diff options
Diffstat (limited to 'nptl/tst-join7mod.c')
-rw-r--r-- | nptl/tst-join7mod.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/nptl/tst-join7mod.c b/nptl/tst-join7mod.c new file mode 100644 index 0000000000..92bb381705 --- /dev/null +++ b/nptl/tst-join7mod.c @@ -0,0 +1,61 @@ +/* Verify that TLS access in separate thread in a dlopened library does not + deadlock - the module. + Copyright (C) 2015 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/>. */ + +#include <stdio.h> +#include <pthread.h> +#include <atomic.h> + +static pthread_t th; +static int running = 1; + +static void * +test_run (void *p) +{ + while (atomic_load_relaxed (&running)) + printf ("Test running\n"); + printf ("Test finished\n"); + return NULL; +} + +static void __attribute__ ((constructor)) +do_init (void) +{ + int ret = pthread_create (&th, NULL, test_run, NULL); + + if (ret != 0) + { + printf ("failed to create thread: %s (%d)\n", strerror (ret), ret); + exit (1); + } +} + +static void __attribute__ ((destructor)) +do_end (void) +{ + atomic_store_relaxed (&running, 0); + int ret = pthread_join (th, NULL); + + if (ret != 0) + { + printf ("pthread_join: %s(%d)\n", strerror (ret), ret); + exit (1); + } + + printf ("Thread joined\n"); +} |