get rid of that trash

27 files changed, 0 insertions, 1191 deletions

diff --git a/csci4061/091420_breakout/Makefile b/csci4061/091420_breakout/Makefile
deleted file mode 100644
index 1e807a9..0000000
--- a/csci4061/091420_breakout/Makefile
+++ /dev/null
@@ -1,16 +0,0 @@
-CC=gcc
-CFLAGS=-I./include
-OBJ=main.o name.o address.o major.o
-EXE=w2.out
-
-all: $(EXE)
-
-$(EXE): $(OBJ)
-	$(CC) -o $@ $^ $(CFLAGS)
-
-%.o: %.c
-	$(CC) -c -o $@ $< $(CFLAGS)
-clean:
-	rm *.o $(EXE)
-run:
-	./$(EXE)
\ No newline at end of file
diff --git a/csci4061/091420_breakout/address.c b/csci4061/091420_breakout/address.c
deleted file mode 100644
index 3f36f70..0000000
--- a/csci4061/091420_breakout/address.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "include/main.h"
-#include "include/address.h"
-
-/*
- * Write getAddress function
- * void getAddress(char * address);
- * Prints a prompt "Enter your address: " to get an address,
- * Reads in the user's address
- */
-
-void getAddress(char * address) {
-    printf("Enter your address: ");
-    fgets(address, maxLen, stdin);
-    fflush(stdin);
-}
\ No newline at end of file
diff --git a/csci4061/091420_breakout/include/address.h b/csci4061/091420_breakout/include/address.h
deleted file mode 100644
index 97a4c03..0000000
--- a/csci4061/091420_breakout/include/address.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef INC_091420_BREAKOUT_ADDRESS_H
-#define INC_091420_BREAKOUT_ADDRESS_H
-
-void getAddress(char * address);
-
-#endif //INC_091420_BREAKOUT_ADDRESS_H
diff --git a/csci4061/091420_breakout/include/main.h b/csci4061/091420_breakout/include/main.h
deleted file mode 100644
index 6f7f6fe..0000000
--- a/csci4061/091420_breakout/include/main.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef INC_091420_BREAKOUT_MAIN_H
-#define INC_091420_BREAKOUT_MAIN_H
-
-#include <stdio.h>
-static const int maxLen = 100;
-
-#endif //INC_091420_BREAKOUT_MAIN_H
diff --git a/csci4061/091420_breakout/include/major.h b/csci4061/091420_breakout/include/major.h
deleted file mode 100644
index e649ea6..0000000
--- a/csci4061/091420_breakout/include/major.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef INC_091420_BREAKOUT_MAJOR_H
-#define INC_091420_BREAKOUT_MAJOR_H
-
-void getMajor(char * major);
-
-#endif //INC_091420_BREAKOUT_MAJOR_H
diff --git a/csci4061/091420_breakout/include/name.h b/csci4061/091420_breakout/include/name.h
deleted file mode 100644
index 2bb96aa..0000000
--- a/csci4061/091420_breakout/include/name.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef INC_091420_BREAKOUT_NAME_H
-#define INC_091420_BREAKOUT_NAME_H
-
-void getName(char * name);
-
-#endif //INC_091420_BREAKOUT_NAME_H
diff --git a/csci4061/091420_breakout/main.c b/csci4061/091420_breakout/main.c
deleted file mode 100644
index aeb989e..0000000
--- a/csci4061/091420_breakout/main.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Recitation section number:
- * Breakout Group Number:
- * Member name (email address):
- * Member name (email address):
- * Member name (email address):
- * Member name (email address):
- * Member name (email address):
- * Member name (email address):
- * Member name (email address):
- */
-
-#include "include/main.h"
-#include "include/name.h"
-#include "include/address.h"
-#include "include/major.h"
-
-int main() {
-
-    char name[maxLen];
-    char address[maxLen];
-    char major[maxLen];
-
-    printf("Hi there! \nTell me more about you.\n");
-    getName(name);
-    getAddress(address);
-    getMajor(major);
-
-    printf("Thanks for your information!\n");
-    printf("Your name: %s", name);
-    printf("Your address: %s", address);
-    printf("Your major: %s", major);
-    printf("Bye!\n");
-
-    return 0;
-}
\ No newline at end of file
diff --git a/csci4061/091420_breakout/major.c b/csci4061/091420_breakout/major.c
deleted file mode 100644
index cfc9cef..0000000
--- a/csci4061/091420_breakout/major.c
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "include/main.h"
-#include "include/major.h"
-
-/*
- * Write getMajor function
- * void getMajor(char * major);
- * Prints a prompt "Enter your major: " to get an major,
- * Reads in the user's major
- */
-
-void getMajor(char * major) {
-    printf("Enter your major: ");
-    fgets(major, maxLen, stdin);
-    fflush(stdin);
-}
\ No newline at end of file
