diff options
Diffstat (limited to 'sysdeps/pthread/tst-join5.c')
| -rw-r--r-- | sysdeps/pthread/tst-join5.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/sysdeps/pthread/tst-join5.c b/sysdeps/pthread/tst-join5.c new file mode 100644 index 0000000000..acdc365c05 --- /dev/null +++ b/sysdeps/pthread/tst-join5.c @@ -0,0 +1,191 @@ +/* Copyright (C) 2003-2020 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 + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> +#include <unistd.h> + +#include <support/check.h> +#include <support/timespec.h> +#include <support/xthread.h> +#include <support/xtime.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 int +thread_join (pthread_t thread, void **retval) +{ +#if defined USE_PTHREAD_TIMEDJOIN_NP + const struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME), + make_timespec (1000, 0)); + return pthread_timedjoin_np (thread, retval, &ts); +#elif defined USE_PTHREAD_CLOCKJOIN_NP_REALTIME + const struct timespec ts = timespec_add (xclock_now (CLOCK_REALTIME), + make_timespec (1000, 0)); + return pthread_clockjoin_np (thread, retval, CLOCK_REALTIME, &ts); +#elif defined USE_PTHREAD_CLOCKJOIN_NP_MONOTONIC + const struct timespec ts = timespec_add (xclock_now (CLOCK_MONOTONIC), + make_timespec (1000, 0)); + return pthread_clockjoin_np (thread, retval, CLOCK_MONOTONIC, &ts); +#else + return pthread_join (thread, retval); +#endif +} + + +static void * +tf1 (void *arg) +{ +#ifdef WAIT_IN_CHILD + xpthread_barrier_wait (&b); + + wait_code (); +#endif + + thread_join ((pthread_t) arg, NULL); + + exit (42); +} + + +static void * +tf2 (void *arg) +{ +#ifdef WAIT_IN_CHILD + xpthread_barrier_wait (&b); + + wait_code (); +#endif + + thread_join ((pthread_t) arg, NULL); + + exit (43); +} + + +static int +do_test (void) +{ +#ifdef WAIT_IN_CHILD + xpthread_barrier_init (&b, NULL, 2); +#endif + + pthread_t th; + + int err = thread_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; + } + + th = xpthread_create (NULL, tf1, (void *) pthread_self ()); + +#ifndef WAIT_IN_CHILD + wait_code (); +#endif + + xpthread_cancel (th); + +#ifdef WAIT_IN_CHILD + xpthread_barrier_wait (&b); +#endif + + void *r; + err = thread_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 = thread_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; + } + + th = xpthread_create (NULL, tf2, (void *) pthread_self ()); + +#ifndef WAIT_IN_CHILD + wait_code (); +#endif + + xpthread_cancel (th); + +#ifdef WAIT_IN_CHILD + xpthread_barrier_wait (&b); +#endif + + if (thread_join (th, &r) != 0) + { + puts ("cannot join 2nd thread"); + return 1; + } + if (r != PTHREAD_CANCELED) + { + puts ("2nd thread not canceled"); + return 1; + } + + err = thread_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; +} + +#include <support/test-driver.c> |