xnu-1456.1.26.tar.gz

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

diff --git a/tools/tests/libMicro/close.c b/tools/tests/libMicro/close.c
new file mode 100644 (file)
index 0000000..6050bcd
--- /dev/null
+++ b/tools/tests/libMicro/close.c
@@ -0,0 +1,141 @@
+/*
+ * 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 for close
+ */
+
+#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                     optb = 0;
+
+typedef struct {
+       int                     *ts_fds;
+} tsd_t;
+
+int
+benchmark_init()
+{
+       lm_tsdsize = sizeof (tsd_t);
+
+       lm_defB = 256;
+
+       (void) sprintf(lm_optstr, "f:b");
+
+       (void) sprintf(lm_usage,
+           "       [-f file-to-close (default %s)]\n"
+           "       [-b] (try to close an unopened fd)\n"
+           "notes: measures close()",
+           DEFF);
+
+       return (0);
+}
+
+int
+benchmark_optswitch(int opt, char *optarg)
+{
+       switch (opt) {
+       case 'f':
+               optf = optarg;
+               break;
+       case 'b':
+               optb = 1;
+               break;
+       default:
+               return (-1);
+       }
+
+       return (0);
+}
+
+int
+benchmark_initrun()
+{
+       (void) setfdlimit(lm_optB * lm_optT + 10);
+
+       return (0);
+}
+
+int
+benchmark_initworker(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+
+       ts->ts_fds = (int *)malloc(lm_optB * sizeof (int));
+       if (ts->ts_fds == NULL) {
+               return (1);
+       }
+       return (0);
+}
+
+/*
+ * don't need a finiworker; we're exiting anyway
+ */
+
+int
+benchmark_initbatch(void *tsd)
+{
+       tsd_t                   *ts = (tsd_t *)tsd;
+       int                     i;
+       int                     errors = 0;
+
+       for (i = 0; i < lm_optB; i++) {
+               ts->ts_fds[i] = ((optb == 0) ?
+                   open(optf, O_RDONLY) : i + 1024);
+               if (ts->ts_fds[i] == -1) {
+                       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++) {
+               if (close(ts->ts_fds[i]) == -1 && !optb) {
+                       res->re_errors++;
+               }
+       }
+       res->re_count = i;
+
+       return (0);
+}