diff --git a/csci4061/091420_breakout/name.c b/csci4061/091420_breakout/name.c
deleted file mode 100644
index 97c2a9d..0000000
--- a/csci4061/091420_breakout/name.c
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "include/main.h"
-#include "include/name.h"
-
-void getName(char * name) {
-    printf("Enter your name: ");
-    fgets(name, maxLen, stdin);
-    fflush(stdin);
-}
\ No newline at end of file
diff --git a/csci4061/092120_breakout/main.c b/csci4061/092120_breakout/main.c
deleted file mode 100644
index 8d8e08d..0000000
--- a/csci4061/092120_breakout/main.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
-CSci 4061 - Recitation 2 - 21st Sept 2020
-Breakout 1
-An iditoic loner's lone attempt
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <errno.h>
-
-int main(int argc, char **argv) {
-	// take 'n' from the input and convert to integer
-	// hint: see cmd slide
-	if (argc < 2) {
-		printf("USAGE: ./main int\n");
-		return -1;
-	}
-	int n = strtol(argv[1], NULL, 10);
-	// for i in n
-	//		create child process
-	//			print pid //hint: check week 2 slides
-	//			call execl to print 'hello there' using 'echo' //hint: check recitation slide
-	pid_t pid;
-	for (int i=0; i<n; i++) {
-		pid = fork();
-		if (pid == 0) {
-			
-		} else {
-printf("%d\n", getpid());
-			execl("/bin/echo", "/bin/echo", "hello", "there", NULL);
-		}
-	}
-	// parent waits for all child processes to terminate
-	for (int i=0; i<n; i++) {
-		wait(NULL);
-	}
-	// parent create child process
-	//		call execv on 'ptime' executable // hint: similar to 'echo' usage in slide
-	pid = fork();
-	if (pid != 0) {
-		char *args[] = {"./ptime", NULL};
-		execv(*args, args);
-	}
-	// parent waits for child to complete
-	waitpid(pid, NULL, 0);
-	return 0;
-}
\ No newline at end of file
diff --git a/csci4061/092820_breakout/main.c b/csci4061/092820_breakout/main.c
deleted file mode 100644
index 0757a06..0000000
--- a/csci4061/092820_breakout/main.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
-* Recitation Section Number: 
-* Breakout Number:
-* Member Name
-* Member Name
-* Member Name
-* Member Name
-*/
-
-
-#include<stdio.h>
-#include <stdlib.h> // For exit() 
-
-
-int main() {
-
-	//STEP 1
-	//Your code to open the file copy the file and close the file
-	FILE* fread = fopen("sample.txt", "r");
-	FILE* fwrite = fopen("sample_copy.txt", "w");
-	int bufsize = 30;
-	char str[bufsize];
-	fgets(str, bufsize, fread);
-	fputs(str, fwrite);
-
-	//STEP 2
-	//Your code to read the text and add the numbers 
-	char* text = "sample text 2 4 5";
-	int a=0, b=0, c=0;
-	char* waste1; char* waste2;
-	sscanf(text, "%s %s %d %d %d", &waste1, &waste2, &a, &b, &c);
-	printf("%d\n", a+b+c);
-
-	return 0;
-
-}
\ No newline at end of file
diff --git a/csci4061/092820_breakout/sample.txt b/csci4061/092820_breakout/sample.txt
deleted file mode 100644
index e568c7b..0000000
--- a/csci4061/092820_breakout/sample.txt
+++ /dev/null
@@ -1 +0,0 @@
-abcdefghijklmnopqrstuvwxya
\ No newline at end of file
diff --git a/csci4061/092820_breakout/sample_copy.txt b/csci4061/092820_breakout/sample_copy.txt
deleted file mode 100644
index e568c7b..0000000
--- a/csci4061/092820_breakout/sample_copy.txt
+++ /dev/null
@@ -1 +0,0 @@
-abcdefghijklmnopqrstuvwxya
\ No newline at end of file
diff --git a/csci4061/100520_breakout/exercise.c b/csci4061/100520_breakout/exercise.c
deleted file mode 100644
index 6d560d5..0000000
--- a/csci4061/100520_breakout/exercise.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-* Recitation Section Number: 
-* Breakout Number:
-* Member Name
-* Member Name
-* Member Name
-* Member Name
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <string.h>
-#define BUFSIZE 20
-#define PERM 0644
-int main(int argc, char *argv[]) {
-	int infile; char buffer[BUFSIZE];
-	// create/open a file named write.txt
-	infile = open("write.txt", O_CREAT | O_RDWR | O_TRUNC, PERM);
-	// write hello world to write.txtS
-	write(infile, "hello world\n", 12);
-	// spawn a child process and use this child process to reroute stdout to write.txt
-	pid_t pid = fork();
-	if (!pid) {
-		dup2(infile, 1);
-	}
-	// print pid
-	printf("Process %d\n", pid);
-	
-	// use the child process spawned previously to read the contents from write.txt, restore output to stdout
-	// and then prints the contents of write.txt to stdout.
