Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
C
cpython
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
cpython
Commits
692130a2
Commit
692130a2
authored
May 25, 2012
by
Richard Oudkerk
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Issue #12091: simplify ApplyResult and MapResult with threading.Event
Patch by Charles-François Natali
parent
be39cfc9
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
9 additions
and
30 deletions
+9
-30
Lib/multiprocessing/pool.py
Lib/multiprocessing/pool.py
+9
-30
No files found.
Lib/multiprocessing/pool.py
View file @
692130a2
...
...
@@ -526,32 +526,26 @@ class Pool(object):
class
ApplyResult
(
object
):
def
__init__
(
self
,
cache
,
callback
,
error_callback
):
self
.
_
cond
=
threading
.
Condition
(
threading
.
Lock
()
)
self
.
_
event
=
threading
.
Event
(
)
self
.
_job
=
next
(
job_counter
)
self
.
_cache
=
cache
self
.
_ready
=
False
self
.
_callback
=
callback
self
.
_error_callback
=
error_callback
cache
[
self
.
_job
]
=
self
def
ready
(
self
):
return
self
.
_
ready
return
self
.
_
event
.
is_set
()
def
successful
(
self
):
assert
self
.
_ready
assert
self
.
ready
()
return
self
.
_success
def
wait
(
self
,
timeout
=
None
):
self
.
_cond
.
acquire
()
try
:
if
not
self
.
_ready
:
self
.
_cond
.
wait
(
timeout
)
finally
:
self
.
_cond
.
release
()
self
.
_event
.
wait
(
timeout
)
def
get
(
self
,
timeout
=
None
):
self
.
wait
(
timeout
)
if
not
self
.
_ready
:
if
not
self
.
ready
()
:
raise
TimeoutError
if
self
.
_success
:
return
self
.
_value
...
...
@@ -564,12 +558,7 @@ class ApplyResult(object):
self
.
_callback
(
self
.
_value
)
if
self
.
_error_callback
and
not
self
.
_success
:
self
.
_error_callback
(
self
.
_value
)
self
.
_cond
.
acquire
()
try
:
self
.
_ready
=
True
self
.
_cond
.
notify
()
finally
:
self
.
_cond
.
release
()
self
.
_event
.
set
()
del
self
.
_cache
[
self
.
_job
]
#
...
...
@@ -586,7 +575,7 @@ class MapResult(ApplyResult):
self
.
_chunksize
=
chunksize
if
chunksize
<=
0
:
self
.
_number_left
=
0
self
.
_
ready
=
True
self
.
_
event
.
set
()
else
:
self
.
_number_left
=
length
//
chunksize
+
bool
(
length
%
chunksize
)
...
...
@@ -599,24 +588,14 @@ class MapResult(ApplyResult):
if
self
.
_callback
:
self
.
_callback
(
self
.
_value
)
del
self
.
_cache
[
self
.
_job
]
self
.
_cond
.
acquire
()
try
:
self
.
_ready
=
True
self
.
_cond
.
notify
()
finally
:
self
.
_cond
.
release
()
self
.
_event
.
set
()
else
:
self
.
_success
=
False
self
.
_value
=
result
if
self
.
_error_callback
:
self
.
_error_callback
(
self
.
_value
)
del
self
.
_cache
[
self
.
_job
]
self
.
_cond
.
acquire
()
try
:
self
.
_ready
=
True
self
.
_cond
.
notify
()
finally
:
self
.
_cond
.
release
()
self
.
_event
.
set
()
#
# Class whose instances are returned by `Pool.imap()`
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment