Commit 480d374e596a0ee3fed168ab42cd84c313ad3c89
2016-12-24T18:21:59
lock test: Fix performance problem on multi-core machines. * tests/test-lock.c (USE_VOLATILE): New macro. (struct atomic_int): New type. (init_atomic_int, get_atomic_int_value, set_atomic_int_value): New functions. (lock_checker_done, rwlock_checker_done, reclock_checker_done): Define as 'struct atomic_int'. (lock_checker_thread, test_lock, rwlock_checker_thread, test_rwlock, reclock_checker_thread, test_recursive_lock): Use the new functions. Reported by Eric Blake in https://www.redhat.com/archives/libvir-list/2012-March/msg00854.html and by Pádraig Brady in http://lists.gnu.org/archive/html/bug-gnulib/2016-12/msg00117.html.