-	if (!pid) {
-		read(infile, buffer, 20);
-		int stdout = open("/dev/tty", O_WRONLY);
-		dup2(1, stdout);
-		printf("%s\n", buffer);
-		return 0;
-	}
-	// print pid
-	printf("%d\n", pid);
-	// close the file write.txt
-	close(infile);
-	return 0;
-}
\ No newline at end of file
diff --git a/csci4061/101220_breakout/exercise.c b/csci4061/101220_breakout/exercise.c
deleted file mode 100644
index b6e863e..0000000
--- a/csci4061/101220_breakout/exercise.c
+++ /dev/null
@@ -1,82 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <string.h>
-#include <time.h>
-
-int numOfEntry(char *path)
-{
-    int count = 0;
-    DIR *dir = opendir(path);
-    struct dirent *entry;
-
-    while ((entry = readdir(dir)) != NULL)
-    {
-
-        if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
-            continue;
-
-        count++;
-    }
-
-    closedir(dir);
-
-    return count;
-}
-
-int main(int argc, char **argv)
-{
-
-    if (argc < 2)
-    {
-        printf("Pass the path as an argument to the program");
-        exit(1);
-    }
-
-    char *path = argv[1];
-
-    DIR *dir = opendir(path);
-    if (dir == NULL)
-    {
-        printf("The path passed is invalid");
-        return -1;
-    }
-    struct dirent *entry;
-
-    while ((entry = readdir(dir)) != NULL)
-    {
-
-        if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
-            continue;
-
-        if (entry->d_type == DT_DIR)
-        {
-            char next[strlen(path) + strlen(entry->d_name) + 2];
-            next[0] = '\0';
-            strcat(next, path);
-            strcat(next, "/");
-            strcat(next, entry->d_name);
-            printf("Directory: %s\n\tEntries: %d\n", entry->d_name, numOfEntry(next));
-        }
-        else if (entry->d_type == DT_REG)
-        {
-            struct stat *buf = (struct stat *)malloc(sizeof(struct stat));
-            stat(entry->d_name, buf);
-            printf("Regular File: %s\n\tOwner: %d\n\tSize: %f\n\tInode: %llu\n",
-                   entry->d_name, buf->st_uid, (double)buf->st_size, buf->st_ino);
-            free(buf);
-        }
-        else
-        {
-            printf("File: %s\n\tType:%hhu\n", entry->d_name, entry->d_type);
-        }
-    }
-
-    closedir(dir);
-    return 0;
-}
\ No newline at end of file
diff --git a/csci4061/101920_breakout/pipe_template.c b/csci4061/101920_breakout/pipe_template.c
deleted file mode 100644
index 2c37941..0000000
--- a/csci4061/101920_breakout/pipe_template.c
+++ /dev/null
@@ -1,65 +0,0 @@
-// -----------------------------------------------------------------------------
-// Pipes
-//
-// Write a program that creates a child process and pipes the string
-// "hello child" to the child to be printed. The parent should wait for the
-// child to terminate
-//
-// Template: Implement the TODOs
-//
-// Expected output:
-// Parent Sending: hello child
-// Child Received: hello child
-// -----------------------------------------------------------------------------
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-int main(void) {
-  // Open pipe
-  int ends[2];
-  pipe(ends);
-
-  char string_to_send[] = "hello child";
-  int bytes_to_send_recv = strlen(string_to_send) + 1;
-
-  // Create child process
-  pid_t pid = fork();
-  if (pid < 0) {
-    // Error
-    fprintf(stderr, "ERROR: Failed to fork\n");
-  }
-  else if (pid > 0) {
-    // Parent
-    printf("Parent Sending: %s\n", string_to_send);
-
-    // Parent doesn't need read file descriptor
-    close(ends[0]);
-    // Write the string to the pipe
-    write(ends[1], string_to_send, bytes_to_send_recv);
-    // Done writing
-    close(ends[1]);
-    // Wait for child to terminate
-    wait(NULL);
-  }
-  else {
-    // Child
-
-    char *recv_buffer = malloc(bytes_to_send_recv);
-
-    // Child doesn't need write file descriptor
-    close(ends[1]);
-    // Read the string from the pipe
-    read(ends[0], recv_buffer, bytes_to_send_recv);
-    // Done reading
-    close(ends[0]);
-    // Print result
-    printf("Child Received: %s\n", recv_buffer);
-    free(recv_buffer);
-  }
-
-  return 0;
-}
diff --git a/csci4061/102620_breakout/msg_queue_template.c b/csci4061/102620_breakout/msg_queue_template.c
deleted file mode 100644
index af026f3..0000000
--- a/csci4061/102620_breakout/msg_queue_template.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
-* Recitation Section Number: 02
-* Breakout Number: 05
-* Graden Hill (hill1582)
-* Gustav Baumgart (baumg260)
-* Matt Strapp (strap012)
-* Skylan Recnana (recan001)
-*/
-
-#include <stdio.h>
-#include <sys/ipc.h>
-#include <sys/msg.h>
-#include <sys/wait.h>
-#include <zconf.h>
-#include <string.h>
-#include <stdlib.h>
-
-#define PERM 0666
-#define MSGSIZE 100
-#define NCHILD 3
-
-// structure for message queue
-typedef struct msg_buffer {
