1 files changed, 0 insertions, 312 deletions
diff --git a/contrib/libobjc/thr-mach.c b/contrib/libobjc/thr-mach.c
deleted file mode 100644
index 44af0c1e2869..000000000000
--- a/contrib/libobjc/thr-mach.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/* GNU Objective C Runtime Thread Implementation
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
-   Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
-   Modified for Mach threads by Bill Bumgarner <bbum@friday.com>
-   Condition functions added by Mircea Oancea <mircea@first.elcom.pub.ro>
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify it under the
-terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2, or (at your option) any later version.
-
-GNU CC 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 General Public License for more
-details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with files compiled with
-   GCC to produce an executable, this does not cause the resulting executable
-   to be covered by the GNU General Public License. This exception does not
-   however invalidate any other reasons why the executable file might be
-   covered by the GNU General Public License.  */
-
-#include <mach/mach.h>
-#include <mach/cthreads.h>
-#include <objc/thr.h>
-#include "runtime.h"
-
-/*
-  Obtain the maximum thread priority that can set for t.  Under the
-  mach threading model, it is possible for the developer to adjust the
-  maximum priority downward only-- cannot be raised without superuser
-  privileges.  Once lowered, it cannot be raised.
-  */
-static int __mach_get_max_thread_priority(cthread_t t, int *base)
-{
-  thread_t threadP;
-  kern_return_t error;
-  struct thread_sched_info info;
-  unsigned int info_count=THREAD_SCHED_INFO_COUNT;
-    
-  if (t == NULL)
-    return -1;
-
-  threadP  = cthread_thread(t); 	/* get thread underlying */
-
-  error=thread_info(threadP, THREAD_SCHED_INFO, 
-		    (thread_info_t)&info, &info_count);
-
-  if (error != KERN_SUCCESS)
-    return -1;
-
-  if (base != NULL)
-    *base = info.base_priority;
-
-  return info.max_priority;
-}
-	
-/* Backend initialization functions */
-
-/* Initialize the threads subsystem. */
-int
-__objc_init_thread_system(void)
-{
-  return 0;
-}
-
-/* Close the threads subsystem. */
-int
-__objc_close_thread_system(void)
-{
-  return 0;
-}
-
-/* Backend thread functions */
-
-/* Create a new thread of execution. */
-objc_thread_t
-__objc_thread_detach(void (*func)(void *arg), void *arg)
-{
-  objc_thread_t thread_id;
-  cthread_t new_thread_handle;
-
-  /* create thread */
-  new_thread_handle = cthread_fork((cthread_fn_t)func, arg);
-
-  if(new_thread_handle)
-    {
-      /* this is not terribly portable */
-      thread_id = *(objc_thread_t *)&new_thread_handle; 
-      cthread_detach(new_thread_handle);
-    }
-  else
-    thread_id = NULL;
-  
-  return thread_id;
-}
-
-/* Set the current thread's priority. */
-int
-__objc_thread_set_priority(int priority)
-{
-  objc_thread_t *t = objc_thread_id();
-  cthread_t cT = (cthread_t) t; 
-  int maxPriority = __mach_get_max_thread_priority(cT, NULL);
-  int sys_priority = 0;
-
-  if (maxPriority == -1)
-    return -1;
-
-  switch (priority)
-    {
-    case OBJC_THREAD_INTERACTIVE_PRIORITY:
-      sys_priority = maxPriority;
-      break;
-    case OBJC_THREAD_BACKGROUND_PRIORITY:
-      sys_priority = (maxPriority * 2) / 3;
-      break;
-    case OBJC_THREAD_LOW_PRIORITY:
-      sys_priority = maxPriority / 3;
-      break;
-    default:
-      return -1;
-    }
-
-  if (sys_priority == 0)
-    return -1;
-
-  /* Change the priority */
-  if (cthread_priority(cT, sys_priority, 0) == KERN_SUCCESS)
-    return 0;
-  else
-    return -1;
-}
-
-/* Return the current thread's priority. */
-int
-__objc_thread_get_priority(void)
-{
-  objc_thread_t *t = objc_thread_id();
-  cthread_t cT = (cthread_t) t; /* see objc_thread_id() */
-  int basePriority;
-  int maxPriority;
-  int sys_priority = 0;
-
-  int interactiveT, backgroundT, lowT; /* thresholds */
-
-  maxPriority = __mach_get_max_thread_priority(cT, &basePriority);
-
-  if(maxPriority == -1)
-    return -1;
-
-  if (basePriority > ( (maxPriority * 2) / 3))
-    return OBJC_THREAD_INTERACTIVE_PRIORITY;
-
-  if (basePriority > ( maxPriority / 3))
-    return OBJC_THREAD_BACKGROUND_PRIORITY;
-
-  return OBJC_THREAD_LOW_PRIORITY;
-}
-
-/* Yield our process time to another thread. */
-void
-__objc_thread_yield(void)
-{
-  cthread_yield();
-}
-
-/* Terminate the current thread. */
-int
-__objc_thread_exit(void)
-{
-  /* exit the thread */
-  cthread_exit(&__objc_thread_exit_status);
-
-  /* Failed if we reached here */
-  return -1;
-}
-
-/* Returns an integer value which uniquely describes a thread. */
-objc_thread_t
-__objc_thread_id(void)
-{
-  cthread_t self = cthread_self();
-
-  return *(objc_thread_t *)&self;
-}
-
-/* Sets the thread's local storage pointer. */
-int
-__objc_thread_set_data(void *value)
-{
-  cthread_set_data(cthread_self(), (any_t) value);
-  return 0;
-}
-
-/* Returns the thread's local storage pointer. */
-void *
-__objc_thread_get_data(void)
-{
-  return (void *) cthread_data(cthread_self());
-}
-
-/* Backend mutex functions */
-
-/* Allocate a mutex. */
-int
-__objc_mutex_allocate(objc_mutex_t mutex)
-{
-  int err = 0;
-  mutex->backend = objc_malloc(sizeof(struct mutex));
-
-  err = mutex_init((mutex_t)(mutex->backend));
-
-  if (err != 0)
-    {
-      objc_free(mutex->backend);
-      return -1;
-    }
-  else
-    return 0;
-}
-
-/* Deallocate a mutex. */
-int
-__objc_mutex_deallocate(objc_mutex_t mutex)
-{
-  mutex_clear((mutex_t)(mutex->backend));
-
-  objc_free(mutex->backend);
-  mutex->backend = NULL;
-  return 0;
-}
-
-/* Grab a lock on a mutex. */
-int
-__objc_mutex_lock(objc_mutex_t mutex)
-{
-  mutex_lock((mutex_t)(mutex->backend));
-  return 0;
-}
-
-/* Try to grab a lock on a mutex. */
-int
-__objc_mutex_trylock(objc_mutex_t mutex)
-{
-  if (mutex_try_lock((mutex_t)(mutex->backend)) == 0)
-    return -1;
-  else
-    return 0;
-}
-
-/* Unlock the mutex */
-int
-__objc_mutex_unlock(objc_mutex_t mutex)
-{
-  mutex_unlock((mutex_t)(mutex->backend));
-  return 0;
-}
-
-/* Backend condition mutex functions */
-
-/* Allocate a condition. */
-int
-__objc_condition_allocate(objc_condition_t condition)
-{
-  condition->backend = objc_malloc(sizeof(struct condition));
-  condition_init((condition_t)(condition->backend));
-  return 0;
-}
-
-/* Deallocate a condition. */
-int
-__objc_condition_deallocate(objc_condition_t condition)
-{
-  condition_clear((condition_t)(condition->backend));
-  objc_free(condition->backend);
-  condition->backend = NULL;
-  return 0;
-}
-
-/* Wait on the condition */
-int
-__objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
-{
-  condition_wait((condition_t)(condition->backend),
-		 (mutex_t)(mutex->backend));
-  return 0;
-}
-
-/* Wake up all threads waiting on this condition. */
-int
-__objc_condition_broadcast(objc_condition_t condition)
-{
-  condition_broadcast((condition_t)(condition->backend));
-  return 0;
-}
-
-/* Wake up one thread waiting on this condition. */
-int
-__objc_condition_signal(objc_condition_t condition)
-{
-  condition_signal((condition_t)(condition->backend));
-  return 0;
-}
-
-/* End of File */