diff options
author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/gthr-vxworks.h | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
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.
Diffstat (limited to 'contrib/gcc/gthr-vxworks.h')
-rw-r--r-- | contrib/gcc/gthr-vxworks.h | 208 |
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 */ |