/* 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, 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 pthread_barrier_t b; /* Cleanup handling test. */ static int cl_called; static void cl (void *arg) { ++cl_called; } static void * tf (void *arg) { int r = pthread_barrier_wait (&b); if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("barrier_wait failed"); exit (1); } pthread_cleanup_push (cl, NULL); struct timespec ts = { .tv_sec = arg == NULL ? 10000000 : 0, .tv_nsec = 0 }; TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts)); pthread_cleanup_pop (0); puts ("clock_nanosleep returned"); exit (1); } static int do_test (void) { if (pthread_barrier_init (&b, NULL, 2) != 0) { puts ("barrier_init failed"); return 1; } pthread_t th; if (pthread_create (&th, NULL, tf, NULL) != 0) { puts ("1st create failed"); return 1; } int r = pthread_barrier_wait (&b); if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("barrier_wait failed"); exit (1); } struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 }; while (nanosleep (&ts, &ts) != 0) continue; puts ("going to cancel in-time"); if (pthread_cancel (th) != 0) { puts ("1st cancel failed"); return 1; } void *status; if (pthread_join (th, &status) != 0) { puts ("1st join failed"); return 1; } if (status != PTHREAD_CANCELED) { puts ("1st thread not canceled"); return 1; } if (cl_called == 0) { puts ("cleanup handler not called"); return 1; } if (cl_called > 1) { puts ("cleanup handler called more than once"); return 1; } puts ("in-time cancellation succeeded"); cl_called = 0; if (pthread_create (&th, NULL, tf, NULL) != 0) { puts ("2nd create failed"); return 1; } puts ("going to cancel early"); if (pthread_cancel (th) != 0) { puts ("2nd cancel failed"); return 1; } r = pthread_barrier_wait (&b); if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("barrier_wait failed"); exit (1); } if (pthread_join (th, &status) != 0) { puts ("2nd join failed"); return 1; } if (status != PTHREAD_CANCELED) { puts ("2nd thread not canceled"); return 1; } if (cl_called == 0) { printf ("cleanup handler not called\n"); return 1; } if (cl_called > 1) { printf ("cleanup handler called more than once\n"); return 1; } puts ("early cancellation succeeded"); return 0; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"