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Update.
2004-07-07 Jakub Jelinek <jakub@redhat.com> * sysdeps/pthread/getcpuclockid.c (pthread_getcpuclockid): Allow using other thread's clock. * ptclock_gettime.c (__pthread_clock_gettime): Likewise. * ptclock_settime.c (__pthread_clock_settime): Likewise. * internals.h (__pthread_clock_gettime, __pthread_clock_settime): Remove prototypes. Reported by Bernd Schmidt <bernds@redhat.com>. * Makefile (librt-tests): Add tst-clock1. * tst-clock1.c: New test. * sysdeps/x86_64/Versions: New file. * sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h: New file. * sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h: New file.
This commit is contained in:
parent
ece385dbb8
commit
1b8cbd0847
@ -1,3 +1,19 @@
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2004-07-07 Jakub Jelinek <jakub@redhat.com>
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* sysdeps/pthread/getcpuclockid.c (pthread_getcpuclockid): Allow
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using other thread's clock.
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* ptclock_gettime.c (__pthread_clock_gettime): Likewise.
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* ptclock_settime.c (__pthread_clock_settime): Likewise.
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* internals.h (__pthread_clock_gettime, __pthread_clock_settime):
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Remove prototypes.
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Reported by Bernd Schmidt <bernds@redhat.com>.
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* Makefile (librt-tests): Add tst-clock1.
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* tst-clock1.c: New test.
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* sysdeps/x86_64/Versions: New file.
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* sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h: New file.
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* sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h: New file.
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2004-04-16 Andreas Schwab <schwab@suse.de>
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* sysdeps/ia64/tls.h (INIT_SYSINFO): Cast dl_sysinfo to void*.
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@ -105,7 +105,7 @@ omit-deps += crti crtn
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CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions $(fno-unit-at-a-time)
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endif
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librt-tests = ex10 ex11
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librt-tests = ex10 ex11 tst-clock1
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tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
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tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
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ex17 ex18 tst-cancel tst-context bug-sleep \
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@ -405,9 +405,6 @@ extern int __pthread_spin_unlock (pthread_spinlock_t *__lock);
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extern int __pthread_spin_init (pthread_spinlock_t *__lock, int __pshared);
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extern int __pthread_spin_destroy (pthread_spinlock_t *__lock);
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extern int __pthread_clock_gettime (hp_timing_t freq, struct timespec *tp);
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extern void __pthread_clock_settime (hp_timing_t offset);
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/* Global pointers to old or new suspend functions */
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extern void (*__pthread_restart)(pthread_descr);
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@ -1,4 +1,4 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -16,23 +16,46 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <time.h>
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#include <libc-internal.h>
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#include "internals.h"
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#include "spinlock.h"
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#if HP_TIMING_AVAIL
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int
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__pthread_clock_gettime (hp_timing_t freq, struct timespec *tp)
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__pthread_clock_gettime (clockid_t clock_id, hp_timing_t freq,
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struct timespec *tp)
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{
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hp_timing_t tsc;
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hp_timing_t tsc, cpuclock_offset;
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pthread_descr self = thread_self ();
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pthread_t thread = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE;
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const unsigned int mask = ~0U >> CLOCK_IDFIELD_SIZE;
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if (thread == 0 || (THREAD_GETMEM (self, p_tid) & mask) == thread)
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cpuclock_offset = THREAD_GETMEM (self, p_cpuclock_offset);
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else
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{
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pthread_descr th;
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pthread_handle handle = thread_handle (thread);
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__pthread_lock (&handle->h_lock, NULL);
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th = handle->h_descr;
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if (th == NULL || (th->p_tid & mask) != thread || th->p_terminated)
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{
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__pthread_unlock (&handle->h_lock);
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__set_errno (EINVAL);
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return -1;
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}
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cpuclock_offset = th->p_cpuclock_offset;
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__pthread_unlock (&handle->h_lock);
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}
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/* Get the current counter. */
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HP_TIMING_NOW (tsc);
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/* Compute the offset since the start time of the process. */
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tsc -= THREAD_GETMEM (self, p_cpuclock_offset);
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tsc -= cpuclock_offset;
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/* Compute the seconds. */
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tp->tv_sec = tsc / freq;
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@ -1,4 +1,4 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2001, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -16,18 +16,40 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <time.h>
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#include <libc-internal.h>
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#include "internals.h"
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#include "spinlock.h"
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#if HP_TIMING_AVAIL
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void
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__pthread_clock_settime (hp_timing_t offset)
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int
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__pthread_clock_settime (clockid_t clock_id, hp_timing_t offset)
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{
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pthread_descr self = thread_self ();
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pthread_t thread = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE;
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const unsigned int mask = ~0U >> CLOCK_IDFIELD_SIZE;
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/* Compute the offset since the start time of the process. */
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THREAD_SETMEM (self, p_cpuclock_offset, offset);
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if (thread == 0 || (THREAD_GETMEM (self, p_tid) & mask) == thread)
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/* Our own clock. */
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THREAD_SETMEM (self, p_cpuclock_offset, offset);
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else
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{
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pthread_descr th;
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pthread_handle handle = thread_handle (thread);
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__pthread_lock (&handle->h_lock, NULL);
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th = handle->h_descr;
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if (th == NULL || (th->p_tid & mask) != thread || th->p_terminated)
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{
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__pthread_unlock (&handle->h_lock);
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__set_errno (EINVAL);
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return -1;
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}
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th->p_cpuclock_offset = offset;
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__pthread_unlock (&handle->h_lock);
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}
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return 0;
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}
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#endif
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@ -1,4 +1,4 @@
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/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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/* Copyright (C) 2000, 2001, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -19,18 +19,27 @@
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#include <errno.h>
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#include <pthread.h>
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#include <sys/time.h>
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#include <time.h>
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#include <internals.h>
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int
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pthread_getcpuclockid (pthread_t thread_id, clockid_t *clock_id)
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{
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/* We don't allow any process ID but our own. */
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if (thread_handle (thread_id)->h_descr != thread_self ())
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return EPERM;
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#ifdef CLOCK_THREAD_CPUTIME_ID
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/* We need to store the thread ID in the CLOCKID variable together
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with a number identifying the clock. We reserve the low 3 bits
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for the clock ID and the rest for the thread ID. This is
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problematic if the thread ID is too large. But 29 bits should be
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fine.
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If some day more clock IDs are needed the ID part can be
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enlarged. The IDs are entirely internal. */
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if (2 * PTHREAD_THREADS_MAX
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>= 1 << (8 * sizeof (*clock_id) - CLOCK_IDFIELD_SIZE))
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return ERANGE;
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/* Store the number. */
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*clock_id = CLOCK_THREAD_CPUTIME_ID;
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*clock_id = CLOCK_THREAD_CPUTIME_ID | (thread_id << CLOCK_IDFIELD_SIZE);
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return 0;
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#else
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144
linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h
Normal file
144
linuxthreads/sysdeps/unix/sysv/linux/ia64/bits/posix_opt.h
Normal file
@ -0,0 +1,144 @@
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/* Define POSIX options for Linux/ia64.
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Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _POSIX_OPT_H
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#define _POSIX_OPT_H 1
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/* Job control is supported. */
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#define _POSIX_JOB_CONTROL 1
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/* Processes have a saved set-user-ID and a saved set-group-ID. */
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#define _POSIX_SAVED_IDS 1
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/* Priority scheduling is supported. */
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#define _POSIX_PRIORITY_SCHEDULING 200112L
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/* Synchronizing file data is supported. */
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#define _POSIX_SYNCHRONIZED_IO 200112L
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/* The fsync function is present. */
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#define _POSIX_FSYNC 200112L
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/* Mapping of files to memory is supported. */
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#define _POSIX_MAPPED_FILES 200112L
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/* Locking of all memory is supported. */
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#define _POSIX_MEMLOCK 200112L
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/* Locking of ranges of memory is supported. */
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#define _POSIX_MEMLOCK_RANGE 200112L
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/* Setting of memory protections is supported. */
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#define _POSIX_MEMORY_PROTECTION 200112L
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/* Only root can change owner of file. */
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#define _POSIX_CHOWN_RESTRICTED 1
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/* `c_cc' member of 'struct termios' structure can be disabled by
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using the value _POSIX_VDISABLE. */
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#define _POSIX_VDISABLE '\0'
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/* Filenames are not silently truncated. */
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#define _POSIX_NO_TRUNC 1
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/* X/Open realtime support is available. */
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#define _XOPEN_REALTIME 1
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/* X/Open realtime thread support is available. */
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#define _XOPEN_REALTIME_THREADS 1
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/* XPG4.2 shared memory is supported. */
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#define _XOPEN_SHM 1
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/* Tell we have POSIX threads. */
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#define _POSIX_THREADS 200112L
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/* We have the reentrant functions described in POSIX. */
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#define _POSIX_REENTRANT_FUNCTIONS 1
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#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
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/* We provide priority scheduling for threads. */
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#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
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/* We support user-defined stack sizes. */
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#define _POSIX_THREAD_ATTR_STACKSIZE 200112L
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/* We support user-defined stacks. */
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#define _POSIX_THREAD_ATTR_STACKADDR 200112L
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/* We support POSIX.1b semaphores, but only the non-shared form for now. */
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#define _POSIX_SEMAPHORES 200112L
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/* Real-time signals are supported. */
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#define _POSIX_REALTIME_SIGNALS 200112L
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/* We support asynchronous I/O. */
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#define _POSIX_ASYNCHRONOUS_IO 200112L
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#define _POSIX_ASYNC_IO 1
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/* Alternative name for Unix98. */
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#define _LFS_ASYNCHRONOUS_IO 1
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/* The LFS support in asynchronous I/O is also available. */
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#define _LFS64_ASYNCHRONOUS_IO 1
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/* The rest of the LFS is also available. */
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#define _LFS_LARGEFILE 1
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#define _LFS64_LARGEFILE 1
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#define _LFS64_STDIO 1
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/* POSIX shared memory objects are implemented. */
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#define _POSIX_SHARED_MEMORY_OBJECTS 200112L
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/* CPU-time clocks supported. */
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#define _POSIX_CPUTIME 200112L
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/* We support the clock also in threads. */
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#define _POSIX_THREAD_CPUTIME 200112L
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/* GNU libc provides regular expression handling. */
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#define _POSIX_REGEXP 1
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/* Reader/Writer locks are available. */
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#define _POSIX_READER_WRITER_LOCKS 200112L
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/* We have a POSIX shell. */
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#define _POSIX_SHELL 1
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/* We support the Timeouts option. */
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#define _POSIX_TIMEOUTS 200112L
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/* We support spinlocks. */
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#define _POSIX_SPIN_LOCKS 200112L
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/* The `spawn' function family is supported. */
