X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e2fac8b15b12a7979f72090454d850e612fc5b13..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/tools/tests/libMicro/dup.c

diff --git a/tools/tests/libMicro/dup.c b/tools/tests/libMicro/dup.c
new file mode 100644
index 000000000..cdce1f1c3
--- /dev/null
+++ b/tools/tests/libMicro/dup.c
@@ -0,0 +1,139 @@
+/*
+ * 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.
+ */
+
+/*
+ * time dup
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+
+#include "libmicro.h"
+
+#define	DEFF			"/dev/null"
+static char			*optf = DEFF;
+
+static int			fd;
+
+typedef struct {
+	int			ts_once;
+	int			*ts_fds;
+} tsd_t;
+
+int
+benchmark_init()
+{
+	lm_tsdsize = sizeof (tsd_t);
+
+	lm_defB = 256;
+
+	(void) sprintf(lm_optstr, "f:");
+
+	(void) sprintf(lm_usage,
+	    "       [-f file-to-dup (default %s)]\n"
+	    "notes: measures dup()\n",
+	    DEFF);
+
+	return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+	switch (opt) {
+	case 'f':
+		optf = optarg;
+		break;
+	default:
+		return (-1);
+	}
+	return (0);
+}
+
+int
+benchmark_initrun()
+{
+	(void) setfdlimit(lm_optB * lm_optT + 10);
+	fd = (open(optf, O_RDONLY));
+
+	return (0);
+}
+
+int
+benchmark_initbatch(void *tsd)
+{
+	tsd_t			*ts = (tsd_t *)tsd;
+	int			i;
+	int			errors = 0;
+
+	if (ts->ts_once++ == 0) {
+		ts->ts_fds = (int *)malloc(lm_optB * sizeof (int));
+		if (ts->ts_fds == NULL) {
+			errors ++;
+		}
+		for (i = 0; i < lm_optB; i++) {
+			ts->ts_fds[i] = -1;
+		}
+	}
+
+	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_fds[i] = dup(fd);
+		if (ts->ts_fds[i] == -1) {
+			res->re_errors++;
+		}
+	}
+	res->re_count = i;
+
+	return (0);
+}
+
+int
+benchmark_finibatch(void *tsd)
+{
+	tsd_t			*ts = (tsd_t *)tsd;
+	int			i;
+
+	for (i = 0; i < lm_optB; i++) {
+		(void) close(ts->ts_fds[i]);
+	}
+
+	return (0);
+}