upstream/ipython Files · examples/tests/heartbeat/hb_gil.py

move ipython command line logic to one place...

move ipython command line logic to one place it keeps getting repeated, more elegant to move it out into the call

Brian Granger - - Load All Authors

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             hb_gil.py
        
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      """

      Run this script in the qtconsole with one of:

          %load hb_gil.py

      or

          %run hb_gil.py

      Holding the GIL for too long could disrupt the heartbeat.

      See Issue #1260: https://github.com/ipython/ipython/issues/1260

      """

      import sys

      import time

      from cython import inline

      def gilsleep(t):

          """gil-holding sleep with cython.inline"""

          code = '\n'.join([

              'from posix cimport unistd',

              'unistd.sleep(t)',

          ])

          while True:

              inline(code, quiet=True, t=t)

              print(time.time())

              sys.stdout.flush() # this is important

      gilsleep(5)

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				"""
				Run this script in the qtconsole with one of:

				%load hb_gil.py

				or
				%run hb_gil.py

				Holding the GIL for too long could disrupt the heartbeat.

				See Issue #1260: https://github.com/ipython/ipython/issues/1260

				"""

				import sys
				import time

				from cython import inline

				def gilsleep(t):
				"""gil-holding sleep with cython.inline"""
				code = '\n'.join([
				'from posix cimport unistd',
				'unistd.sleep(t)',
				])
				while True:
				inline(code, quiet=True, t=t)
				print(time.time())
				sys.stdout.flush() # this is important

				gilsleep(5)