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#define _POSIX_SPAWN 200112L
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/* We have POSIX timers. */
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#define _POSIX_TIMERS 200112L
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/* The barrier functions are available. */
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#define _POSIX_BARRIERS 200112L
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/* POSIX message queues are available. */
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#define _POSIX_MESSAGE_PASSING 200112L
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/* The monotonic clock might be available. */
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#define _POSIX_MONOTONIC_CLOCK 0
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#endif /* posix_opt.h */
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144
linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h
Normal file
144
linuxthreads/sysdeps/unix/sysv/linux/x86_64/bits/posix_opt.h
Normal file
@ -0,0 +1,144 @@
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/* Define POSIX options for Linux/x86_64.
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Copyright (C) 1996-2001, 2002, 2003, 2004 Free Software Foundation, Inc.
|
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This file is part of the GNU C Library.
|
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|
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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; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
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#ifndef _POSIX_OPT_H
|
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#define _POSIX_OPT_H 1
|
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|
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/* Job control is supported. */
|
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#define _POSIX_JOB_CONTROL 1
|
||||
|
||||
/* Processes have a saved set-user-ID and a saved set-group-ID. */
|
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#define _POSIX_SAVED_IDS 1
|
||||
|
||||
/* Priority scheduling is supported. */
|
||||
#define _POSIX_PRIORITY_SCHEDULING 200112L
|
||||
|
||||
/* Synchronizing file data is supported. */
|
||||
#define _POSIX_SYNCHRONIZED_IO 200112L
|
||||
|
||||
/* The fsync function is present. */
|
||||
#define _POSIX_FSYNC 200112L
|
||||
|
||||
/* Mapping of files to memory is supported. */
|
||||
#define _POSIX_MAPPED_FILES 200112L
|
||||
|
||||
/* Locking of all memory is supported. */
|
||||
#define _POSIX_MEMLOCK 200112L
|
||||
|
||||
/* Locking of ranges of memory is supported. */
|
||||
#define _POSIX_MEMLOCK_RANGE 200112L
|
||||
|
||||
/* Setting of memory protections is supported. */
|
||||
#define _POSIX_MEMORY_PROTECTION 200112L
|
||||
|
||||
/* Only root can change owner of file. */
|
||||
#define _POSIX_CHOWN_RESTRICTED 1
|
||||
|
||||
/* `c_cc' member of 'struct termios' structure can be disabled by
|
||||
using the value _POSIX_VDISABLE. */
|
||||
#define _POSIX_VDISABLE '\0'
|
||||
|
||||
/* Filenames are not silently truncated. */
|
||||
#define _POSIX_NO_TRUNC 1
|
||||
|
||||
/* X/Open realtime support is available. */
|
||||
#define _XOPEN_REALTIME 1
|
||||
|
||||
/* X/Open realtime thread support is available. */
|
||||
#define _XOPEN_REALTIME_THREADS 1
|
||||
|
||||
/* XPG4.2 shared memory is supported. */
|
||||
#define _XOPEN_SHM 1
|
||||
|
||||
/* Tell we have POSIX threads. */
|
||||
#define _POSIX_THREADS 200112L
|
||||
|
||||
/* We have the reentrant functions described in POSIX. */
|
||||
#define _POSIX_REENTRANT_FUNCTIONS 1
|
||||
#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
|
||||
|
||||
/* We provide priority scheduling for threads. */
|
||||
#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
|
||||
|
||||
/* We support user-defined stack sizes. */
|
||||
#define _POSIX_THREAD_ATTR_STACKSIZE 200112L
|
||||
|
||||
/* We support user-defined stacks. */
|
||||
#define _POSIX_THREAD_ATTR_STACKADDR 200112L
|
||||
|
||||
/* We support POSIX.1b semaphores, but only the non-shared form for now. */
|
||||
#define _POSIX_SEMAPHORES 200112L
|
||||
|
||||
/* Real-time signals are supported. */
|
||||
#define _POSIX_REALTIME_SIGNALS 200112L
|
||||
|
||||
/* We support asynchronous I/O. */
|
||||
#define _POSIX_ASYNCHRONOUS_IO 200112L
|
||||
#define _POSIX_ASYNC_IO 1
|
||||
/* Alternative name for Unix98. */
|
||||
#define _LFS_ASYNCHRONOUS_IO 1
|
||||
|
||||
/* The LFS support in asynchronous I/O is also available. */
|
||||
#define _LFS64_ASYNCHRONOUS_IO 1
|
||||
|
||||
/* The rest of the LFS is also available. */
|
||||
#define _LFS_LARGEFILE 1
|
||||
#define _LFS64_LARGEFILE 1
|
||||
#define _LFS64_STDIO 1
|
||||
|
||||
/* POSIX shared memory objects are implemented. */
|
||||
#define _POSIX_SHARED_MEMORY_OBJECTS 200112L
|
||||
|
||||
/* CPU-time clocks supported. */
|
||||
#define _POSIX_CPUTIME 200112L
|
||||
|
||||
/* We support the clock also in threads. */
|
||||
#define _POSIX_THREAD_CPUTIME 200112L
|
||||
|
||||
/* GNU libc provides regular expression handling. */
|
||||
#define _POSIX_REGEXP 1
|
||||
|
||||
/* Reader/Writer locks are available. */
|
||||
#define _POSIX_READER_WRITER_LOCKS 200112L
|
||||
|
||||
/* We have a POSIX shell. */
|
||||
#define _POSIX_SHELL 1
|
||||
|
||||
/* We support the Timeouts option. */
|
||||
#define _POSIX_TIMEOUTS 200112L
|
||||
|
||||
/* We support spinlocks. */
|
||||
#define _POSIX_SPIN_LOCKS 200112L
|
||||
|
||||
/* The `spawn' function family is supported. */
|
||||
#define _POSIX_SPAWN 200112L
|
||||
|
||||
/* We have POSIX timers. */
|
||||
#define _POSIX_TIMERS 200112L
|
||||
|
||||
/* The barrier functions are available. */
|
||||
#define _POSIX_BARRIERS 200112L
|
||||
|
||||
/* POSIX message queues are available. */
|
||||
#define _POSIX_MESSAGE_PASSING 200112L
|
||||
|
||||
/* The monotonic clock might be available. */
|
||||
#define _POSIX_MONOTONIC_CLOCK 0
|
||||
|
||||
#endif /* posix_opt.h */
|
5
linuxthreads/sysdeps/x86_64/Versions
Normal file
5
linuxthreads/sysdeps/x86_64/Versions
Normal file
@ -0,0 +1,5 @@
|
||||
libpthread {
|
||||
GLIBC_PRIVATE {
|
||||
__pthread_clock_gettime; __pthread_clock_settime;
|
||||
}
|
||||
}
|
194
linuxthreads/tst-clock1.c
Normal file
194
linuxthreads/tst-clock1.c
Normal file
@ -0,0 +1,194 @@
|
||||
/* 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 _POSIX_THREAD_CPUTIME
|
||||
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 _POSIX_THREAD_CPUTIME
|
||||
# define N 10
|
||||
|
||||
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"
|
Loading…
Reference in New Issue
Block a user