linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository).

1 files changed, 0 insertions, 124 deletions

diff --git a/linuxthreads/Examples/ex2.c b/linuxthreads/Examples/ex2.c
deleted file mode 100644
index f2556a4206..0000000000
--- a/linuxthreads/Examples/ex2.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/* The classic producer-consumer example.
-   Illustrates mutexes and conditions.
-   All integers between 0 and 9999 should be printed exactly twice,
-   once to the right of the arrow and once to the left. */
-
-#include <stdio.h>
-#include "pthread.h"
-
-#define BUFFER_SIZE 16
-
-/* Circular buffer of integers. */
-
-struct prodcons
-{
-  int buffer[BUFFER_SIZE];	/* the actual data */
-  pthread_mutex_t lock;		/* mutex ensuring exclusive access to buffer */
-  int readpos, writepos;	/* positions for reading and writing */
-  pthread_cond_t notempty;	/* signaled when buffer is not empty */
-  pthread_cond_t notfull;	/* signaled when buffer is not full */
-};
-
-/* Initialize a buffer */
-static void
-init (struct prodcons *b)
-{
-  pthread_mutex_init (&b->lock, NULL);
-  pthread_cond_init (&b->notempty, NULL);
-  pthread_cond_init (&b->notfull, NULL);
-  b->readpos = 0;
-  b->writepos = 0;
-}
-
-/* Store an integer in the buffer */
-static void
-put (struct prodcons *b, int data)
-{
-  pthread_mutex_lock (&b->lock);
-  /* Wait until buffer is not full */
-  while ((b->writepos + 1) % BUFFER_SIZE == b->readpos)
-    {
-      pthread_cond_wait (&b->notfull, &b->lock);
-      /* pthread_cond_wait reacquired b->lock before returning */
-    }
-  /* Write the data and advance write pointer */
-  b->buffer[b->writepos] = data;
-  b->writepos++;
-  if (b->writepos >= BUFFER_SIZE)
-    b->writepos = 0;
-  /* Signal that the buffer is now not empty */
-  pthread_cond_signal (&b->notempty);
-  pthread_mutex_unlock (&b->lock);
-}
-
-/* Read and remove an integer from the buffer */
-static int
-get (struct prodcons *b)
-{
-  int data;
-  pthread_mutex_lock (&b->lock);
-  /* Wait until buffer is not empty */
-  while (b->writepos == b->readpos)
-    {
-      pthread_cond_wait (&b->notempty, &b->lock);
-    }
-  /* Read the data and advance read pointer */
-  data = b->buffer[b->readpos];
-  b->readpos++;
-  if (b->readpos >= BUFFER_SIZE)
-    b->readpos = 0;
-  /* Signal that the buffer is now not full */
-  pthread_cond_signal (&b->notfull);
-  pthread_mutex_unlock (&b->lock);
-  return data;
-}
-
-/* A test program: one thread inserts integers from 1 to 10000,
-   the other reads them and prints them. */
-
-#define OVER (-1)
-
-struct prodcons buffer;
-
-static void *
-producer (void *data)
-{
-  int n;
-  for (n = 0; n < 10000; n++)
-    {
-      printf ("%d --->\n", n);
-      put (&buffer, n);
-    }
-  put (&buffer, OVER);
-  return NULL;
-}
-
-static void *
-consumer (void *data)
-{
-  int d;
-  while (1)
-    {
-      d = get (&buffer);
-      if (d == OVER)
-	break;
-      printf ("---> %d\n", d);
-    }
-  return NULL;
-}
-
-int
-main (void)
-{
-  pthread_t th_a, th_b;
-  void *retval;
-
-  init (&buffer);
-  /* Create the threads */
-  pthread_create (&th_a, NULL, producer, 0);
-  pthread_create (&th_b, NULL, consumer, 0);
-  /* Wait until producer and consumer finish. */
-  pthread_join (th_a, &retval);
-  pthread_join (th_b, &retval);
-  return 0;
-}