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Diffstat (limited to 'libstdc++-v3/testsuite/thread/guard.cc')
-rw-r--r-- | libstdc++-v3/testsuite/thread/guard.cc | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/libstdc++-v3/testsuite/thread/guard.cc b/libstdc++-v3/testsuite/thread/guard.cc deleted file mode 100644 index a509321..0000000 --- a/libstdc++-v3/testsuite/thread/guard.cc +++ /dev/null @@ -1,66 +0,0 @@ -// -// Copyright (C) 2007, 2008 Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 2, or (at your option) -// any later version. -// -// This 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 General Public License for more details. -// -// You should have received a copy of the GNU General Public License along -// with this library; see the file COPYING. If not, write to the Free -// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, -// USA. - -// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* } } -// { dg-options "-pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-darwin* alpha*-*-osf* } } - -#include <cstdlib> -#include <pthread.h> - -// This used to deadlock with the old libstdc++ because there is only one -// global mutex guarding initialization of statics and it is held during by -// the initializer thread of a static until the variable is completely -// initialized. If the initializer thread creates and waits for another thread -// which also initializes a static variable, there will be a deadlock because -// the first thread is holding the mutex and waiting for the second thread, -// which is blocked when it is acquiring the mutex. - -int -get_bar (void) -{ - return 1; -} - -void* -do_something (void *arg) -{ - static int bar __attribute__((unused)) = get_bar (); - return NULL; -} - -int -get_foo (void) -{ - pthread_t new_thread; - - if (pthread_create (&new_thread, NULL, do_something, NULL) != 0) - std::abort (); - - if (pthread_join (new_thread, NULL) != 0) - std::abort (); - - return 1; -} - -int -main (int argc, char **argv) -{ - static int foo __attribute__((unused)) = get_foo (); - return 0; -} |