
149 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
150 from multiprocessing.util import get_logger
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
151 return get_logger()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
152
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
153 def log_to_stderr(level=None):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
154 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
155 Turn on logging and add a handler which prints to stderr
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
156 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
157 from multiprocessing.util import log_to_stderr
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
158 return log_to_stderr(level)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
159
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
160 def allow_connection_pickling():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
161 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
162 Install support for sending connections and sockets between processes
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
163 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
164 from multiprocessing import reduction
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
165
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
166 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
167 # Definitions depending on native semaphores
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
168 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
169
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
170 def Lock():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
171 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
172 Returns a non-recursive lock object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
173 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
174 from multiprocessing.synchronize import Lock
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
175 return Lock()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
176
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
177 def RLock():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
178 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
179 Returns a recursive lock object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
180 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
181 from multiprocessing.synchronize import RLock
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
182 return RLock()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
183
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
184 def Condition(lock=None):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
185 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
186 Returns a condition object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
187 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
188 from multiprocessing.synchronize import Condition
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
189 return Condition(lock)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
190
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
191 def Semaphore(value=1):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
192 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
193 Returns a semaphore object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
194 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
195 from multiprocessing.synchronize import Semaphore
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
196 return Semaphore(value)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
197
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
198 def BoundedSemaphore(value=1):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
199 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
200 Returns a bounded semaphore object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
201 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
202 from multiprocessing.synchronize import BoundedSemaphore
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
203 return BoundedSemaphore(value)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
204
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
205 def Event():
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
206 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
207 Returns an event object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
208 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
209 from multiprocessing.synchronize import Event
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
210 return Event()
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
211
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
212 def Queue(maxsize=0):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
213 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
214 Returns a queue object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
215 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
216 from multiprocessing.queues import Queue
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
217 return Queue(maxsize)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
218
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
219 def JoinableQueue(maxsize=0):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
220 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
221 Returns a queue object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
222 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
223 from multiprocessing.queues import JoinableQueue
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
224 return JoinableQueue(maxsize)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
225
58537
7a36ca04742d Merged revisions 77794 via svnmerge from
Jesse Noller <jnoller@gmail.com>
parents: 51024
diff changeset
226 def Pool(processes=None, initializer=None, initargs=(), maxtasksperchild=None):
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
227 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
228 Returns a process pool object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
229 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
230 from multiprocessing.pool import Pool
58537
7a36ca04742d Merged revisions 77794 via svnmerge from
Jesse Noller <jnoller@gmail.com>
parents: 51024
diff changeset
231 return Pool(processes, initializer, initargs, maxtasksperchild)
47595
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
232
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
233 def RawValue(typecode_or_type, *args):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
234 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
235 Returns a shared object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
236 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
237 from multiprocessing.sharedctypes import RawValue
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
238 return RawValue(typecode_or_type, *args)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
239
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
240 def RawArray(typecode_or_type, size_or_initializer):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
241 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
242 Returns a shared array
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
243 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
244 from multiprocessing.sharedctypes import RawArray
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
245 return RawArray(typecode_or_type, size_or_initializer)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
246
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
247 def Value(typecode_or_type, *args, **kwds):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
248 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
249 Returns a synchronized shared object
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
250 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
251 from multiprocessing.sharedctypes import Value
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
252 return Value(typecode_or_type, *args, **kwds)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
253
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
254 def Array(typecode_or_type, size_or_initializer, **kwds):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
255 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
256 Returns a synchronized shared array
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
257 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
258 from multiprocessing.sharedctypes import Array
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
259 return Array(typecode_or_type, size_or_initializer, **kwds)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
260
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
261 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
262 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
263 #
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
264
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
265 if sys.platform == 'win32':
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
266
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
267 def set_executable(executable):
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
268 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
269 Sets the path to a python.exe or pythonw.exe binary used to run
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
270 child processes on Windows instead of sys.executable.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
271 Useful for people embedding Python.
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
272 '''
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
273 from multiprocessing.forking import set_executable
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
274 set_executable(executable)
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
275
5c6cdfcd6eae Merged revisions 64104,64117 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents:
diff changeset
276 __all__ += ['set_executable']