From 70427f6589c75d2cff7983f93d58a9728d6eebf2 Mon Sep 17 00:00:00 2001
From: "Bjoern B. Brandenburg" <bbb@cs.unc.edu>
Date: Tue, 19 Feb 2008 15:51:14 -0500
Subject:    add release_ts utility

---
 Makefile         |  5 ++++-
 bin/release_ts.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 bin/release_ts.c

diff --git a/Makefile b/Makefile
index 8ac8f38..fe850a7 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ LIBS= ./liblitmus.a
 LIB_OBJ=  litmus.o syscalls.o sched_trace.o task.o kernel_iface.o
 
 TARGETS = run rt_launch liblitmus.a \
-          wait_test np_test stdump mode_test base_task base_mt_task
+          wait_test np_test stdump mode_test base_task base_mt_task release_ts
 
 vpath %.h include/
 vpath %.c src/ bin/
@@ -40,6 +40,9 @@ run: run.o ${LIBS}
 rt_launch: liblitmus.a litmus.h rt_launch.o
 	cc -static -o rt_launch  rt_launch.o ${LIBS}
 
+release_ts: liblitmus.a litmus.h release_ts.o
+	cc -static -o release_ts release_ts.o ${LIBS}
+
 stdump: liblitmus.a litmus.h sched_trace.h stdump.o
 	cc -o stdump  stdump.o ${LIBS}
 
diff --git a/bin/release_ts.c b/bin/release_ts.c
new file mode 100644
index 0000000..4d4c9e8
--- /dev/null
+++ b/bin/release_ts.c
@@ -0,0 +1,50 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "litmus.h"
+
+#define OPTSTR "d:"
+#define NS_PER_MS 1000000
+
+void usage(char *error) {
+	fprintf(stderr,
+		"%s\n"
+		"Usage: release_ts [-d <delay in ms>]\n",
+		error);
+	exit(1);
+}
+
+
+int main(int argc, char** argv)
+{
+	int released;
+	lt_t delay = ms2lt(1000);
+	int opt;
+      
+	while ((opt = getopt(argc, argv, OPTSTR)) != -1) {
+		switch (opt) {
+		case 'd':
+			delay = ms2lt(atoi(optarg));
+			break;
+		case ':':
+			usage("Argument missing.");
+			break;
+		case '?':
+		default:
+			usage("Bad argument.");
+			break;
+		}
+	}
+
+	released = release_ts(&delay);
+	if (released < 0) {
+		perror("release task system");
+		exit(1);
+	}
+	
+	printf("Released %d real-time tasks.\n", released);
+
+	return 0;
+}
+
-- 
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