From 4efab40251962a2343621aef21450c880e939e0e Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 3 Sep 2015 05:28:46 +0000 Subject: [PATCH] RTEMS: Update RTEMS thread model libgcc/ChangeLog * config/gthr-rtems.h (__GTHREADS_CXX0X): New. (__GTHREAD_HAS_COND): Likewise. (__gthread_t): Likewise. (__gthread_cond_t): Likewise. (__gthread_time_t): Likewise. (__GTHREAD_MUTEX_INIT): Likewise. (__GTHREAD_RECURSIVE_MUTEX_INIT): Likewise. (__GTHREAD_COND_INIT): Likewise. (__GTHREAD_COND_INIT_FUNCTION): Likewise. (__GTHREAD_TIME_INIT): Likewise. (__gthread_create): Likewise. (__gthread_join): Likewise. (__gthread_detach): Likewise. (__gthread_equal): Likewise. (__gthread_self): Likewise. (__gthread_yield): Likewise. (__gthread_cond_broadcast): Likewise. (__gthread_cond_signal): Likewise. (__gthread_cond_wait): Likewise. (__gthread_cond_timedwait): Likewise. (__gthread_cond_wait_recursive): Likewise. (__gthread_cond_destroy): Likewise. (rtems_gxx_once): Delete. (rtems_gxx_key_create): Likewise. (rtems_gxx_key_delete): Likewise. (rtems_gxx_getspecific): Likewise. (rtems_gxx_setspecific): Likewise. (rtems_gxx_mutex_init): Likewise. (rtems_gxx_mutex_destroy): Likewise. (rtems_gxx_mutex_lock): Likewise. (rtems_gxx_mutex_trylock): Likewise. (rtems_gxx_mutex_unlock): Likewise. (rtems_gxx_recursive_mutex_init): Likewise. (rtems_gxx_recursive_mutex_lock): Likewise. (rtems_gxx_recursive_mutex_trylock): Likewise. (rtems_gxx_recursive_mutex_unlock): Likewise. (__GTHREAD_ONCE_INIT): Use initializer. (__GTHREAD_MUTEX_INIT_FUNCTION): Use function. (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Likewise. (__gthread_once): Likewise. (__gthread_key_create): Likewise. (__gthread_key_delete): Likewise. (__gthread_getspecific): Likewise. (__gthread_setspecific): Likewise. (__gthread_key_t): Use type. (__gthread_once_t): Likewise (__gthread_mutex_t): Use type. (__gthread_recursive_mutex_t): Likewise (__gthread_mutex_lock): Use function. (__gthread_mutex_trylock): Likewise. (__gthread_mutex_timedlock): Likewise. (__gthread_mutex_unlock): Likewise. (__gthread_mutex_destroy): Likewise. (__gthread_recursive_mutex_lock): Likewise. (__gthread_recursive_mutex_trylock): Likewise. (__gthread_recursive_mutex_timedlock): Likewise. (__gthread_recursive_mutex_unlock): Likewise. (__gthread_recursive_mutex_destroy): Likewise. From-SVN: r227428 --- libgcc/ChangeLog | 61 ++++++++++++ libgcc/config/gthr-rtems.h | 195 ++++++++++++++++++++++++++----------- 2 files changed, 200 insertions(+), 56 deletions(-) diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 0d1acf302df..bca8328b831 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,64 @@ +2015-09-03 Sebastian Huber + + * config/gthr-rtems.h (__GTHREADS_CXX0X): New. + (__GTHREAD_HAS_COND): Likewise. + (__gthread_t): Likewise. + (__gthread_cond_t): Likewise. + (__gthread_time_t): Likewise. + (__GTHREAD_MUTEX_INIT): Likewise. + (__GTHREAD_RECURSIVE_MUTEX_INIT): Likewise. + (__GTHREAD_COND_INIT): Likewise. + (__GTHREAD_COND_INIT_FUNCTION): Likewise. + (__GTHREAD_TIME_INIT): Likewise. + (__gthread_create): Likewise. + (__gthread_join): Likewise. + (__gthread_detach): Likewise. + (__gthread_equal): Likewise. + (__gthread_self): Likewise. + (__gthread_yield): Likewise. + (__gthread_cond_broadcast): Likewise. + (__gthread_cond_signal): Likewise. + (__gthread_cond_wait): Likewise. + (__gthread_cond_timedwait): Likewise. + (__gthread_cond_wait_recursive): Likewise. + (__gthread_cond_destroy): Likewise. + (rtems_gxx_once): Delete. + (rtems_gxx_key_create): Likewise. + (rtems_gxx_key_delete): Likewise. + (rtems_gxx_getspecific): Likewise. + (rtems_gxx_setspecific): Likewise. + (rtems_gxx_mutex_init): Likewise. + (rtems_gxx_mutex_destroy): Likewise. + (rtems_gxx_mutex_lock): Likewise. + (rtems_gxx_mutex_trylock): Likewise. + (rtems_gxx_mutex_unlock): Likewise. + (rtems_gxx_recursive_mutex_init): Likewise. + (rtems_gxx_recursive_mutex_lock): Likewise. + (rtems_gxx_recursive_mutex_trylock): Likewise. + (rtems_gxx_recursive_mutex_unlock): Likewise. + (__GTHREAD_ONCE_INIT): Use