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Diffstat (limited to 'sysdeps/pthread/tst-stdio2.c')
-rw-r--r-- | sysdeps/pthread/tst-stdio2.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-stdio2.c b/sysdeps/pthread/tst-stdio2.c new file mode 100644 index 0000000000..343b34ce83 --- /dev/null +++ b/sysdeps/pthread/tst-stdio2.c @@ -0,0 +1,82 @@ +/* Copyright (C) 2002-2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + 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 + <https://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +static int do_test (void); + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" + +static void *tf (void *a) +{ + puts ("start tf"); + + /* Multiple locking, implicitly or explicitly, must be possible. */ + flockfile (stdout); + + puts ("after first flockfile"); + + flockfile (stdout); + + puts ("foo"); + + funlockfile (stdout); + + puts ("after first funlockfile"); + + funlockfile (stdout); + + puts ("all done"); + + return a; +} + + +int +do_test (void) +{ + pthread_t th; + + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + write_message ("create failed\n"); + _exit (1); + } + + void *result; + if (pthread_join (th, &result) != 0) + { + puts ("join failed"); + exit (1); + } + else if (result != NULL) + { + printf ("wrong return value: %p, expected %p\n", result, NULL); + exit (1); + } + + puts ("join returned succsefully"); + + return 0; +} |