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Diffstat (limited to 'pretty-printers/test-mutex-printer.py')
-rw-r--r-- | pretty-printers/test-mutex-printer.py | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/pretty-printers/test-mutex-printer.py b/pretty-printers/test-mutex-printer.py new file mode 100644 index 0000000000..44f4a488b1 --- /dev/null +++ b/pretty-printers/test-mutex-printer.py @@ -0,0 +1,92 @@ +# Tests for the MutexPrinter class. +# +# Copyright (C) 2016 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_common import * + +test_source = sys.argv[1] +test_bin = sys.argv[2] +result = PASS + +try: + init_test(test_bin) + 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': 'Unlocked'}) + next_cmd() + thread_id = get_current_thread_lwpid() + test_printer(var, to_string, {'Status': 'Locked, possibly with no waiters', + 'Owner ID': thread_id}) + + break_at(test_source, 'Test status (robust)') + continue_cmd() # Go to test_status_robust + test_printer(var, to_string, {'Status': 'Unlocked'}) + + # 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': 'Unlocked', + '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 locked recursively': '2'}) + next_cmd() + test_printer(var, to_string, {'Times locked recursively': '3'}) + continue_cmd() # Exit + +except (NoLineError, pexpect.TIMEOUT) as exception: + print('Error: {0}'.format(exception)) + result = FAIL + +exit(result) |