/* Copyright (C) 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2005. 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> static pthread_mutex_t m1; static pthread_mutex_t m2; static pthread_barrier_t b; #ifndef LOCK # define LOCK(m) pthread_mutex_lock (m) #endif static void * tf (void *arg) { long int round = (long int) arg; if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0) { printf ("%ld: setcancelstate failed\n", round); exit (1); } int e = LOCK (&m1); if (e != 0) { printf ("%ld: child: mutex_lock m1 failed with error %d\n", round, e); exit (1); } e = LOCK (&m2); if (e != 0) { printf ("%ld: child: mutex_lock m2 failed with error %d\n", round, e); exit (1); } e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { printf ("%ld: child: 1st barrier_wait failed\n", round); exit (1); } e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { printf ("%ld: child: 2nd barrier_wait failed\n", round); exit (1); } pthread_testcancel (); printf ("%ld: testcancel returned\n", round); exit (1); } static int do_test (void) { #ifdef PREPARE_TMO PREPARE_TMO; #endif pthread_mutexattr_t a; if (pthread_mutexattr_init (&a) != 0) { puts ("mutexattr_init failed"); return 1; } if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0) { puts ("mutexattr_setrobust failed"); return 1; } #ifdef ENABLE_PI if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0) { puts ("pthread_mutexattr_setprotocol failed"); return 1; } else { int e = pthread_mutex_init (&m1, &a); if (e == ENOTSUP) { puts ("PI robust mutexes not supported"); return 0; } else if (e != 0) { puts ("mutex_init m1 failed"); return 1; } pthread_mutex_destroy (&m1); } #endif #ifndef NOT_CONSISTENT if (pthread_mutex_init (&m1, &a) != 0) { puts ("mutex_init m1 failed"); return 1; } if (pthread_mutex_init (&m2, &a) != 0) { puts ("mutex_init m2 failed"); return 1; } #endif if (pthread_barrier_init (&b, NULL, 2) != 0) { puts ("barrier_init failed"); return 1; } for (long int round = 1; round < 5; ++round) { #ifdef NOT_CONSISTENT if (pthread_mutex_init (&m1 , &a) != 0) { puts ("mutex_init m1 failed"); return 1; } if (pthread_mutex_init (&m2 , &a) != 0) { puts ("mutex_init m2 failed"); return 1; } #endif pthread_t th; if (pthread_create (&th, NULL, tf, (void *) round) != 0) { printf ("%ld: create failed\n", round); return 1; } int e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { printf ("%ld: parent: 1st barrier_wait failed\n", round); return 1; } if (pthread_cancel (th) != 0) { printf ("%ld: cancel failed\n", round); return 1; } e = pthread_barrier_wait (&b); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { printf ("%ld: parent: 2nd barrier_wait failed\n", round); return 1; } #ifndef AFTER_JOIN if (round & 1) #endif { void *res; if (pthread_join (th, &res) != 0) { printf ("%ld: join failed\n", round); return 1; } if (res != PTHREAD_CANCELED) { printf ("%ld: thread not canceled\n", round); return 1; } } e = LOCK (&m1); if (e == 0) { printf ("%ld: parent: mutex_lock m1 succeeded\n", round); return 1; } if (e != EOWNERDEAD) { printf ("%ld: parent: mutex_lock m1 returned wrong code\n", round); return 1; } e = LOCK (&m2); if (e == 0) { printf ("%ld: parent: mutex_lock m2 succeeded\n", round); return 1; } if (e != EOWNERDEAD) { printf ("%ld: parent: mutex_lock m2 returned wrong code\n", round); return 1; } #ifndef AFTER_JOIN if ((round & 1) == 0) { void *res; if (pthread_join (th, &res) != 0) { printf ("%ld: join failed\n", round); return 1; } if (res != PTHREAD_CANCELED) { printf ("%ld: thread not canceled\n", round); return 1; } } #endif #ifndef NOT_CONSISTENT e = pthread_mutex_consistent_np (&m1); if (e != 0) { printf ("%ld: mutex_consistent m1 failed with error %d\n", round, e); return 1; } e = pthread_mutex_consistent_np (&m2); if (e != 0) { printf ("%ld: mutex_consistent m2 failed with error %d\n", round, e); return 1; } #endif e = pthread_mutex_unlock (&m1); if (e != 0) { printf ("%ld: mutex_unlock m1 failed with %d\n", round, e); return 1; } e = pthread_mutex_unlock (&m2); if (e != 0) { printf ("%ld: mutex_unlock m2 failed with %d\n", round, e); return 1; } #ifdef NOT_CONSISTENT e = LOCK (&m1); if (e == 0) { printf ("%ld: locking inconsistent mutex m1 succeeded\n", round); return 1; } if (e != ENOTRECOVERABLE) { printf ("%ld: locking inconsistent mutex m1 failed with error %d\n", round, e); return 1; } if (pthread_mutex_destroy (&m1) != 0) { puts ("mutex_destroy m1 failed"); return 1; } e = LOCK (&m2); if (e == 0) { printf ("%ld: locking inconsistent mutex m2 succeeded\n", round); return 1; } if (e != ENOTRECOVERABLE) { printf ("%ld: locking inconsistent mutex m2 failed with error %d\n", round, e); return 1; } if (pthread_mutex_destroy (&m2) != 0) { puts ("mutex_destroy m2 failed"); return 1; } #endif } #ifndef NOT_CONSISTENT if (pthread_mutex_destroy (&m1) != 0) { puts ("mutex_destroy m1 failed"); return 1; } if (pthread_mutex_destroy (&m2) != 0) { puts ("mutex_destroy m2 failed"); return 1; } #endif if (pthread_mutexattr_destroy (&a) != 0) { puts ("mutexattr_destroy failed"); return 1; } return 0; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"