From dcf4ebe433c2c220c5c4b8aa5edf38f6d9a3b8f6 Mon Sep 17 00:00:00 2001
From: Kenneth Chan <kchan049@ucr.edu>
Date: Mon, 7 Nov 2016 14:17:43 -0800
Subject: Delete towelroot.c

---
 towelroot.c | 56 --------------------------------------------------------
 1 file changed, 56 deletions(-)
 delete mode 100644 towelroot.c

diff --git a/towelroot.c b/towelroot.c
deleted file mode 100644
index 51c2962..0000000
--- a/towelroot.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <linux/futex.h>
-#include "userlock.h"
-  
-int A = 0, B = 0;
-  
-volatile int invoke_futex_wait_requeue_pi = 0;
-volatile pid_t thread_tid = -1;
-  
-void *thread(void *arg)
-{
-    thread_tid = gettid();
-    printf("[2]\n");
-    userlock_wait(&invoke_futex_wait_requeue_pi);
-    futex_wait_requeue_pi(&A, &B);
-    printf("Someone woke me up\n");
-    while (1) {
-        sleep(1);
-    }
-}
-  
-int main(int argc, char *argv[])
-{
-    pthread_t t;
-    int context_switch_count = 0;
-  
-    printf("[1]\n");
-  
-    futex_lock_pi(&B);
-  
-    userlock_lock(&invoke_futex_wait_requeue_pi);
-    pthread_create(&t, NULL, thread, NULL);
-    /* Wait for the thread to be in a system call */
-    while (thread_tid < 0) {
-        usleep(10);
-    }
-    context_switch_count = get_voluntary_ctxt_switches(thread_tid);
-    userlock_release(&invoke_futex_wait_requeue_pi);
-    wait_for_thread_to_wait_in_kernel(thread_tid, context_switch_count);
-  
-    printf("[3]\n");
-    futex_requeue_pi(&A, &B, A);
-  
-    printf("[4]\n");
-    B = 0;
-  
-    printf("[5]\n");
-    futex_requeue_pi(&B, &B, B);
-  
-    while (1) {
-        sleep(1);
-    }
-    return 0;
-}
-- 
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