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Diffstat (limited to 'nptl/tst-join5.c')
-rw-r--r-- | nptl/tst-join5.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/nptl/tst-join5.c b/nptl/tst-join5.c new file mode 100644 index 0000000..68c4ac6 --- /dev/null +++ b/nptl/tst-join5.c @@ -0,0 +1,141 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> + + +static void * +tf1 (void *arg) +{ + pthread_join (arg, NULL); + + puts ("1st join returned"); + + return (void *) 1l; +} + + +static void * +tf2 (void *arg) +{ + pthread_join (arg, NULL); + + puts ("2nd join returned"); + + return (void *) 1l; +} + + +static int +do_test (void) +{ + pthread_t th; + + int err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("1st circular join succeeded"); + exit (1); + } + if (err != EDEADLK) + { + printf ("1st circular join %d, not EDEADLK\n", err); + exit (1); + } + + if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0) + { + puts ("1st create failed"); + exit (1); + } + + if (pthread_cancel (th) != 0) + { + puts ("cannot cancel 1st thread"); + exit (1); + } + + void *r; + err = pthread_join (th, &r); + if (err != 0) + { + printf ("cannot join 1st thread: %d\n", err); + exit (1); + } + if (r != PTHREAD_CANCELED) + { + puts ("1st thread not canceled"); + exit (1); + } + + err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("2nd circular join succeeded"); + exit (1); + } + if (err != EDEADLK) + { + printf ("2nd circular join %d, not EDEADLK\n", err); + exit (1); + } + + if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0) + { + puts ("2nd create failed"); + exit (1); + } + + if (pthread_cancel (th) != 0) + { + puts ("cannot cancel 2nd thread"); + exit (1); + } + + if (pthread_join (th, &r) != 0) + { + puts ("cannot join 2nd thread"); + exit (1); + } + if (r != PTHREAD_CANCELED) + { + puts ("2nd thread not canceled"); + exit (1); + } + + err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("2nd circular join succeeded"); + exit (1); + } + if (err != EDEADLK) + { + printf ("2nd circular join %d, not EDEADLK\n", err); + exit (1); + } + + exit (0); +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |