upstream/mercurial-mirror Files · contrib/showstack.py

copies-rust: pre-introduce a PathToken type and use it where applicable...

copies-rust: pre-introduce a PathToken type and use it where applicable Handling string all the time is quite slow. So we are about to use more efficient "token". We do some of the churn early to clarify the next changesets. Differential Revision: https://phab.mercurial-scm.org/D9492

Augie Fackler - - Load All Authors

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      # showstack.py - extension to dump a Python stack trace on signal

      #

      # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)

      r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)

      """

      from __future__ import absolute_import, print_function

      import signal

      import sys

      import traceback

      def sigshow(*args):

          sys.stderr.write("\n")

          traceback.print_stack(args[1], limit=10, file=sys.stderr)

          sys.stderr.write("----\n")

      def sigexit(*args):

          sigshow(*args)

          print('alarm!')

          sys.exit(1)

      def extsetup(ui):

          signal.signal(signal.SIGQUIT, sigshow)

          signal.signal(signal.SIGALRM, sigexit)

          try:

              signal.signal(signal.SIGINFO, sigshow)

          except AttributeError:

              pass

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				# showstack.py - extension to dump a Python stack trace on signal
				#
				# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
				r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
				"""

				from __future__ import absolute_import, print_function
				import signal
				import sys
				import traceback


				def sigshow(*args):
				sys.stderr.write("\n")
				traceback.print_stack(args[1], limit=10, file=sys.stderr)
				sys.stderr.write("----\n")


				def sigexit(*args):
				sigshow(*args)
				print('alarm!')
				sys.exit(1)


				def extsetup(ui):
				signal.signal(signal.SIGQUIT, sigshow)
				signal.signal(signal.SIGALRM, sigexit)
				try:
				signal.signal(signal.SIGINFO, sigshow)
				except AttributeError:
				pass