-    long mtype;
-    char mtext[MSGSIZE];
-} message;
-
-int main(void) {
-    key_t key;
-    int msgid;
-    pid_t pid1, pid2;
-    message msg;
-
-    // generate unique key
-    key = ftok("recitation", 4061);
-
-    // creates a message queue
-    msgid = msgget(key, PERM | IPC_CREAT);
-
-
-    // sender child process
-    pid1 = fork();
-    if (pid1 == 0) {
-        for (int i = 0; i < NCHILD; i++) {
-            msg.mtype = 111;
-            memset(msg.mtext, '\0', MSGSIZE);
-            sprintf(msg.mtext, "Hello child %d", i);
-            // send message to other child processes
-            msgsnd(msgid, &msg, MSGSIZE, 0);
-
-
-            // display the message
-            printf("[%d] Data sent is : %s \n", i, msg.mtext);
-        }
-
-        for (int i = 0; i < NCHILD; i++) {
-            msg.mtype = 222;
-            memset(msg.mtext, '\0', MSGSIZE);
-            sprintf(msg.mtext, "Message %d", i);
-            // send message to other child processes
-            msgsnd(msgid, &msg, MSGSIZE, 0);
-
-            // display the message
-            printf("[%d] Data sent is : %s \n", i, msg.mtext);
-        }
-
-        for (int i = 0; i < NCHILD; i++) {
-            msg.mtype = 333;
-            memset(msg.mtext, '\0', MSGSIZE);
-            sprintf(msg.mtext, "Bye %d", i);
-            // send message to other child processes
-            msgsnd(msgid, &msg, MSGSIZE, 0);
-
-                // display the message
-                printf("[%d] Data sent is : %s \n", i, msg.mtext);
-        }
-
-        exit(0);
-    } else if (pid1 < 0) {
-        printf("fork1 error\n");
-        return -1;
-    }
-
-    // receiver child processes
-    for (int j = 0; j < NCHILD; j++) {
-        if ((pid2 = fork()) == 0) {
-            // receive message
-            msgrcv(msgid, &msg, MSGSIZE, 222, 0);
-
-
-            // display the message
-            printf("[%d] Data received is : %s \n", j, msg.mtext);
-
-            exit(0);
-        } else if (pid2 < 0) {
-            printf("fork2 error\n");
-            return -1;
-        }
-    }
-
-    while (wait(NULL) > 0);
-
-    // to destroy the message queue
-    msgctl(msgid, IPC_RMID, NULL);
-
-
-    return 0;
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/chap8/Makefile b/csci4061/110920_breakout/chap8/Makefile
deleted file mode 100644
index bd92bec..0000000
--- a/csci4061/110920_breakout/chap8/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-pgm81: pgm_8_1.c
-	gcc pgm_8_1.c -lm -o  out
-	./out 5
-
-pgm85: pgm_8_5.c
-	gcc pgm_8_5.c -lm -o  out
-	./out
-
-.PHONY: clean
-
-clean:
-	rm out
diff --git a/csci4061/110920_breakout/chap8/pgm_8_1.c b/csci4061/110920_breakout/chap8/pgm_8_1.c
deleted file mode 100644
index a979bb6..0000000
--- a/csci4061/110920_breakout/chap8/pgm_8_1.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// Program 8.1
-
-#include <math.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
- 
-int main(int argc,  char *argv[]) {
-   int i;
-   sigset_t intmask;
-   int repeatfactor;
-   double y = 0.0;
- 
-   if (argc != 2) {
-      fprintf(stderr, "Usage: %s repeatfactor\n", argv[0]);
-      return 1; 
-   }   
-   repeatfactor = atoi(argv[1]);
-   if ((sigemptyset(&intmask) == -1) || (sigaddset(&intmask, SIGINT) == -1)){
-      perror("Failed to initialize the signal mask");
-      return 1;
-   }
-   for ( ; ; ) {
-      if (sigprocmask(SIG_BLOCK, &intmask, NULL) == -1)
-         break; 
-      fprintf(stderr, "SIGINT signal blocked\n");
-      for (i = 0; i < repeatfactor; i++) 
-         y += sin((double)i);
-      fprintf(stderr, "Blocked calculation is finished, y = %f\n", y);
-      sleep(3);
-      if (sigprocmask(SIG_UNBLOCK, &intmask, NULL) == -1)
-         break;
-      fprintf(stderr, "SIGINT signal unblocked\n");
-      for (i = 0; i < repeatfactor; i++) 
-         y += sin((double)i);
-      fprintf(stderr, "Unblocked calculation is finished, y=%f\n", y);
-      sleep(3);
-   }    
-   perror("Failed to change signal mask");
-   return 1;
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/chap8/pgm_8_5.c b/csci4061/110920_breakout/chap8/pgm_8_5.c
deleted file mode 100644
index b20cdfa..0000000
--- a/csci4061/110920_breakout/chap8/pgm_8_5.c
+++ /dev/null
@@ -1,43 +0,0 @@
-// Program 8.5
-
-#include <math.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-static volatile sig_atomic_t doneflag = 0;
-
-/* ARGSUSED */
-static void setdoneflag(int signo) {
-   doneflag = 1;
-}
-
-int main (void) {
-   struct sigaction act;
-   int count = 0;
-   double sum = 0;
-   double x;
-
-   act.sa_handler = setdoneflag;            /* set up signal handler */
-   act.sa_flags = 0;
-   if ((sigemptyset(&act.sa_mask) == -1) ||
-       (sigaction(SIGINT, &act, NULL) == -1)) {
-      perror("Failed to set SIGINT handler");
