From 726fc7a6c8e8f8e1036337e1503af0cbb1bb741f Mon Sep 17 00:00:00 2001
From: "Bjoern B. Brandenburg" <bbb@cs.unc.edu>
Date: Tue, 22 Jan 2008 11:20:50 -0500
Subject: add mode_test

---
 Makefile        |   5 ++-
 src/mode_test.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 116 insertions(+), 1 deletion(-)
 create mode 100644 src/mode_test.c

diff --git a/Makefile b/Makefile
index 250820a..ac463f3 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ CPPFLAGS=-Wall -g
 
 LIBS= ./liblitmus.a
 
-TARGETS = showsched iotest set_rt_mode  run timeout rt_launch edfhsb liblitmus.a wait_test np_test stdump
+TARGETS = showsched iotest set_rt_mode  run timeout rt_launch edfhsb liblitmus.a wait_test np_test stdump mode_test
 
 vpath %.h include/
 vpath %.c src/
@@ -15,6 +15,9 @@ clean:
 wait_test: wait_test.o litmus.h liblitmus.a
 	cc -static -o wait_test wait_test.o  ${LIBS}
 
+mode_test: mode_test.o litmus.h liblitmus.a
+	cc -static -o mode_test mode_test.o  ${LIBS}
+
 np_test: np_test.o litmus.h liblitmus.a
 	cc -static -o np_test np_test.o  ${LIBS}
 
diff --git a/src/mode_test.c b/src/mode_test.c
new file mode 100644
index 0000000..811755e
--- /dev/null
+++ b/src/mode_test.c
@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "litmus.h"
+
+#define US_PER_MS 1000
+
+int  prefix(void) 
+{
+	char field[1024];
+	int prefix[1024];
+	int i, sum = 0;
+
+	for (i = 0; i < 1024; i++) {
+		sum += field[i];
+		prefix[i] = sum;
+	}
+	return sum;
+}
+
+void do_stuff(void)
+{
+	int i =0, j =0;
+
+	for (; i < 50000; i++)
+		j += prefix();
+}
+
+#define CALL(sc) do { ret = sc; if (ret == -1) {perror(" (!!) " #sc " failed: "); /*exit(1)*/;}} while (0);
+
+unsigned int job_no;
+
+void next(void)
+{
+	int ret;
+	unsigned int actual;
+	CALL(get_job_no(&actual));
+	CALL(wait_for_job_release(++job_no));
+	printf("Now executing job %u, waited for %u\n", actual, job_no);
+}
+
+int main(int argc, char** argv) 
+{
+	int ret;
+
+	init_litmus();
+
+	CALL(getpid());
+	printf("my pid is %d\n", ret);
+
+
+	CALL(get_job_no(&job_no));
+	printf("my job_no is %u", job_no);
+
+	CALL( task_mode(LITMUS_RT_TASK) );
+
+	next();
+	do_stuff();
+
+	next();
+	do_stuff();
+
+	next();
+	do_stuff();
+
+	CALL( task_mode(BACKGROUND_TASK) );
+	
+	do_stuff();
+	do_stuff();
+	do_stuff();
+	do_stuff();
+	do_stuff();
+
+	CALL( task_mode(LITMUS_RT_TASK) );
+
+	do_stuff();
+	do_stuff();
+	do_stuff();
+	do_stuff();
+	do_stuff();
+
+
+	next();
+	next();
+	next();
+	next();
+	next();
+	next();
+	next();
+
+
+	next();
+	do_stuff();
+
+	next();
+	do_stuff();
+
+	next();
+	do_stuff();
+
+	CALL( task_mode(BACKGROUND_TASK) );	
+	printf("Exiting...\n");
+
+	return 0;	
+}
-- 
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