diff options
Diffstat (limited to 'gcc/gthr-dce.h')
-rw-r--r-- | gcc/gthr-dce.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/gcc/gthr-dce.h b/gcc/gthr-dce.h index 563754e..ccdf82d 100644 --- a/gcc/gthr-dce.h +++ b/gcc/gthr-dce.h @@ -1,4 +1,4 @@ - +/* Threads compatibility routines for libgcc2 and libobjc. */ /* Compile this one with gcc. */ /* Copyright (C) 1997, 1999, 2000, 2001 Free Software Foundation, Inc. @@ -52,10 +52,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA typedef pthread_key_t __gthread_key_t; typedef pthread_once_t __gthread_once_t; typedef pthread_mutex_t __gthread_mutex_t; +typedef pthread_mutex_t __gthread_recursive_mutex_t; #define __GTHREAD_ONCE_INIT pthread_once_init #define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function +#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function #define __GTHREAD_MUTEX_INIT_DEFAULT pthread_once_init @@ -481,6 +483,43 @@ __gthread_mutex_unlock (__gthread_mutex_t *mutex) return 0; } +static inline int +__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex) +{ + if (__gthread_active_p ()) + { + pthread_mutexattr_t attr; + int r; + + r = pthread_mutexattr_create (&attr); + if (!r) + r = pthread_mutexattr_setkind_np (&attr, MUTEX_RECURSIVE_NP); + if (!r) + r = pthread_mutex_init (mutex, attr); + if (!r) + r = pthread_mutexattr_delete (&attr); + return r; + } +} + +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 UNUSED |