-      return 1;
-   }
-    
-   while (!doneflag) {
-      x = (rand() + 0.5)/(RAND_MAX + 1.0);
-      sum += sin(x);
-      count++;
-      printf("Count is %d and average is %f\n", count, sum/count);
-      sleep(3);
-   }
-
-   printf("Program terminating ...\n");
-   if (count == 0)
-      printf("No values calculated yet\n");
-   else
-      printf("Count is %d and average is %f\n", count, sum/count);
-   return 0;
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/sol1.c b/csci4061/110920_breakout/sol1.c
deleted file mode 100644
index d33b0df..0000000
--- a/csci4061/110920_breakout/sol1.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-* Recitation Section Number: 9
-* Breakout Number: 6
-* Audrey Hebert (heber169)
-* Qiyu Tian (tian0068)
-* Mouhari Mouhamed (mouha003)
-* Matt Strapp (strap012)
-*/
-
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <time.h>
-
-void infinitePrint() {
-
-	static int count = 0;
-	printf("%ld: Count = %d\n", time(NULL), ++count);
-	sleep(1);
-}
-
-int main() {
-
-	// ------------------sol1.c-----------------
-	// initialize new sigset - sigset_t, sigemptyset
-	sigset_t sigset;
-	sigemptyset(&sigset);
-	// add SIGINT to sigset - sigaddset
-	sigaddset(&sigset, SIGINT);
-	// block SIGINT - sigprocmask
-	sigprocmask(SIG_BLOCK, &sigset, NULL);
-	// Do not modify the while loop and infinitePrint()
-	// -----------------------------------------
-
-	/* Print infinitely. */
-	while (1) infinitePrint();
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/sol2.c b/csci4061/110920_breakout/sol2.c
deleted file mode 100644
index 04dad3e..0000000
--- a/csci4061/110920_breakout/sol2.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
-* Recitation Section Number: 9
-* Breakout Number: 6
-* Audrey Hebert (heber169)
-* Qiyu Tian (tian0068)
-* Mouhari Mouhamed (mouha003)
-* Matt Strapp (strap012)
-*/
-
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <time.h>
-
-// Remember the usage of sig_atomic_t in the recitation example
-static volatile sig_atomic_t doneflag = 0;
-
-static void setdoneflag(int signo) {
-	doneflag = doneflag ^ 1;
-}
-
-void infinitePrint() {
-
-	static int count = 0;
-	printf("%ld: Count = %d\n", time(NULL), ++count);
-	sleep(1);
-}
-
-int main() {
-
-	// ------------------sol2.c-----------------
-	// setup signal handler - sigaction struct, sigemptyset,
-	struct sigaction act;
-	sigset_t sigset;
-	// specify action associated with SIGNT - sigaction()
-	act.sa_handler = setdoneflag; /* set up signal handler */
-	act.sa_flags = 0;
-	if ((sigemptyset(&act.sa_mask) == -1) ||
-		(sigaction(SIGINT, &act, NULL) == -1))
-	{
-		perror("Failed to set SIGINT handler");
-		return 1;
-	}
-	// You are free to modify the while loop but not the infinitePrint()
-	// -----------------------------------------
-
-	/* Print infinitely. */
-	while (1) {
-		if (!doneflag)
-		infinitePrint();
-	}
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/zip/sol1.c b/csci4061/110920_breakout/zip/sol1.c
deleted file mode 100644
index ca60c50..0000000
--- a/csci4061/110920_breakout/zip/sol1.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
-* Recitation Section Number: 9
-* Breakout Number:
-* Audrey Hebert (heber169)
-* Qiyu Tian (tian0068)
-* Mouhari Mouhamed (mouha003)
-* Matt Strapp (strap012)
-*/
-
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <time.h>
-
-void infinitePrint() {
-
-	static int count = 0;
-	printf("%ld: Count = %d\n", time(NULL), ++count);
-	sleep(1);
-}
-
-int main() {
-
-	// ------------------sol1.c-----------------
-	// initialize new sigset - sigset_t, sigemptyset
-	sigset_t sigset;
-	sigemptyset(&sigset);
-	// add SIGINT to sigset - sigaddset
-	sigaddset(&sigset, SIGINT);
-	// block SIGINT - sigprocmask
-	sigprocmask(SIG_BLOCK, &sigset, NULL);
-	// Do not modify the while loop and infinitePrint()
-	// -----------------------------------------
-
-	/* Print infinitely. */
-	while (1) infinitePrint();
-}
\ No newline at end of file
diff --git a/csci4061/110920_breakout/zip/sol2.c b/csci4061/110920_breakout/zip/sol2.c
deleted file mode 100644
index 04dad3e..0000000
--- a/csci4061/110920_breakout/zip/sol2.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
-* Recitation Section Number: 9
-* Breakout Number: 6
-* Audrey Hebert (heber169)
-* Qiyu Tian (tian0068)
-* Mouhari Mouhamed (mouha003)
-* Matt Strapp (strap012)
-*/
-
-#include <stdio.h>
-#include <signal.h>
-#include <unistd.h>
-#include <time.h>
-
-// Remember the usage of sig_atomic_t in the recitation example
-static volatile sig_atomic_t doneflag = 0;
-
-static void setdoneflag(int signo) {
-	doneflag = doneflag ^ 1;
-}
-
-void infinitePrint() {
-
-	static int count = 0;
-	printf("%ld: Count = %d\n", time(NULL), ++count);
-	sleep(1);
-}
-
-int main() {
-
