xnu-1456.1.26.tar.gz

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

diff --git a/tools/tests/libMicro/exec.c b/tools/tests/libMicro/exec.c
new file mode 100644 (file)
index 0000000..3110a14
--- /dev/null
+++ b/tools/tests/libMicro/exec.c
@@ -0,0 +1,101 @@
+/*
+ * 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.
+ */
+
+/*
+ * exec benchmark
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+
+#include "libmicro.h"
+
+static char exec_path[1024];
+static char *argv[3];
+
+int
+benchmark_init()
+{
+       lm_defB = 128;
+       lm_tsdsize = 0;
+
+       (void) sprintf(lm_usage,
+           "notes: measures execv time of simple process()\n");
+
+       return (0);
+}
+
+/*ARGSUSED*/
+int
+benchmark_initbatch(void *tsd)
+{
+       char                    buffer[80];
+
+       (void) strcpy(exec_path, lm_procpath);
+       (void) strcat(exec_path, "/exec_bin");
+
+       (void) sprintf(buffer, "%d", lm_optB);
+       argv[0] = exec_path;
+       argv[1] = strdup(buffer);
+       argv[2] = NULL;
+
+       return (0);
+}
+
+/*ARGSUSED*/
+int
+benchmark(void *tsd, result_t *res)
+{
+       int c;
+       int status;
+
+       switch (c = fork()) {
+       case -1:
+               res->re_errors++;
+               break;
+       default:
+               if (waitpid(c, &status, 0) < 0)
+                       res->re_errors++;
+
+               if (WIFEXITED(status) && WEXITSTATUS(status) != 0)
+                       res->re_errors++;
+               break;
+       case 0:
+               if (execv(exec_path, argv) < 0)
+                       res->re_errors++;
+       }
+
+       res->re_count = lm_optB;
+
+       return (0);
+}