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Diffstat (limited to 'linuxthreads/tst-clock1.c')
| -rw-r--r-- | linuxthreads/tst-clock1.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/linuxthreads/tst-clock1.c b/linuxthreads/tst-clock1.c deleted file mode 100644 index bca4095..0000000 --- a/linuxthreads/tst-clock1.c +++ /dev/null @@ -1,202 +0,0 @@ -/* Copyright (C) 2003, 2004 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> -#include <time.h> -#include <unistd.h> - - -#if defined _POSIX_THREAD_CPUTIME && _POSIX_THREAD_CPUTIME >= 0 -static pthread_barrier_t b2; -static pthread_barrier_t bN; - - -static void * -tf (void *arg) -{ - int e = pthread_barrier_wait (&b2); - if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("barrier_wait failed"); - exit (1); - } - - e = pthread_barrier_wait (&bN); - if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("barrier_wait failed"); - exit (1); - } - - return NULL; -} -#endif - - -int -do_test (void) -{ -#if defined _POSIX_THREAD_CPUTIME && _POSIX_THREAD_CPUTIME >= 0 -# define N 10 - -# if _POSIX_THREAD_CPUTIME == 0 - if (sysconf (_SC_THREAD_CPUTIME) < 0) - { - puts ("_POSIX_THREAD_CPUTIME option not available"); - return 0; - } -# endif - - if (pthread_barrier_init (&b2, NULL, 2) != 0 - || pthread_barrier_init (&bN, NULL, N + 1) != 0) - { - puts ("barrier_init failed"); - return 1; - } - - struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 }; - TEMP_FAILURE_RETRY (nanosleep (&ts, &ts)); - - pthread_t th[N + 1]; - clockid_t cl[N + 1]; -# ifndef CLOCK_THREAD_CPUTIME_ID - if (pthread_getcpuclockid (pthread_self (), &cl[0]) != 0) - { - puts ("own pthread_getcpuclockid failed"); - return 1; - } -# else - cl[0] = CLOCK_THREAD_CPUTIME_ID; -# endif - - pthread_attr_t at; - - if (pthread_attr_init (&at) != 0) - { - puts ("attr_init failed"); - return 1; - } - - if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0) - { - puts ("attr_setstacksize failed"); - return 1; - } - - int i; - int e; - for (i = 0; i < N; ++i) - { - if (pthread_create (&th[i], &at, tf, NULL) != 0) - { - puts ("create failed"); - return 1; - } - - e = pthread_barrier_wait (&b2); - if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) - { - puts ("barrier_wait failed"); - return 1; - } - - ts.tv_sec = 0; - ts.tv_nsec = 100000000; - TEMP_FAILURE_RETRY (nanosleep (&ts, &ts)); - - if (pthread_getcpuclockid (th[i], &cl[i + 1]) != 0) - { - puts ("pthread_getcpuclockid failed"); - return 1; - } - } - - if (pthread_attr_destroy (&at) != 0) - { - puts ("attr_destroy failed"); - return 1; - } - - struct timespec t[N + 1]; - for (i = 0; i < N + 1; ++i) - if (clock_gettime (cl[i], &t[i]) != 0) - { - printf ("clock_gettime round %d failed\n", i); - return 1; - } - - for (i = 0; i < N; ++i) - { - struct timespec diff; - - diff.tv_sec = t[i].tv_sec - t[i + 1].tv_sec; - diff.tv_nsec = t[i].tv_nsec - t[i + 1].tv_nsec; - if (diff.tv_nsec < 0) - { - diff.tv_nsec += 1000000000; - --diff.tv_sec; - } - - if (diff.tv_sec < 0 || (diff.tv_sec == 0 && diff.tv_nsec < 100000000)) - { - printf ("\ -difference between thread %d and %d too small (%ld.%09ld)\n", - i, i + 1, (long int) diff.tv_sec, (long int) diff.tv_nsec); - return 1; - } - - printf ("diff %d->%d: %ld.%09ld\n", - i, i + 1, (long int) diff.tv_sec, (long int) diff.tv_nsec); - } - - ts.tv_sec = 0; - ts.tv_nsec = 0; - for (i = 0; i < N + 1; ++i) - if (clock_settime (cl[i], &ts) != 0) - { - printf ("clock_settime(%d) round %d failed\n", cl[i], i); - return 1; - } - - for (i = 0; i < N + 1; ++i) - { - if (clock_gettime (cl[i], &ts) != 0) - { - puts ("clock_gettime failed"); - return 1; - } - - if (ts.tv_sec > t[i].tv_sec - || (ts.tv_sec == t[i].tv_sec && ts.tv_nsec > t[i].tv_nsec)) - { - puts ("clock_settime didn't reset clock"); - return 1; - } - } -#endif - - return 0; -} - - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |