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

time clock id.

3 files changed, 50 insertions, 0 deletions

diff --git a/lib/libthr/pthread.map b/lib/libthr/pthread.map
index 3cc3927..21a0135 100644
--- a/lib/libthr/pthread.map
+++ b/lib/libthr/pthread.map
@@ -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;
diff --git a/lib/libthr/thread/Makefile.inc b/lib/libthr/thread/Makefile.inc
index 6a5105f..4ce90b5 100644
--- a/lib/libthr/thread/Makefile.inc
+++ b/lib/libthr/thread/Makefile.inc
@@ -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 \
diff --git a/lib/libthr/thread/thr_getcpuclockid.c b/lib/libthr/thread/thr_getcpuclockid.c
new file mode 100644
index 0000000..68f88d5
--- /dev/null
+++ b/lib/libthr/thread/thr_getcpuclockid.c
@@ -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);
+}