Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.

These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.

1 files changed, 188 insertions, 20 deletions

diff --git a/contrib/gcc/gthr-vxworks.h b/contrib/gcc/gthr-vxworks.h
index 6d51ded..1474853 100644
--- a/contrib/gcc/gthr-vxworks.h
+++ b/contrib/gcc/gthr-vxworks.h
@@ -1,24 +1,24 @@
-/* Threads compatibily routines for libgcc2 for VxWorks.  */
+/* Threads compatibility routines for libgcc2 and libobjc for VxWorks.  */
 /* Compile this one with gcc.  */
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
    Contributed by Mike Stump <mrs@wrs.com>.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-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.
+GCC 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.
+GCC 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.  */
+along with GCC; 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 other files,
    some of which are compiled with GCC, to produce an executable,
@@ -27,11 +27,177 @@ Boston, MA 02111-1307, USA.  */
    This exception does not however invalidate any other reasons why
    the executable file might be covered by the GNU General Public License.  */
 
-#ifndef __gthr_vxworks_h
-#define __gthr_vxworks_h
+#ifndef GCC_GTHR_VXWORKS_H
+#define GCC_GTHR_VXWORKS_H
+
+#ifdef _LIBOBJC
+
+/* Thread local storage for a single thread */
+static void *thread_local_storage = NULL;
+
+/* Backend initialization functions */
+
+/* Initialize the threads subsystem.  */
+int
+__gthread_objc_init_thread_system(void)
+{
+  /* No thread support available */
+  return -1;
+}
+
+/* Close the threads subsystem.  */
+int
+__gthread_objc_close_thread_system(void)
+{
+  /* No thread support available */
+  return -1;
+}
+
+/* Backend thread functions */
+
+/* Create a new thread of execution.  */
+objc_thread_t
+__gthread_objc_thread_detach(void (*func)(void *arg), void *arg)
+{
+  /* No thread support available */
+  return NULL;
+}
+
+/* Set the current thread's priority.  */
+int
+__gthread_objc_thread_set_priority(int priority)
+{
+  /* No thread support available */
+  return -1;
+}
+
+/* Return the current thread's priority.  */
+int
+__gthread_objc_thread_get_priority(void)
+{
+  return OBJC_THREAD_INTERACTIVE_PRIORITY;
+}
+
+/* Yield our process time to another thread.  */
+void
+__gthread_objc_thread_yield(void)
+{
+  return;
+}
+
+/* Terminate the current thread.  */
+int
+__gthread_objc_thread_exit(void)
+{
+  /* No thread support available */
+  /* Should we really exit the program */
+  /* exit(&__objc_thread_exit_status); */
+  return -1;
+}
+
+/* Returns an integer value which uniquely describes a thread.  */
+objc_thread_t
+__gthread_objc_thread_id(void)
+{
+  /* No thread support, use 1.  */
+  return (objc_thread_t)1;
+}
+
+/* Sets the thread's local storage pointer.  */
+int
+__gthread_objc_thread_set_data(void *value)
+{
+  thread_local_storage = value;
+  return 0;
+}
+
+/* Returns the thread's local storage pointer.  */
+void *
+__gthread_objc_thread_get_data(void)
+{
+  return thread_local_storage;
+}
+
+/* Backend mutex functions */
+
+/* Allocate a mutex.  */
+int
+__gthread_objc_mutex_allocate(objc_mutex_t mutex)
+{
+  return 0;
+}
+
+/* Deallocate a mutex.  */
+int
+__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
+{
+  return 0;
+}
+
+/* Grab a lock on a mutex.  */
+int
+__gthread_objc_mutex_lock(objc_mutex_t mutex)
+{
+  /* There can only be one thread, so we always get the lock */
+  return 0;
+}
+
+/* Try to grab a lock on a mutex.  */
+int
+__gthread_objc_mutex_trylock(objc_mutex_t mutex)
+{
+  /* There can only be one thread, so we always get the lock */
+  return 0;
+}
+
+/* Unlock the mutex */
+int
+__gthread_objc_mutex_unlock(objc_mutex_t mutex)
+{
+  return 0;
+}
+
+/* Backend condition mutex functions */
+
+/* Allocate a condition.  */
+int
+__gthread_objc_condition_allocate(objc_condition_t condition)
+{
+  return 0;
+}
+
+/* Deallocate a condition.  */
+int
+__gthread_objc_condition_deallocate(objc_condition_t condition)
+{
+  return 0;
+}
+
+/* Wait on the condition */
+int
+__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
+{
+  return 0;
+}
+
+/* Wake up all threads waiting on this condition.  */
+int
+__gthread_objc_condition_broadcast(objc_condition_t condition)
+{
+  return 0;
+}
+
+/* Wake up one thread waiting on this condition.  */
+int
+__gthread_objc_condition_signal(objc_condition_t condition)
+{
+  return 0;
+}
+
+#else /* _LIBOBJC */
 
 /* POSIX threads specific definitions.
-   Easy, since the interface is just one-to-one mapping. */
+   Easy, since the interface is just one-to-one mapping.  */
 
 #define __GTHREADS 1
 
@@ -48,7 +214,7 @@ typedef SEM_ID __gthread_mutex_t;
 
 #ifndef REG_SAVED_REG
 static inline int
-__gthread_once (__gthread_once_t *once, void (*func) ())
+__gthread_once (__gthread_once_t *once, void (*func) (void))
 {
   (*func)();
   return 0;
@@ -98,7 +264,7 @@ __gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
 static inline int
 __gthread_key_dtor (__gthread_key_t key, void *ptr)
 {
-  /* Just reset the key value to zero. */
+  /* Just reset the key value to zero.  */
   if (ptr)
     return __gthread_setspecific (key, 0);
   else
@@ -139,4 +305,6 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex)
   return semGive (*mutex);
 }
 
-#endif /* not __gthr_vxworks_h */
+#endif /* _LIBOBJC */
+
+#endif /* ! GCC_GTHR_VXWORKS_H */