-	// ------------------sol2.c-----------------
-	// setup signal handler - sigaction struct, sigemptyset,
-	struct sigaction act;
-	sigset_t sigset;
-	// specify action associated with SIGNT - sigaction()
-	act.sa_handler = setdoneflag; /* set up signal handler */
-	act.sa_flags = 0;
-	if ((sigemptyset(&act.sa_mask) == -1) ||
-		(sigaction(SIGINT, &act, NULL) == -1))
-	{
-		perror("Failed to set SIGINT handler");
-		return 1;
-	}
-	// You are free to modify the while loop but not the infinitePrint()
-	// -----------------------------------------
-
-	/* Print infinitely. */
-	while (1) {
-		if (!doneflag)
-		infinitePrint();
-	}
-}
\ No newline at end of file
diff --git a/csci4061/111620_breakout/program.c b/csci4061/111620_breakout/program.c
deleted file mode 100644
index 52f67a1..0000000
--- a/csci4061/111620_breakout/program.c
+++ /dev/null
@@ -1,155 +0,0 @@
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <pthread.h>
-
-#define MATSIZE 5000
-
-int mat1[MATSIZE][MATSIZE];
-int mat2[MATSIZE][MATSIZE];
-
-
-typedef struct argstruct {
-    int x_start;
-    int x_end;
-    int y_start;
-    int y_end;
-    int** res_mat;
-} args_t;
-
-int getX_start(int i) {
-    return (i % 2) * MATSIZE / 2;
-}
-int getY_start(int i) {
-    return ((i < 2) ? 0 : 1) * MATSIZE / 2;
-}
-
-
-//TODO: Complete this function (to be accessed by a thread) which will
-//      perform matrix addition on a portion of a matrix, dictated by
-//      the input parameter 'args'
-void * partial_matrix_add(void * args) {
-    int **dest;
-    args_t *input = (struct argstruct *) args;  // params can be accessed using input pointer
-    dest = input->res_mat;   //can be accessed as dest[][] now
-
-    // Todo: Your code goes here (for reference checkout the pseudo code in the slides)
-    for (int i=input->x_start; i<input->x_end; i++) {
-        for (int j=input->y_start; j<input->y_end; j++) {
-            dest[i][j] = mat1[i][j]*mat2[i][j];
-        }
-    }
-    return NULL;
-}
-
-int main() {
-    // to store mulitple dispatcher threads
-    pthread_t m_threads[4];
-
-    // to store single default thread
-    pthread_t s_thread;
-
-    // variable to pass values to multiple thread multiplication
-    args_t m_args[4];
-
-    //variable to pass values to single thread muliplication
-    args_t s_args;
-
-    /**
-     *  initializing matrices for sinlge and multiple matrix multiplication
-     */
-    int i, j, k, c;
-    struct timeval t_multi_start, t_multi_end, t_single_start, t_single_end;
-    int ** res_mat_multi = malloc(MATSIZE * sizeof(int *));
-    int ** res_mat_single = malloc(MATSIZE * sizeof(int *));
-    for(i = 0; i < MATSIZE; i++) {
-        res_mat_multi[i] = malloc(MATSIZE * sizeof(int));
-        res_mat_single[i] = malloc(MATSIZE * sizeof(int));
-    }
-
-    //Populate base matrices with random integers
-    //Initialize result matrices with -1
-    for(j = 0; j < MATSIZE; j++) {
-        for(k = 0; k < MATSIZE; k++) {
-            mat1[j][k] = rand() % 1000 + 1;
-            mat2[j][k] = rand() % 1000 + 1;
-            res_mat_multi[j][k] = -1;
-            res_mat_single[j][k] = -1;
-        }
-    }
-//Version 1 **************************************************************************
-    //Measure time for multiple thread addition
-    gettimeofday(&t_multi_start, NULL);
-
-    //Todo: create attribute for detached threads
-    //Create mulitple threads to populate res_mat_multi with the result
-    //      of performing matrix addition mat1 + mat2
-    for(i = 0; i < 4; i++) {
-
-        int x_start = getX_start(i);
-        int y_start = getY_start(i);
-        int x_end = x_start + MATSIZE/2;
-        int y_end = y_start + MATSIZE/2;
-        m_args[i].res_mat = res_mat_multi;
-        //your code goes here
-        //Todo:Create m_agrs using  x_start, x_end, y_start, y_end, and create detached threads
-        m_args[i].x_start = x_start;
-        m_args[i].x_end = x_end;
-        m_args[i].y_start = y_start;
-        m_args[i].y_end = y_end;
-        pthread_attr_t attr;
-        pthread_attr_init(&attr);
-        pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-        pthread_create(&m_threads[i], &attr, partial_matrix_add, (void *) &m_args[i]);
-    }
-
-    gettimeofday(&t_multi_end, NULL);
-//Version 2  *************************************************************************
-
-    //Measure time for single thread addition
-    gettimeofday(&t_single_start, NULL);
-
-    // Create single thread to populate res_mat_multi with the result
-    //      of performing matrix addition mat1 + mat2
-
-    int x_start = 0;
-    int x_end = MATSIZE;
-    int y_start = 0;
-    int y_end = MATSIZE;
-    s_args.res_mat = res_mat_single;
-    //your code goes here
-    //Todo: Assign values to s_args using x_start, y_start etc.
