Initial Spring 2016 commit.

2015-12-23 00:50:04 +00:00
commit cafa9f5690
732 changed files with 92195 additions and 0 deletions
--- a/userland/testbin/farm/Makefile
+++ b/userland/testbin/farm/Makefile
@@ -0,0 +1,11 @@
+# Makefile for farm
+
+TOP=../../..
+.include "$(TOP)/mk/os161.config.mk"
+
+PROG=farm
+SRCS=farm.c
+BINDIR=/testbin
+
+.include "$(TOP)/mk/os161.prog.mk"
+
--- a/userland/testbin/farm/farm.c
+++ b/userland/testbin/farm/farm.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
+ *	The President and Fellows of Harvard College.
+ *
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
+ */
+
+/*
+ * farm.c
+ *
+ * 	Run a bunch of cpu pigs and one cat.
+ *      The file it cats is "catfile". This should be created in advance.
+ *
+ * This test should itself run correctly when the basic system calls
+ * are complete. It may be helpful for scheduler performance analysis.
+ */
+
+#include <unistd.h>
+#include <err.h>
+
+static char *hargv[2] = { (char *)"hog", NULL };
+static char *cargv[3] = { (char *)"cat", (char *)"catfile", NULL };
+
+#define MAXPROCS  6
+static int pids[MAXPROCS], npids;
+
+static
+void
+spawnv(const char *prog, char **argv)
+{
+	int pid = fork();
+	switch (pid) {
+	    case -1:
+		err(1, "fork");
+	    case 0:
+		/* child */
+		execv(prog, argv);
+		err(1, "%s", prog);
+	    default:
+		/* parent */
+		pids[npids++] = pid;
+		break;
+	}
+}
+
+static
+void
+waitall(void)
+{
+	int i, status;
+	for (i=0; i<npids; i++) {
+		if (waitpid(pids[i], &status, 0)<0) {
+			warn("waitpid for %d", pids[i]);
+		}
+		else if (WIFSIGNALED(status)) {
+			warnx("pid %d: signal %d", pids[i], WTERMSIG(status));
+		}
+		else if (WEXITSTATUS(status) != 0) {
+			warnx("pid %d: exit %d", pids[i], WEXITSTATUS(status));
+		}
+	}
+}
+
+static
+void
+hog(void)
+{
+	spawnv("/testbin/hog", hargv);
+}
+
+static
+void
+cat(void)
+{
+	spawnv("/bin/cat", cargv);
+}
+
+int
+main(void)
+{
+	hog();
+	hog();
+	hog();
+	cat();
+
+	waitall();
+
+	return 0;
+}