initializer. + (__GTHREAD_MUTEX_INIT_FUNCTION): Use function. + (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Likewise. + (__gthread_once): Likewise. + (__gthread_key_create): Likewise. + (__gthread_key_delete): Likewise. + (__gthread_getspecific): Likewise. + (__gthread_setspecific): Likewise. + (__gthread_key_t): Use type. + (__gthread_once_t): Likewise + (__gthread_mutex_t): Use type. + (__gthread_recursive_mutex_t): Likewise + (__gthread_mutex_lock): Use function. + (__gthread_mutex_trylock): Likewise. + (__gthread_mutex_timedlock): Likewise. + (__gthread_mutex_unlock): Likewise. + (__gthread_mutex_destroy): Likewise. + (__gthread_recursive_mutex_lock): Likewise. + (__gthread_recursive_mutex_trylock): Likewise. + (__gthread_recursive_mutex_timedlock): Likewise. + (__gthread_recursive_mutex_unlock): Likewise. + (__gthread_recursive_mutex_destroy): Likewise. + 2015-08-18 Max Filippov * config/xtensa/unwind-dw2-xtensa.c (_Unwind_GetCFA): Return diff --git a/libgcc/config/gthr-rtems.h b/libgcc/config/gthr-rtems.h index 23038c6c9ad..1aff329d5d0 100644 --- a/libgcc/config/gthr-rtems.h +++ b/libgcc/config/gthr-rtems.h @@ -27,134 +27,217 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #ifndef GCC_GTHR_RTEMS_H #define GCC_GTHR_RTEMS_H +#include +#include +#include + #ifdef __cplusplus extern "C" { #endif #define __GTHREADS 1 +#define __GTHREADS_CXX0X 1 +#define __GTHREAD_HAS_COND 1 + +typedef pthread_t __gthread_t; +typedef pthread_key_t __gthread_key_t; +typedef pthread_once_t __gthread_once_t; +typedef struct _Mutex_Control __gthread_mutex_t; +typedef struct _Mutex_recursive_Control __gthread_recursive_mutex_t; +typedef struct _Condition_Control __gthread_cond_t; +typedef struct timespec __gthread_time_t; + +#define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT +#define __GTHREAD_MUTEX_INIT _MUTEX_INITIALIZER +#define __GTHREAD_MUTEX_INIT_FUNCTION _Mutex_Initialize +#define __GTHREAD_RECURSIVE_MUTEX_INIT _MUTEX_RECURSIVE_INITIALIZER +#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION _Mutex_recursive_Initialize +#define __GTHREAD_COND_INIT _CONDITION_INITIALIZER +#define __GTHREAD_COND_INIT_FUNCTION _Condition_Initialize +#define __GTHREAD_TIME_INIT {0, 0} -#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_create (__gthread_t *__threadid, void *(*__func) (void *), + void *__args) +{ + return pthread_create (__threadid, NULL, __func, __args); +} + +static inline int +__gthread_join (__gthread_t __threadid, void **__value_ptr) +{ + return pthread_join (__threadid, __value_ptr); +} + +static inline int +__gthread_detach (__gthread_t __threadid) +{ + return pthread_detach (__threadid); +} + +static inline int +__gthread_equal (__gthread_t __t1, __gthread_t __t2) +{ + return pthread_equal (__t1, __t2); +} + +static inline __gthread_t +__gthread_self (void) +{ + return pthread_self (); +} + +static inline int +__gthread_yield (void) +{ + return sched_yield (); +} + static inline int __gthread_once (__gthread_once_t *__once, void (*__func) (void)) { - return rtems_gxx_once( __once, __func ); + return pthread_once (__once, __func); } static inline int __gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *)) { - return rtems_gxx_key_create( __key, __dtor ); + return pthread_key_create (__key, __dtor); } static inline int __gthread_key_delete (__gthread_key_t __key) { - return rtems_gxx_key_delete (__key); + return pthread_key_delete (__key); } static inline void * __gthread_getspecific (__gthread_key_t __key) { - return rtems_gxx_getspecific (__key); + return pthread_getspecific (__key); } static inline int __gthread_setspecific (__gthread_key_t __key, const void *__ptr) { - return rtems_gxx_setspecific (__key, __ptr); + return pthread_setspecific (__key, __ptr); } static inline int -__gthread_mutex_destroy (__gthread_mutex_t *__mutex) +__gthread_mutex_lock (__gthread_mutex_t *__mutex) { - return rtems_gxx_mutex_destroy (__mutex); + _Mutex_Acquire (__mutex); + return 0; } static inline int -__gthread_mutex_lock (__gthread_mutex_t *__mutex) +__gthread_mutex_trylock (__gthread_mutex_t *__mutex) { - return rtems_gxx_mutex_lock (__mutex); + return _Mutex_Try_acquire (__mutex); } static inline int -__gthread_mutex_trylock (__gthread_mutex_t *__mutex) +__gthread_mutex_timedlock (__gthread_mutex_t *__mutex, + const __gthread_time_t *__abs_timeout) { - return rtems_gxx_mutex_trylock (__mutex); + return _Mutex_Acquire_timed (__mutex, __abs_timeout); } static inline int __gthread_mutex_unlock (__gthread_mutex_t *__mutex) { - return rtems_gxx_mutex_unlock( __mutex ); + _Mutex_Release (__mutex); + return 0; +} + +static inline int +__gthread_mutex_destroy (__gthread_mutex_t *__mutex) +{ + _Mutex_Destroy (__mutex); + return 0; } static inline int __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex) { - return rtems_gxx_recursive_mutex_lock (__mutex); + _Mutex_recursive_Acquire (__mutex); + return 0; } static inline int __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex) { - return rtems_gxx_recursive_mutex_trylock (__mutex); + return _Mutex_recursive_Try_acquire (__mutex); +} + +static inline int +__gthread_recursive_mutex_timedlock (__gthread_recursive_mutex_t *__mutex, + const __gthread_time_t *__abs_timeout) +{ + return _Mutex_recursive_Acquire_timed (__mutex, __abs_timeout); } static inline int __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex) { - return rtems_gxx_recursive_mutex_unlock( __mutex ); + _Mutex_recursive_Release (__mutex); + return 0; } 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 ); + _Mutex_recursive_Destroy (__mutex); + return 0; +} + +static inline int +__gthread_cond_broadcast (__gthread_cond_t *__cond) +{ + _Condition_Broadcast (__cond); + return 0; +} + +static inline int +__gthread_cond_signal (__gthread_cond_t *__cond) +{ + _Condition_Signal (__cond); + return 0; +} + +static inline int +__gthread_cond_wait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex) +{ + _Condition_Wait (__cond, __mutex); + return 0; +} + +static inline int +__gthread_cond_timedwait (__gthread_cond_t *__cond, __gthread_mutex_t *__mutex, + const __gthread_time_t *__abs_timeout) +{ + return _Condition_Wait_timed (__cond, __mutex, __abs_timeout); +} + +static inline int +__gthread_cond_wait_recursive (__gthread_cond_t *__cond, + __gthread_recursive_mutex_t *__mutex) +{ + _Condition_Wait_recursive (__cond, __mutex); + return 0; +} + +static inline int +__gthread_cond_destroy (__gthread_cond_t *__cond) +{ + _Condition_Destroy (__cond); + return 0; } #ifdef __cplusplus -- 2.30.2