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Add POSIX pthread API pthread_getcpuclockid() to get a thread's cpu

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time clock id.
This commit is contained in:
David Xu 2008-03-22 09:59:20 +00:00
parent 698b1a6643
commit 9939a13667
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=177494
5 changed files with 52 additions and 0 deletions
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1
include/pthread.h
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@ -185,6 +185,7 @@ int pthread_detach(pthread_t);
int pthread_equal(pthread_t, pthread_t);
void pthread_exit(void *) __dead2;
void *pthread_getspecific(pthread_key_t);
int pthread_getcpuclockid(pthread_t, clockid_t *);
int pthread_join(pthread_t, void **);
int pthread_key_create(pthread_key_t *,
void (*) (void *));

1
include/time.h
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@ -108,6 +108,7 @@ typedef __timer_t timer_t;
#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */
#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
#define CLOCK_SECOND 13 /* FreeBSD-specific. */
#define CLOCK_THREAD_CPUTIME_ID 14
#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */
#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112

2
lib/libthr/pthread.map
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@ -271,6 +271,7 @@ FBSDprivate_1.0 {
_pthread_exit;
_pthread_getaffinity_np;
_pthread_getconcurrency;
_pthread_getcpuclockid;
_pthread_getprio;
_pthread_getschedparam;
_pthread_getspecific;
@ -395,6 +396,7 @@ FBSD_1.1 {
pthread_attr_getaffinity_np;
pthread_attr_setaffinity_np;
pthread_getaffinity_np;
pthread_getcpuclockid;
pthread_setaffinity_np;
pthread_mutex_getspinloops_np;
pthread_mutex_getyieldloops_np;

1
lib/libthr/thread/Makefile.inc
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@ -20,6 +20,7 @@ SRCS+= \
thr_exit.c \
thr_fork.c \
thr_getprio.c \
thr_getcpuclockid.c \
thr_getschedparam.c \
thr_info.c \
thr_init.c \

47
lib/libthr/thread/thr_getcpuclockid.c Normal file
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@ -0,0 +1,47 @@
/*
* Copyright (c) 2008 David Xu <davidxu@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include "namespace.h"
#include <errno.h>
#include <pthread.h>
#include <sys/time.h>
#include "un-namespace.h"
#include "thr_private.h"
__weak_reference(_pthread_getcpuclockid, pthread_getcpuclockid);
int
_pthread_getcpuclockid(pthread_t pthread, clockid_t *clock_id)
{
if (pthread == NULL)
return (EINVAL);
*clock_id = CLOCK_THREAD_CPUTIME_ID;
return (0);
}