time sleep -- sleeps thread or process

Question

In Python for  nix  does time sleep   block the thread or the process

User · Answer

It will just sleep the thread except in the case where your application has only a single thread, in which case it will sleep the thread and effectively the process as well.

The python documentation on sleep doesn't specify this however, so I can certainly understand the confusion!

http://docs.python.org/2/library/time.html

User · Answer

It will just sleep the thread except in the case where your application has only a single thread, in which case it will sleep the thread and effectively the process as well.

The python documentation on sleep doesn't specify this however, so I can certainly understand the confusion!

http://docs.python.org/2/library/time.html

User · Answer

It will just sleep the thread except in the case where your application has only a single thread, in which case it will sleep the thread and effectively the process as well.

The python documentation on sleep doesn't specify this however, so I can certainly understand the confusion!

http://docs.python.org/2/library/time.html

User · Answer

Just the thread

User · Answer

Only the thread unless your process has a single thread

User · Answer

Just the thread

User · Answer

The thread will block  but the process is still alive   In a single threaded application  this means everything is blocked while you sleep   In a multithreaded application  only the thread you explicitly  sleep  will block and the other threads still run within the process

User · Answer

it blocks a thread if it is executed in the same thread not if it is executed from the main code

User · Answer

it blocks a thread if it is executed in the same thread not if it is executed from the main code

User · Answer

It blocks the thread   If you look in Modules timemodule c in the Python source  you ll see that in the call to floatsleep    the substantive part of the sleep operation is wrapped in a Py BEGIN ALLOW THREADS and Py END ALLOW THREADS block  allowing other threads to continue to execute while the current one sleeps   You can also test this with a simple python program   import time from threading import Thread  class worker Thread       def run self           for x in xrange 0 11               print x             time sleep 1   class waiter Thread       def run self           for x in xrange 100 103               print x             time sleep 5   def run        worker   start       waiter   start     Which will print    gt  gt  gt  thread test run   0 100  gt  gt  gt  1 2 3 4 5 101 6 7 8 9 10 102

User · Answer

The thread will block  but the process is still alive   In a single threaded application  this means everything is blocked while you sleep   In a multithreaded application  only the thread you explicitly  sleep  will block and the other threads still run within the process

User · Answer

It blocks the thread   If you look in Modules timemodule c in the Python source  you ll see that in the call to floatsleep    the substantive part of the sleep operation is wrapped in a Py BEGIN ALLOW THREADS and Py END ALLOW THREADS block  allowing other threads to continue to execute while the current one sleeps   You can also test this with a simple python program   import time from threading import Thread  class worker Thread       def run self           for x in xrange 0 11               print x             time sleep 1   class waiter Thread       def run self           for x in xrange 100 103               print x             time sleep 5   def run        worker   start       waiter   start     Which will print    gt  gt  gt  thread test run   0 100  gt  gt  gt  1 2 3 4 5 101 6 7 8 9 10 102

User · Answer

Only the thread unless your process has a single thread

User · Answer

It blocks the thread   If you look in Modules timemodule c in the Python source  you ll see that in the call to floatsleep    the substantive part of the sleep operation is wrapped in a Py BEGIN ALLOW THREADS and Py END ALLOW THREADS block  allowing other threads to continue to execute while the current one sleeps   You can also test this with a simple python program   import time from threading import Thread  class worker Thread       def run self           for x in xrange 0 11               print x             time sleep 1   class waiter Thread       def run self           for x in xrange 100 103               print x             time sleep 5   def run        worker   start       waiter   start     Which will print    gt  gt  gt  thread test run   0 100  gt  gt  gt  1 2 3 4 5 101 6 7 8 9 10 102

User · Answer

Process is not runnable by itself  In regard to execution  process is just a container for threads  Meaning you can t pause the process at all  It is simply not applicable to process

User · Answer

It blocks the thread   If you look in Modules timemodule c in the Python source  you ll see that in the call to floatsleep    the substantive part of the sleep operation is wrapped in a Py BEGIN ALLOW THREADS and Py END ALLOW THREADS block  allowing other threads to continue to execute while the current one sleeps   You can also test this with a simple python program   import time from threading import Thread  class worker Thread       def run self           for x in xrange 0 11               print x             time sleep 1   class waiter Thread       def run self           for x in xrange 100 103               print x             time sleep 5   def run        worker   start       waiter   start     Which will print    gt  gt  gt  thread test run   0 100  gt  gt  gt  1 2 3 4 5 101 6 7 8 9 10 102

User · Answer

Process is not runnable by itself  In regard to execution  process is just a container for threads  Meaning you can t pause the process at all  It is simply not applicable to process

User · Answer

The thread will block  but the process is still alive   In a single threaded application  this means everything is blocked while you sleep   In a multithreaded application  only the thread you explicitly  sleep  will block and the other threads still run within the process

User · Answer

Just the thread

User · Answer

It will just sleep the thread except in the case where your application has only a single thread, in which case it will sleep the thread and effectively the process as well.

The python documentation on sleep doesn't specify this however, so I can certainly understand the confusion!

http://docs.python.org/2/library/time.html

User · Answer

Just the thread

User · Answer

The thread will block  but the process is still alive   In a single threaded application  this means everything is blocked while you sleep   In a multithreaded application  only the thread you explicitly  sleep  will block and the other threads still run within the process

[python] time.sleep -- sleeps thread or process?

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