add release_ts utility

1 files changed, 50 insertions, 0 deletions

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;
+}
+