--- /dev/null
+/* Threads compatibility routines for libgcc2 and libobjc. */
+/* Compile this one with gcc. */
+/* Copyright (C) 1997, 1999, 2000, 2004, 2008, 2009
+ Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+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 3, or (at your option) any later
+version.
+
+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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef _GLIBCXX_GCC_GTHR_SINGLE_H
+#define _GLIBCXX_GCC_GTHR_SINGLE_H
+
+/* Just provide compatibility for mutex handling. */
+
+typedef int __gthread_key_t;
+typedef int __gthread_once_t;
+typedef int __gthread_mutex_t;
+typedef int __gthread_recursive_mutex_t;
+
+#define __GTHREAD_ONCE_INIT 0
+#define __GTHREAD_MUTEX_INIT 0
+#define __GTHREAD_RECURSIVE_MUTEX_INIT 0
+
+#define _GLIBCXX_UNUSED __attribute__((unused))
+
+#ifdef _LIBOBJC
+
+/* Thread local storage for a single thread */
+static void *thread_local_storage = NULL;
+
+/* Backend initialization functions */
+
+/* Initialize the threads subsystem. */
+static inline int
+__gthread_objc_init_thread_system (void)
+{
+ /* No thread support available */
+ return -1;
+}
+
+/* Close the threads subsystem. */
+static inline int
+__gthread_objc_close_thread_system (void)
+{
+ /* No thread support available */
+ return -1;
+}
+
+/* Backend thread functions */
+
+/* Create a new thread of execution. */
+static inline objc_thread_t
+__gthread_objc_thread_detach (void (* func)(void *), void * arg _GLIBCXX_UNUSED)
+{
+ /* No thread support available */
+ return NULL;
+}
+
+/* Set the current thread's priority. */
+static inline int
+__gthread_objc_thread_set_priority (int priority _GLIBCXX_UNUSED)
+{
+ /* No thread support available */
+ return -1;
+}
+
+/* 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. */
+static inline void
+__gthread_objc_thread_yield (void)
+{
+ return;
+}
+
+/* Terminate the current thread. */
+static inline 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. */
+static inline 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. */
+static inline int
+__gthread_objc_thread_set_data (void *value)
+{
+ thread_local_storage = value;
+ return 0;
+}
+
+/* Returns the thread's local storage pointer. */
+static inline void *
+__gthread_objc_thread_get_data (void)
+{
+ return thread_local_storage;
+}
+
+/* Backend mutex functions */
+
+/* Allocate a mutex. */
+static inline int
+__gthread_objc_mutex_allocate (objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Deallocate a mutex. */
+static inline int
+__gthread_objc_mutex_deallocate (objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Grab a lock on a mutex. */
+static inline int
+__gthread_objc_mutex_lock (objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ /* There can only be one thread, so we always get the lock */
+ return 0;
+}
+
+/* Try to grab a lock on a mutex. */
+static inline int
+__gthread_objc_mutex_trylock (objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ /* There can only be one thread, so we always get the lock */
+ return 0;
+}
+
+/* Unlock the mutex */
+static inline int
+__gthread_objc_mutex_unlock (objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Backend condition mutex functions */
+
+/* Allocate a condition. */
+static inline int
+__gthread_objc_condition_allocate (objc_condition_t condition _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Deallocate a condition. */
+static inline int
+__gthread_objc_condition_deallocate (objc_condition_t condition _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Wait on the condition */
+static inline int
+__gthread_objc_condition_wait (objc_condition_t condition _GLIBCXX_UNUSED,
+ objc_mutex_t mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Wake up all threads waiting on this condition. */
+static inline int
+__gthread_objc_condition_broadcast (objc_condition_t condition _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+/* Wake up one thread waiting on this condition. */
+static inline int
+__gthread_objc_condition_signal (objc_condition_t condition _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+#else /* _LIBOBJC */
+
+static inline int
+__gthread_active_p (void)
+{
+ return 0;
+}
+
+static inline int
+__gthread_once (__gthread_once_t *__once _GLIBCXX_UNUSED, void (*__func) (void) _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int _GLIBCXX_UNUSED
+__gthread_key_create (__gthread_key_t *__key _GLIBCXX_UNUSED, void (*__func) (void *) _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static int _GLIBCXX_UNUSED
+__gthread_key_delete (__gthread_key_t __key _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t __key _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t __key _GLIBCXX_UNUSED, const void *__v _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_mutex_destroy (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
+{
+ return 0;
+}
+
+static inline int
+__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
+{
+ return __gthread_mutex_lock (__mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
+{
+ return __gthread_mutex_trylock (__mutex);
+}
+
+static inline int
+__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
+{
+ return __gthread_mutex_unlock (__mutex);
+}
+
+#endif /* _LIBOBJC */
+
+#undef _GLIBCXX_UNUSED
+
+#endif /* ! _GLIBCXX_GCC_GTHR_SINGLE_H */
projects / cross.git / blobdiff