1 files changed, 131 insertions, 0 deletions
diff --git a/native/libMicro-0.4.0/fork.c b/native/libMicro-0.4.0/fork.c
new file mode 100644
index 0000000..d033691
--- /dev/null
+++ b/native/libMicro-0.4.0/fork.c
@@ -0,0 +1,131 @@
+/*
+ * 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.
+ */
+
+/*
+ * benchmark fork
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "libmicro.h"
+
+static barrier_t		*b;
+
+typedef struct {
+	int			ts_once;
+	int			*ts_pids;
+} tsd_t;
+
+int
+benchmark_init()
+{
+	lm_tsdsize = sizeof (tsd_t);
+	(void) sprintf(lm_usage, "notes: measures fork()\n");
+
+	return (0);
+}
+
+int
+benchmark_initrun()
+{
+	b = barrier_create(lm_optP * lm_optT * (lm_optB + 1), 0);
+
+	return (0);
+}
+
+int
+benchmark_finirun()
+{
+	(void) barrier_destroy(b);
+
+	return (0);
+}
+
+int
+benchmark_initbatch(void *tsd)
+{
+	tsd_t			*ts = (tsd_t *)tsd;
+	int			errors = 0;
+
+	if (ts->ts_once++ == 0) {
+		ts->ts_pids = (int *)malloc(lm_optB * sizeof (pid_t));
+		if (ts->ts_pids == NULL) {
+			errors++;
+		}
+	}
+
+	return (errors);
+}
+
+int
+benchmark(void *tsd, result_t *res)
+{
+	tsd_t			*ts = (tsd_t *)tsd;
+	int			i;
+
+	for (i = 0; i < lm_optB; i++) {
+		ts->ts_pids[i] = fork();
+		switch (ts->ts_pids[i]) {
+		case 0:
+			(void) barrier_queue(b, NULL);
+			exit(0);
+			break;
+		case -1:
+			res->re_errors++;
+			break;
+		default:
+			continue;
+		}
+	}
+	res->re_count = lm_optB;
+
+	(void) barrier_queue(b, NULL);
+
+	return (0);
+}
+
+int
+benchmark_finibatch(void *tsd)
+{
+	tsd_t			*ts = (tsd_t *)tsd;
+	int			i;
+
+	for (i = 0; i < lm_optB; i++) {
+		if (ts->ts_pids[i] > 0) {
+			(void) waitpid(ts->ts_pids[i], NULL, 0);
+		}
+	}
+
+	return (0);
+}