summary refs log tree commit diff
path: root/linuxthreads/Examples/ex13.c
diff options
context:
space:
mode:
Diffstat (limited to 'linuxthreads/Examples/ex13.c')
-rw-r--r--linuxthreads/Examples/ex13.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/linuxthreads/Examples/ex13.c b/linuxthreads/Examples/ex13.c
deleted file mode 100644
index 14add6c773..0000000000
--- a/linuxthreads/Examples/ex13.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* Test for Pthreads/mutexes.
-   Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Kurt Garloff <garloff@suse.de>, 2000.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-static void *thread_start (void *ptr) __attribute__ ((__noreturn__));
-
-
-struct thr_ctrl
-{
-  pthread_mutex_t mutex;
-  pthread_cond_t cond;
-  int retval;
-};
-
-static void
-dump_mut (pthread_mutex_t * mut)
-{
-  size_t i;
-  for (i = 0; i < sizeof (*mut); i++)
-    printf (" %02x", *((unsigned char *) mut + i));
-  printf ("\n");
-};
-
-/* Helper, the opposite of pthread_cond_wait (cond, mut).  */
-static void
-pthr_cond_signal_mutex (pthread_cond_t * cond, pthread_mutex_t * mut)
-{
-  int err;
-  err = pthread_mutex_lock (mut);
-  if (err)
-    printf ("mutex_lock  : %s\n", strerror (err));
-  err = pthread_cond_signal (cond);
-  if (err)
-    printf ("cond_signal : %s\n", strerror (err));
-  err = pthread_mutex_unlock (mut);
-  if (err)
-    printf ("mutex_unlock: %s\n", strerror (err));
-}
-
-static void *
-thread_start (void *ptr)
-{
-  struct thr_ctrl *tc = ptr;
-  /* Do initialization.  */
-  /* ... */
-  /* Signal that we are ready.  */
-  pthr_cond_signal_mutex (&tc->cond, &tc->mutex);
-  sleep (2);
-  pthr_cond_signal_mutex (&tc->cond, &tc->mutex);
-  tc->retval = 0;
-  pthread_exit (&tc->retval);
-}
-
-int
-main (void)
-{
-  struct thr_ctrl threadctrl;
-  pthread_t thread;
-  int err;
-  void *res = &threadctrl.retval;
-  pthread_mutexattr_t mutattr;
-  pthread_mutexattr_init (&mutattr);
-  pthread_mutex_init (&threadctrl.mutex, &mutattr);
-  pthread_cond_init (&threadctrl.cond, NULL);
-  err = pthread_mutex_lock (&threadctrl.mutex);
-  if (err)
-    printf ("mutex_lock : %s\n", strerror (err));
-  dump_mut (&threadctrl.mutex);
-  pthread_create (&thread, NULL, thread_start, &threadctrl);
-  /* Wait until it's ready.  */
-  err = pthread_cond_wait (&threadctrl.cond, &threadctrl.mutex);
-  if (err)
-    printf ("cond_wait  : %s\n", strerror (err));
-  /* Now, we should have acquired the mutex again!  */
-  dump_mut (&threadctrl.mutex);
-  sleep (1);
-  dump_mut (&threadctrl.mutex);
-  err = pthread_cond_wait (&threadctrl.cond, &threadctrl.mutex);
-  if (err)
-    {
-      printf ("cond_wait  : %s\n", strerror (err));
-      printf ("ERROR\n");
-      abort ();
-    };
-  dump_mut (&threadctrl.mutex);
-  pthread_join (thread, &res);
-  printf ("OK\n");
-  return 0;
-}