-    s_args.x_start = x_start;
-    s_args.y_start = y_start;
-    s_args.x_end = x_end;
-    s_args.y_end = y_end;
-    //Todo:Create thread
-    pthread_create(&s_thread, NULL, partial_matrix_add, (void *) &s_args);
-    //Todo:join thread
-    pthread_join(s_thread, NULL);
-    gettimeofday(&t_single_end, NULL);
-
-// **********************************************************************************
-    //Don't change anything from here
-    //Test to ensure that both methods produce the same result
-    c = 0;
-    for(j = 0; j < MATSIZE; j++) {
-        for(k = 0; k < MATSIZE; k++) {
-            if(res_mat_multi[j][k] == res_mat_single[j][k] && res_mat_multi[j][k] != -1) {
-                c++;
-            }
-        }
-    }
-    printf("Verification: %d out of %d entries matched.\n", c, MATSIZE * MATSIZE);
-    //Display time for each version
-    double time_taken;
-    time_taken = (t_multi_end.tv_sec - t_multi_start.tv_sec) * 1e6;
-    time_taken = (time_taken + (t_multi_end.tv_usec - t_multi_start.tv_usec)) * 1e-6;
-    printf("Time for multiple threads: %f seconds\n", time_taken);
-
-    time_taken = (t_single_end.tv_sec - t_single_start.tv_sec) * 1e6;
-    time_taken = (time_taken + (t_single_end.tv_usec - t_single_start.tv_usec)) * 1e-6;
-    printf("Time for single thread: %f seconds\n", time_taken);
-    return 0;
-}
diff --git a/csci4061/112320_breakout/sol-condition_variables.c b/csci4061/112320_breakout/sol-condition_variables.c
deleted file mode 100644
index 86cafb1..0000000
--- a/csci4061/112320_breakout/sol-condition_variables.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#define NUM_ARGS 0
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <string.h>
-#include <time.h>
-#include <pthread.h>
-#include <semaphore.h>
-#include <sys/time.h>
-
-long condTotal = 0;
-
-struct queue {
-
-	int vals[100];
-	int index; //indicates the next available spot
-};
-
-struct condQueue {
-
-	struct queue* q;
-	pthread_cond_t* cond;
-	pthread_mutex_t* mutex;
-};
-
-
-
-void insert(struct queue* q, int val) {
-
-	q->vals[q->index] = val;
-	++q->index;
-}
-
-int delete(struct queue* q) {
-
-	--q->index;
-	int val = q->vals[q->index];
-	return val;
-}
-
-// TODO: Insert code to use a condition variable.
-void *condProducer(void* arg) {
-
-	// Random delay. DO NOT REMOVE!
-	usleep(rand() % 1000);
-
-	struct condQueue* cq = (struct condQueue*) arg;
-
-	pthread_mutex_lock(cq->mutex);
-
-	// Counter.
-	static int in = 0;
-	++in;
-
-	// Add an element to the queue.
-	insert(cq->q, in);
-
-	pthread_cond_signal(cq->cond); //to send signal to any waiting consumer
-	pthread_mutex_unlock(cq->mutex);
-}
-
-// TODO: Insert code to use a condition variable.
-void *condConsumer(void* arg) {
-
-	// Random delay. DO NOT REMOVE!
-	usleep(rand() % 1000);
-
-	struct condQueue* cq = (struct condQueue*) arg;
-
-	pthread_mutex_lock(cq->mutex);
-	while (cq->q->index < 1) pthread_cond_wait(cq->cond, cq->mutex);//wait if buffer is empty
-
-	// Remove an element from the queue.
-	condTotal += delete(cq->q);
-
-	pthread_mutex_unlock(cq->mutex);
-}
-
-int main(int argc, char** argv) {
-
-	if (argc != NUM_ARGS + 1) {
-
-		printf("Wrong number of args, expected %d, given %d\n", NUM_ARGS, argc - 1);
-		exit(1);
-	}
-
-	// Seed the random generator.
-	srand(time(NULL));
-
-	// Create threads.
-	pthread_t condPool[100];
-
-	struct timeval start;
-	gettimeofday(&start, NULL);
-
-	// Create the cond variable controlled task queue.
