From 2ca3673f2cc04531a852f09cf60691827e1ff147 Mon Sep 17 00:00:00 2001
From: Stathis Kamperis <ekamperi@auth.gr>
Date: Wed, 2 Jan 2008 13:02:40 +0200
Subject: [PATCH] Massive cosmetic stuff

---
 pthreads/sleepbarber.c | 174 ++++++++++++++++++++++++-------------------------
 1 file changed, 87 insertions(+), 87 deletions(-)
 rewrite pthreads/sleepbarber.c (65%)

diff --git a/pthreads/sleepbarber.c b/pthreads/sleepbarber.c
dissimilarity index 65%
index 5037039..e809b9a 100644
--- a/pthreads/sleepbarber.c
+++ b/pthreads/sleepbarber.c
@@ -1,87 +1,87 @@
-/* compile with:
-   gcc sleepbarber.c -o sleepbarber -lpthread -Wall -W -Wextra -ansi -pedantic */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <pthread.h>
-#include <semaphore.h>
-#include <unistd.h>
-
-#define NUM_CUSTOMERS 10
-#define MAX_FREESEATS 2
-
-sem_t barsem;
-sem_t cussem;
-sem_t seasem;   /* mutual exclusion for 'freeseats' */
-
-unsigned int freeseats = MAX_FREESEATS;
-
-/* function prototypes  */
-void *barthread(void *arg);
-void *custhread(void *arg);
-void diep(const char *s);
-
-
-int main(void)
-{
-   pthread_t bartid;
-   pthread_t custid[NUM_CUSTOMERS];
-   int i;
-
-   /* initialize the semaphores */
-   sem_init(&barsem, 0, 0);
-   sem_init(&cussem, 0, 0);
-   sem_init(&seasem, 0, 1);
-
-   /* create the barber thread */
-   if (pthread_create(&bartid, NULL, barthread, NULL))
-       diep("pthread_create");
-
-   /* create the customer threads */
-   for (i = 0; i < NUM_CUSTOMERS; i++)
-      if (pthread_create(&custid[i], NULL, custhread, NULL))
-          diep("pthread_create");
-
-   if (pthread_join(bartid, NULL))    /* wait for the barber to retire :) */
-       diep("pthread_join");
-
-   return EXIT_SUCCESS;
-}
-
-void *barthread(void *arg)
-{
-   while (1) {
-      printf("ZZZzzz\n");
-      sem_wait(&cussem);
-      sem_wait(&seasem);
-      freeseats++;
-      sem_post(&barsem);
-      sem_post(&seasem);
-      printf("The barber is cutting hair\n");
-   }
-   pthread_exit(NULL);
-}
-
-void *custhread(void *arg)
-{
-   printf("Customer has arrived\n");
-   sem_wait(&seasem);
-   if (freeseats > 0) {
-      freeseats--;
-      sem_post(&cussem);
-      sem_post(&seasem);
-      sem_wait(&barsem);
-   }
-   else {
-      printf("No free seats - customer leaving\n");
-      sem_post(&seasem);
-   }
-
-   pthread_exit(NULL);
-}
-
-void diep(const char *s)
-{
-    perror(s);
-    exit(EXIT_FAILURE);
-}
+/* compile with:
+   gcc sleepbarber.c -o sleepbarber -lpthread -Wall -W -Wextra -ansi -pedantic */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <semaphore.h>
+#include <unistd.h>
+
+#define NUM_CUSTOMERS 10
+#define MAX_FREESEATS 2
+
+sem_t barsem;
+sem_t cussem;
+sem_t seasem;   /* mutual exclusion for 'freeseats' */
+
+unsigned int freeseats = MAX_FREESEATS;
+
+/* Function prototypes  */
+void *barthread(void *arg);
+void *custhread(void *arg);
+void diep(const char *s);
+
+int main(void)
+{
+    pthread_t bartid;
+    pthread_t custid[NUM_CUSTOMERS];
+    int i;
+
+    /* Initialize the semaphores */
+    sem_init(&barsem, 0, 0);
+    sem_init(&cussem, 0, 0);
+    sem_init(&seasem, 0, 1);
+
+    /* Create the barber thread */
+    if (pthread_create(&bartid, NULL, barthread, NULL))
+        diep("pthread_create");
+
+    /* Create the customer threads */
+    for (i = 0; i < NUM_CUSTOMERS; i++)
+        if (pthread_create(&custid[i], NULL, custhread, NULL))
+            diep("pthread_create");
+
+    if (pthread_join(bartid, NULL))    /* wait for the barber to retire :) */
+        diep("pthread_join");
+
+    return EXIT_SUCCESS;
+}
+
+void *barthread(void *arg)
+{
+    for (;;) {
+        printf("ZZZzzz\n");
+        sem_wait(&cussem);
+        sem_wait(&seasem);
+        freeseats++;
+        sem_post(&barsem);
+        sem_post(&seasem);
+        printf("The barber is cutting hair\n");
+    }
+
+    pthread_exit(NULL);
+}
+
+void *custhread(void *arg)
+{
+    printf("Customer has arrived\n");
+    sem_wait(&seasem);
+    if (freeseats > 0) {
+        freeseats--;
+        sem_post(&cussem);
+        sem_post(&seasem);
+        sem_wait(&barsem);
+    }
+    else {
+        printf("No free seats - customer leaving\n");
+        sem_post(&seasem);
+    }
+
+    pthread_exit(NULL);
+}
+
+void diep(const char *s)
+{
+    perror(s);
+    exit(EXIT_FAILURE);
+}
-- 
2.11.4.GIT