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Improve the deadlock error message

This commit is contained in:
Thomas Nagy 2017-11-11 10:33:20 +01:00
parent 731afed564
commit 96f4eec8ba
1 changed files with 5 additions and 7 deletions
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12
waflib/Runner.py
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@ -213,15 +213,13 @@ class Parallel(object):
pass
else:
if cond:
msg = 'check the build order for the tasks'
for tsk in self.postponed:
if not tsk.run_after:
msg = 'check the methods runnable_status'
break
lst = []
for tsk in self.postponed:
lst.append('%s\t-> %r' % (repr(tsk), [id(x) for x in tsk.run_after]))
raise Errors.WafError('Deadlock detected: %s%s' % (msg, ''.join(lst)))
deps = [id(x) for x in tsk.run_after if not x.hasrun]
lst.append('%s\t-> %r' % (repr(tsk), deps))
if not deps:
lst.append('\n task %r dependencies are done, check its *runnable_status*?' % id(tsk))
raise Errors.WafError('Deadlock detected: check the task build order%s' % ''.join(lst))
self.deadlock = self.processed
if self.postponed: