/* Compile this one with gcc. */
/* Copyright (C) 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
-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,
#ifndef GCC_GTHR_DCE_H
#define GCC_GTHR_DCE_H
+/* If _DCE_THREADS is not defined, then we're building the single
+ threaded version of the libraries and do not want to reference
+ anything related to pthreads or dce. */
+#ifndef _DCE_THREADS
+#include "gthr-single.h"
+#else
/* DCE threads interface.
DCE threads are based on POSIX threads draft 4, and many things
- have changed since then. */
+ have changed since then. */
#define __GTHREADS 1
#pragma weak pthread_mutex_unlock
#ifdef _LIBOBJC
-/* Objective C. */
+/* Objective C. */
#pragma weak pthread_cond_broadcast
#pragma weak pthread_cond_destroy
#pragma weak pthread_cond_init
#pragma weak pthread_yield
#endif
-static void *__gthread_active_ptr = (void *) &pthread_create;
-
static inline int
__gthread_active_p (void)
{
+ static void *const __gthread_active_ptr = (void *) &pthread_create;
return __gthread_active_ptr != 0;
}
/* Backend initialization functions */
-/* Initialize the threads subsystem. */
+/* Initialize the threads subsystem. */
static inline int
__gthread_objc_init_thread_system(void)
{
return -1;
}
-/* Close the threads subsystem. */
+/* Close the threads subsystem. */
static inline int
__gthread_objc_close_thread_system(void)
{
/* Backend thread functions */
-/* Create a new thread of execution. */
+/* Create a new thread of execution. */
static inline objc_thread_t
__gthread_objc_thread_detach(void (*func)(void *), void *arg)
{
{
/* ??? May not work! (64bit) */
thread_id = *(objc_thread_t *)&new_thread_handle;
- pthread_detach(&new_thread_handle); /* Fully detach thread. */
+ pthread_detach(&new_thread_handle); /* Fully detach thread. */
}
else
thread_id = NULL;
return thread_id;
}
-/* Set the current thread's priority. */
+/* Set the current thread's priority. */
static inline int
__gthread_objc_thread_set_priority(int priority)
{
break;
}
- /* Change the priority. */
+ /* Change the priority. */
if (pthread_setprio(pthread_self(), sys_priority) >= 0)
return 0;
else
return -1;
}
-/* Return the current thread's priority. */
+/* Return the current thread's priority. */
static inline int
__gthread_objc_thread_get_priority(void)
{
return OBJC_THREAD_INTERACTIVE_PRIORITY;
}
-/* Yield our process time to another thread. */
+/* Yield our process time to another thread. */
static inline void
__gthread_objc_thread_yield(void)
{
pthread_yield();
}
-/* Terminate the current thread. */
+/* Terminate the current thread. */
static inline int
__gthread_objc_thread_exit(void)
{
return -1;
}
-/* Returns an integer value which uniquely describes a thread. */
+/* Returns an integer value which uniquely describes a thread. */
static inline objc_thread_t
__gthread_objc_thread_id(void)
{
return (objc_thread_t)1;
}
-/* Sets the thread's local storage pointer. */
+/* Sets the thread's local storage pointer. */
static inline int
__gthread_objc_thread_set_data(void *value)
{
}
}
-/* Returns the thread's local storage pointer. */
+/* Returns the thread's local storage pointer. */
static inline void *
__gthread_objc_thread_get_data(void)
{
/* Backend mutex functions */
-/* Allocate a mutex. */
+/* Allocate a mutex. */
static inline int
__gthread_objc_mutex_allocate(objc_mutex_t mutex)
{
return 0;
}
-/* Deallocate a mutex. */
+/* Deallocate a mutex. */
static inline int
__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
{
return 0;
}
-/* Grab a lock on a mutex. */
+/* Grab a lock on a mutex. */
static inline int
__gthread_objc_mutex_lock(objc_mutex_t mutex)
{
return 0;
}
-/* Try to grab a lock on a mutex. */
+/* Try to grab a lock on a mutex. */
static inline int
__gthread_objc_mutex_trylock(objc_mutex_t mutex)
{
/* Backend condition mutex functions */
-/* Allocate a condition. */
+/* Allocate a condition. */
static inline int
__gthread_objc_condition_allocate(objc_condition_t condition)
{
if (__gthread_active_p ())
- /* Unimplemented. */
+ /* Unimplemented. */
return -1;
else
return 0;
}
-/* Deallocate a condition. */
+/* Deallocate a condition. */
static inline int
__gthread_objc_condition_deallocate(objc_condition_t condition)
{
if (__gthread_active_p ())
- /* Unimplemented. */
+ /* Unimplemented. */
return -1;
else
return 0;
__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
{
if (__gthread_active_p ())
- /* Unimplemented. */
+ /* Unimplemented. */
return -1;
else
return 0;
}
-/* Wake up all threads waiting on this condition. */
+/* Wake up all threads waiting on this condition. */
static inline int
__gthread_objc_condition_broadcast(objc_condition_t condition)
{
if (__gthread_active_p ())
- /* Unimplemented. */
+ /* Unimplemented. */
return -1;
else
return 0;
}
-/* Wake up one thread waiting on this condition. */
+/* Wake up one thread waiting on this condition. */
static inline int
__gthread_objc_condition_signal(objc_condition_t condition)
{
if (__gthread_active_p ())
- /* Unimplemented. */
+ /* Unimplemented. */
return -1;
else
return 0;
static inline int
__gthread_key_dtor (UNUSED (__gthread_key_t key), UNUSED (void *ptr))
{
- /* Nothing needed. */
+ /* Nothing needed. */
return 0;
}
#undef UNUSED
+#endif
#endif /* ! GCC_GTHR_DCE_H */