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Diffstat (limited to 'gcc/gthr-vxworks.h')
| -rw-r--r-- | gcc/gthr-vxworks.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/gcc/gthr-vxworks.h b/gcc/gthr-vxworks.h deleted file mode 100644 index d4da14ef492..00000000000 --- a/gcc/gthr-vxworks.h +++ /dev/null @@ -1,169 +0,0 @@ -/* Threads compatibility routines for libgcc2 and libobjc for VxWorks. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1997, 1999, 2000, 2008, 2009 Free Software Foundation, Inc. - Contributed by Mike Stump <mrs@wrs.com>. - -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 GCC_GTHR_VXWORKS_H -#define GCC_GTHR_VXWORKS_H - -#ifdef _LIBOBJC - -/* libobjc requires the optional pthreads component. */ -#include "gthr-posix.h" - -#else -#ifdef __cplusplus -#define UNUSED(x) -#else -#define UNUSED(x) x __attribute__((unused)) -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -#define __GTHREADS 1 -#define __gthread_active_p() 1 - -/* Mutexes are easy, except that they need to be initialized at runtime. */ - -#include <semLib.h> - -typedef SEM_ID __gthread_mutex_t; -/* All VxWorks mutexes are recursive. */ -typedef SEM_ID __gthread_recursive_mutex_t; -#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function -#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function - -static inline void -__gthread_mutex_init_function (__gthread_mutex_t *mutex) -{ - *mutex = semMCreate (SEM_Q_PRIORITY | SEM_INVERSION_SAFE | SEM_DELETE_SAFE); -} - -static inline int -__gthread_mutex_destroy (__gthread_mutex_t * UNUSED(mutex)) -{ - return 0; -} - -static inline int -__gthread_mutex_lock (__gthread_mutex_t *mutex) -{ - return semTake (*mutex, WAIT_FOREVER); -} - -static inline int -__gthread_mutex_trylock (__gthread_mutex_t *mutex) -{ - return semTake (*mutex, NO_WAIT); -} - -static inline int -__gthread_mutex_unlock (__gthread_mutex_t *mutex) -{ - return semGive (*mutex); -} - -static inline void -__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex) -{ - __gthread_mutex_init_function (mutex); -} - -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); -} - -/* pthread_once is complicated enough that it's implemented - out-of-line. See config/vxlib.c. */ - -typedef struct -{ -#if !defined(__RTP__) -#if defined(__PPC__) - __attribute ((aligned (__alignof (unsigned)))) -#endif - volatile unsigned char busy; -#endif - volatile unsigned char done; -#if !defined(__RTP__) && defined(__PPC__) - /* PPC's test-and-set implementation requires a 4 byte aligned - object, of which it only sets the first byte. We use padding - here, in order to maintain some amount of backwards - compatibility. Without this padding, gthread_once objects worked - by accident because they happen to be static objects and the ppc - port automatically increased their alignment to 4 bytes. */ - unsigned char pad1; - unsigned char pad2; -#endif -} -__gthread_once_t; - -#if defined (__RTP__) -# define __GTHREAD_ONCE_INIT { 0 } -#elif defined (__PPC__) -# define __GTHREAD_ONCE_INIT { 0, 0, 0, 0 } -#else -# define __GTHREAD_ONCE_INIT { 0, 0 } -#endif - -extern int __gthread_once (__gthread_once_t *__once, void (*__func)(void)); - -/* Thread-specific data requires a great deal of effort, since VxWorks - is not really set up for it. See config/vxlib.c for the gory - details. All the TSD routines are sufficiently complex that they - need to be implemented out of line. */ - -typedef unsigned int __gthread_key_t; - -extern int __gthread_key_create (__gthread_key_t *__keyp, void (*__dtor)(void *)); -extern int __gthread_key_delete (__gthread_key_t __key); - -extern void *__gthread_getspecific (__gthread_key_t __key); -extern int __gthread_setspecific (__gthread_key_t __key, void *__ptr); - -#undef UNUSED - -#ifdef __cplusplus -} -#endif - -#endif /* not _LIBOBJC */ - -#endif /* gthr-vxworks.h */ |