xnu-1456.1.26.tar.gz

[apple/xnu.git] / tools / tests / libMicro / pthread_create.c

diff --git a/tools/tests/libMicro/pthread_create.c b/tools/tests/libMicro/pthread_create.c
new file mode 100644 (file)
index 0000000..340d35c
--- /dev/null
+++ b/tools/tests/libMicro/pthread_create.c
@@ -0,0 +1,160 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms
+ * of the Common Development and Distribution License
+ * (the "License").  You may not use this file except
+ * in compliance with the License.
+ *
+ * You can obtain a copy of the license at
+ * src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing
+ * permissions and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL
+ * HEADER in each file and include the License file at
+ * usr/src/OPENSOLARIS.LICENSE.  If applicable,
+ * add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your
+ * own identifying information: Portions Copyright [yyyy]
+ * [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <errno.h>
+
+#include "libmicro.h"
+
+typedef struct {
+       pthread_t               *ts_threads;
+       pthread_attr_t          *ts_attr;
+       pthread_mutex_t         ts_lock;
+} tsd_t;
+
+static int                             opts = 0;
+
+int
+benchmark_init()
+{
+       lm_defN = "pthread";
+
+       lm_tsdsize = sizeof (tsd_t);
+
+       (void) sprintf(lm_usage,
+           "       [-s stacksize] (specify stacksize)\n"
+           "notes: measures pthread_create\n");
+
+       (void) sprintf(lm_optstr, "s:");
+
+       return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+       switch (opt) {
+       case 's':
+               opts = sizetoll(optarg);
+               break;
+       default:
+               return (-1);
+       }
+
+       return (0);
+}
+
+int
+benchmark_initworker(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+       int errors = 0;
+
+       ts->ts_threads = calloc(lm_optB, sizeof (pthread_t));
+       (void) pthread_mutex_init(&ts->ts_lock, NULL);
+
+       if (opts) {
+               ts->ts_attr = malloc(sizeof (pthread_attr_t));
+               (void) pthread_attr_init(ts->ts_attr);
+               if ((errors = pthread_attr_setstacksize(ts->ts_attr, opts))
+                   != 0) {
+                       errno = errors;
+                       perror("pthread_attr_setstacksize");
+               }
+       } else
+               ts->ts_attr = NULL;
+
+       return (errors?1:0);
+}
+
+int
+benchmark_initbatch(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+
+       (void) pthread_mutex_lock(&ts->ts_lock);
+
+       return (0);
+}
+
+
+void *
+func(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+
+       (void) pthread_mutex_lock(&ts->ts_lock);
+       (void) pthread_mutex_unlock(&ts->ts_lock);
+
+       return (tsd);
+}
+
+int
+benchmark(void *tsd, result_t *res)
+{
+       int                     i;
+       tsd_t                   *ts = (tsd_t *)tsd;
+       int error;
+
+       for (i = 0; i < lm_optB; i++) {
+               if ((error = pthread_create(ts->ts_threads + i,
+                   ts->ts_attr, func, tsd)) != 0) {
+                       errno = error;
+                       perror("pthread_create");
+                       ts->ts_threads[i] = 0;
+                       res->re_errors++;
+                       return (0);
+               }
+       }
+       res->re_count = lm_optB;
+
+       return (0);
+}
+
+int
+benchmark_finibatch(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+       int i;
+       int errors = 0;
+
+       (void) pthread_mutex_unlock(&ts->ts_lock);
+
+       for (i = 0; i < lm_optB; i++)
+               if (ts->ts_threads[i] == 0 ||
+                   pthread_join(ts->ts_threads[i], NULL) < 0) {
+                       errors++;
+               }
+       return (errors);
+}