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Diffstat (limited to 'gcc-4.9/libgcc/config/gthr-rtems.h')
| -rw-r--r-- | gcc-4.9/libgcc/config/gthr-rtems.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/gthr-rtems.h b/gcc-4.9/libgcc/config/gthr-rtems.h new file mode 100644 index 000000000..1b1874cb4 --- /dev/null +++ b/gcc-4.9/libgcc/config/gthr-rtems.h @@ -0,0 +1,164 @@ +/* RTEMS threads compatibility routines for libgcc2 and libobjc. + by: Rosimildo da Silva( rdasilva@connecttel.com ) */ +/* Compile this one with gcc. */ +/* Copyright (C) 1997-2014 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 GCC_GTHR_RTEMS_H +#define GCC_GTHR_RTEMS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define __GTHREADS 1 + +#define __GTHREAD_ONCE_INIT 0 +#define __GTHREAD_MUTEX_INIT_FUNCTION rtems_gxx_mutex_init +#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION rtems_gxx_recursive_mutex_init + +/* Avoid dependency on rtems specific headers. */ +typedef void *__gthread_key_t; +typedef int __gthread_once_t; +typedef void *__gthread_mutex_t; +typedef void *__gthread_recursive_mutex_t; + +/* + * External functions provided by RTEMS. They are very similar to their POSIX + * counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS + * header files. + */ + +/* generic per task variables */ +extern int rtems_gxx_once (__gthread_once_t *__once, void (*__func) (void)); +extern int rtems_gxx_key_create (__gthread_key_t *__key, void (*__dtor) (void *)); +extern int rtems_gxx_key_delete (__gthread_key_t __key); +extern void *rtems_gxx_getspecific (__gthread_key_t __key); +extern int rtems_gxx_setspecific (__gthread_key_t __key, const void *__ptr); + +/* mutex support */ +extern void rtems_gxx_mutex_init (__gthread_mutex_t *__mutex); +extern int rtems_gxx_mutex_destroy (__gthread_mutex_t *__mutex); +extern int rtems_gxx_mutex_lock (__gthread_mutex_t *__mutex); +extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *__mutex); +extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *__mutex); + +/* recursive mutex support */ +extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *__mutex); +extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex); +extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex); +extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex); + +/* RTEMS threading is always active */ +static inline int +__gthread_active_p (void) +{ + return 1; +} + +/* Wrapper calls */ +static inline int +__gthread_once (__gthread_once_t *__once, void (*__func) (void)) +{ + return rtems_gxx_once( __once, __func ); +} + +static inline int +__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *)) +{ + return rtems_gxx_key_create( __key, __dtor ); +} + +static inline int +__gthread_key_delete (__gthread_key_t __key) +{ + return rtems_gxx_key_delete (__key); +} + +static inline void * +__gthread_getspecific (__gthread_key_t __key) +{ + return rtems_gxx_getspecific (__key); +} + +static inline int +__gthread_setspecific (__gthread_key_t __key, const void *__ptr) +{ + return rtems_gxx_setspecific (__key, __ptr); +} + +static inline int +__gthread_mutex_destroy (__gthread_mutex_t *__mutex) +{ + return rtems_gxx_mutex_destroy (__mutex); +} + +static inline int +__gthread_mutex_lock (__gthread_mutex_t *__mutex) +{ + return rtems_gxx_mutex_lock (__mutex); +} + +static inline int +__gthread_mutex_trylock (__gthread_mutex_t *__mutex) +{ + return rtems_gxx_mutex_trylock (__mutex); +} + +static inline int +__gthread_mutex_unlock (__gthread_mutex_t *__mutex) +{ + return rtems_gxx_mutex_unlock( __mutex ); +} + +static inline int +__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex) +{ + return rtems_gxx_recursive_mutex_lock (__mutex); +} + +static inline int +__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex) +{ + return rtems_gxx_recursive_mutex_trylock (__mutex); +} + +static inline int +__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex) +{ + return rtems_gxx_recursive_mutex_unlock( __mutex ); +} + +static inline int +__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex) +{ + /* This requires that recursive and non-recursive mutexes have the same + representation. */ + return rtems_gxx_mutex_destroy (__mutex ); +} + +#ifdef __cplusplus +} +#endif + +#endif /* ! GCC_GTHR_RTEMS_H */ |