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-rw-r--r--nptl/test-mutex-printers.py100
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diff --git a/nptl/test-mutex-printers.py b/nptl/test-mutex-printers.py
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-# Tests for the MutexPrinter class.
-#
-# Copyright (C) 2016-2017 Free Software Foundation, Inc.
-# This file is part of the GNU C Library.
-#
-# The GNU C Library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 of the License, or (at your option) any later version.
-#
-# The GNU C Library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with the GNU C Library; if not, see
-# <http://www.gnu.org/licenses/>.
-
-import sys
-
-from test_printers_common import *
-
-test_source = sys.argv[1]
-test_bin = sys.argv[2]
-printer_files = sys.argv[3:]
-printer_names = ['global glibc-pthread-locks']
-
-try:
- init_test(test_bin, printer_files, printer_names)
- go_to_main()
-
- var = 'mutex'
- to_string = 'pthread_mutex_t'
-
- break_at(test_source, 'Test status (destroyed)')
- continue_cmd() # Go to test_status_destroyed
- test_printer(var, to_string, {'Status': 'Destroyed'})
-
- break_at(test_source, 'Test status (non-robust)')
- continue_cmd() # Go to test_status_no_robust
- test_printer(var, to_string, {'Status': 'Not acquired'})
- next_cmd()
- thread_id = get_current_thread_lwpid()
- # Owner ID might be reported either as the thread ID or as "Unknown"
- # (if e.g. lock elision is enabled).
- test_printer(var, to_string,
- {'Status': 'Acquired, possibly with no waiters',
- 'Owner ID': r'({0}|Unknown)'.format(thread_id)})
-
- break_at(test_source, 'Test status (robust)')
- continue_cmd() # Go to test_status_robust
- test_printer(var, to_string, {'Status': 'Not acquired'})
-
- # We'll now test the robust mutex locking states. We'll create a new
- # thread that will lock a robust mutex and exit without unlocking it.
- break_at(test_source, 'Create')
- continue_cmd() # Go to test_locking_state_robust
- # Set a breakpoint for the new thread to hit.
- break_at(test_source, 'Thread function')
- continue_cmd()
- # By now the new thread is created and has hit its breakpoint.
- set_scheduler_locking(True)
- parent = 1
- child = 2
- select_thread(child)
- child_id = get_current_thread_lwpid()
- # We've got the new thread's ID.
- select_thread(parent)
- # Make the new thread finish its function while we wait.
- continue_cmd(thread=child)
- # The new thread should be dead by now.
- break_at(test_source, 'Test locking (robust)')
- continue_cmd()
- test_printer(var, to_string, {'Owner ID': r'{0} \(dead\)'.format(child_id)})
- # Try to lock and unlock the mutex.
- next_cmd()
- test_printer(var, to_string, {'Owner ID': thread_id,
- 'State protected by this mutex': 'Inconsistent'})
- next_cmd()
- test_printer(var, to_string, {'Status': 'Not acquired',
- 'State protected by this mutex': 'Not recoverable'})
- set_scheduler_locking(False)
-
- break_at(test_source, 'Test recursive locks')
- continue_cmd() # Go to test_recursive_locks
- test_printer(var, to_string, {'Times acquired by the owner': '2'})
- next_cmd()
- test_printer(var, to_string, {'Times acquired by the owner': '3'})
- continue_cmd() # Exit
-
-except (NoLineError, pexpect.TIMEOUT) as exception:
- print('Error: {0}'.format(exception))
- result = FAIL
-
-else:
- print('Test succeeded.')
- result = PASS
-
-exit(result)