-	struct condQueue* cq = (struct condQueue*) malloc(sizeof(struct condQueue));
-	cq->q = (struct queue*) malloc(sizeof(struct queue));
-	cq->q->index=0;
-
-	// Allocate memory and initialize condition variable and mutex
-	cq->cond = (pthread_cond_t*) malloc(sizeof(pthread_cond_t));
-	cq->mutex = (pthread_mutex_t*) malloc(sizeof(pthread_mutex_t));
-	pthread_cond_init(cq->cond, NULL);
-	pthread_mutex_init(cq->mutex, NULL);
-
-	// Launch them.
-	for (int i=0; i < 50; ++i) {
-
-		pthread_create(&condPool[i], NULL, condProducer, (void*) cq); //start 50 producer threads
-		pthread_create(&condPool[50 + i], NULL, condConsumer, (void*) cq); //start 50 consumer threads
-	}
-
-	for (int i=0; i < 100; ++i) pthread_join(condPool[i], NULL); //wait for all the threads to be finished
-
-	struct timeval end;
-	gettimeofday(&end, NULL);
-
-	printf("Cond Test: \nTotal of buffer = %ld\n", condTotal);
-	printf("Time (in us) to run = %ld\n\n", ((end.tv_sec - start.tv_sec) * 1000000) + (end.tv_usec - start.tv_usec));
-
-	}
diff --git a/csci4061/112320_breakout/sol-semaphore.c b/csci4061/112320_breakout/sol-semaphore.c
deleted file mode 100644
index 4af3a5b..0000000
--- a/csci4061/112320_breakout/sol-semaphore.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#define NUM_ARGS 0
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <string.h>
-#include <time.h>
-#include <pthread.h>
-#include <semaphore.h>
-#include<sys/time.h>
-
-long semTotal = 0;
-
-struct buffer {
-
-	int vals[100];
-	int index;
-};
-
-struct semBuffer {
-
-	struct buffer* q;
-	sem_t* psem;
-	sem_t* csem;
-	pthread_mutex_t* mutex;
-};
-
-void insert(struct buffer* q, int val) {
-
-	q->vals[q->index] = val;
-	++q->index;
-}
-
-int delete(struct buffer* q) {
-
-	--q->index;
-	int val = q->vals[q->index];
-	return val;
-}
-
-// TODO: Insert code to use a semaphore.
-void* semProducer(void* arg) {
-
-	// Random delay. DO NOT REMOVE!
-	usleep(rand() % 1000);
-
-	struct semBuffer* sq = (struct semBuffer*) arg;
-	sem_wait(sq->psem);
-	pthread_mutex_lock(sq->mutex);
-
-	static int in = 0;
-	++in;
-	// Add an element to the queue.
-	insert(sq->q, in);
-
-	pthread_mutex_unlock(sq->mutex);
-	sem_post(sq->csem);
-
-}
-
-// TODO: Insert code to use a semaphore.
-void* semConsumer(void* arg) {
-
-	// Random delay. DO NOT REMOVE!
-	usleep(rand() % 1000);
-
-	struct semBuffer* sq = (struct semBuffer*) arg;
-
-	sem_wait(sq->csem);
-	pthread_mutex_lock(sq->mutex);
-
-	// Reove an element from the queue.
-	semTotal += delete(sq->q);
-
-	pthread_mutex_unlock(sq->mutex);
-	sem_post(sq->psem);
-}
-
-int main(int argc, char** argv) {
-
-	if (argc != NUM_ARGS + 1) {
-
-		printf("Wrong number of args, expected %d, given %d\n", NUM_ARGS, argc - 1);
-		exit(1);
-	}
-
-	// Seed the random generator.
-	srand(time(NULL));
-
-	// Create threads.
-	pthread_t semPool[100];
-
-	struct timeval start;
-	gettimeofday(&start, NULL);
-
-	// Create task queue.
-	struct semBuffer* sq = (struct semBuffer*) malloc(sizeof(struct semBuffer));
-
-	sq->q = (struct buffer*) malloc(sizeof(struct buffer));
-	sq->q->index=0;
-	sq->psem = (sem_t*) malloc(sizeof(sem_t));
-	sq->csem = (sem_t*) malloc(sizeof(sem_t));
-	sq->mutex = (pthread_mutex_t*) malloc(sizeof(pthread_mutex_t));
-
-	// TODO: Initilaize semaphores
-	sem_init(sq->psem, 0, 50);
-	sem_init(sq->csem, 0, 0);
-	
-	pthread_mutex_init(sq->mutex, NULL);
-
-	for (int i=0; i < 50; ++i) {
-
-		pthread_create(&semPool[i], NULL, semProducer, (void*) sq);
-		pthread_create(&semPool[50 + i], NULL, semConsumer, (void*) sq);
-	}
-
-	for (int i=0; i < 100; ++i) pthread_join(semPool[i], NULL);
-
-	struct timeval end;
-	gettimeofday(&end, NULL);
-	printf("Sem Test: \nTotal of buffer  = %ld\n", semTotal);
-	printf("Time (in us) to complete = %ld\n", ((end.tv_sec - start.tv_sec) * 1000000) + (end.tv_usec - start.tv_usec));
-}