1 files changed, 61 insertions, 0 deletions
diff --git a/tests/sys/net/randsleep.c b/tests/sys/net/randsleep.c
new file mode 100644
index 000000000000..55f1fff45617
--- /dev/null
+++ b/tests/sys/net/randsleep.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2014 Spectra Logic Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * Authors: Alan Somers         (Spectra Logic Corporation)
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define RANDOM_MAX ((1U<<31) - 1)
+
+int main(int argc, char** argv){
+	useconds_t max_usecs, usecs;
+	double frac;
+
+	if (argc != 2) {
+		printf("Usage: randsleep <max_microseconds>\n");
+		exit(2);
+	}
+
+	errno = 0;
+	max_usecs = (useconds_t)strtol(argv[1], NULL, 0);
+	if (errno != 0) {
+		perror("strtol");
+		exit(1);
+	}
+	srandomdev();
+	frac = (double)random() / (double)RANDOM_MAX;
+	usecs = (useconds_t)((double)max_usecs * frac);
+	usleep(usecs);
+
+	return (0);
+}