diff options
Diffstat (limited to 'REORG.TODO/nptl/tst-join5.c')
| -rw-r--r-- | REORG.TODO/nptl/tst-join5.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/tst-join5.c b/REORG.TODO/nptl/tst-join5.c new file mode 100644 index 0000000000..7a9fa750fe --- /dev/null +++ b/REORG.TODO/nptl/tst-join5.c @@ -0,0 +1,207 @@ +/* Copyright (C) 2003-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + + +static void +wait_code (void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 200000000 }; + while (nanosleep (&ts, &ts) < 0) + ; +} + + +#ifdef WAIT_IN_CHILD +static pthread_barrier_t b; +#endif + + +static void * +tf1 (void *arg) +{ +#ifdef WAIT_IN_CHILD + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __func__); + exit (1); + } + + wait_code (); +#endif + + pthread_join ((pthread_t) arg, NULL); + + exit (42); +} + + +static void * +tf2 (void *arg) +{ +#ifdef WAIT_IN_CHILD + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __func__); + exit (1); + } + + wait_code (); +#endif + pthread_join ((pthread_t) arg, NULL); + + exit (43); +} + + +static int +do_test (void) +{ +#ifdef WAIT_IN_CHILD + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier_init failed"); + return 1; + } +#endif + + pthread_t th; + + int err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("1st circular join succeeded"); + return 1; + } + if (err != EDEADLK) + { + printf ("1st circular join %d, not EDEADLK\n", err); + return 1; + } + + if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0) + { + puts ("1st create failed"); + return 1; + } + +#ifndef WAIT_IN_CHILD + wait_code (); +#endif + + if (pthread_cancel (th) != 0) + { + puts ("cannot cancel 1st thread"); + return 1; + } + +#ifdef WAIT_IN_CHILD + int e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __func__); + return 1; + } +#endif + + void *r; + err = pthread_join (th, &r); + if (err != 0) + { + printf ("cannot join 1st thread: %d\n", err); + return 1; + } + if (r != PTHREAD_CANCELED) + { + puts ("1st thread not canceled"); + return 1; + } + + err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("2nd circular join succeeded"); + return 1; + } + if (err != EDEADLK) + { + printf ("2nd circular join %d, not EDEADLK\n", err); + return 1; + } + + if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0) + { + puts ("2nd create failed"); + return 1; + } + +#ifndef WAIT_IN_CHILD + wait_code (); +#endif + + if (pthread_cancel (th) != 0) + { + puts ("cannot cancel 2nd thread"); + return 1; + } + +#ifdef WAIT_IN_CHILD + e = pthread_barrier_wait (&b); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __func__); + return 1; + } +#endif + + if (pthread_join (th, &r) != 0) + { + puts ("cannot join 2nd thread"); + return 1; + } + if (r != PTHREAD_CANCELED) + { + puts ("2nd thread not canceled"); + return 1; + } + + err = pthread_join (pthread_self (), NULL); + if (err == 0) + { + puts ("3rd circular join succeeded"); + return 1; + } + if (err != EDEADLK) + { + printf ("3rd circular join %d, not EDEADLK\n", err); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |