diff options
Diffstat (limited to 'linuxthreads/sysdeps/pthread/posix-timer.h')
| -rw-r--r-- | linuxthreads/sysdeps/pthread/posix-timer.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/linuxthreads/sysdeps/pthread/posix-timer.h b/linuxthreads/sysdeps/pthread/posix-timer.h index feeff39fa8..7a2caf28a4 100644 --- a/linuxthreads/sysdeps/pthread/posix-timer.h +++ b/linuxthreads/sysdeps/pthread/posix-timer.h @@ -59,9 +59,12 @@ struct timer_node pthread_attr_t attr; unsigned int abstime; unsigned int armed; - unsigned int inuse; + enum { + TIMER_FREE, TIMER_INUSE, TIMER_DELETED + } inuse; struct thread_node *thread; pid_t creator_pid; + int refcount; }; @@ -106,6 +109,28 @@ timer_ptr2id (struct timer_node *timer) return timer - __timer_array; } +/* Check whether timer is valid; global mutex must be held. */ +static inline int +timer_valid (struct timer_node *timer) +{ + return timer && timer->inuse == TIMER_INUSE; +} + +/* Timer refcount functions; need global mutex. */ +extern void __timer_dealloc (struct timer_node *timer); + +static inline void +timer_addref (struct timer_node *timer) +{ + timer->refcount++; +} + +static inline void +timer_delref (struct timer_node *timer) +{ + if (--timer->refcount == 0) + __timer_dealloc (timer); +} /* Timespec helper routines. */ static inline int @@ -178,7 +203,6 @@ extern struct timer_node *__timer_alloc (void); extern int __timer_thread_start (struct thread_node *thread); extern struct thread_node *__timer_thread_find_matching (const pthread_attr_t *desired_attr, clockid_t); extern struct thread_node *__timer_thread_alloc (const pthread_attr_t *desired_attr, clockid_t); -extern void __timer_dealloc (struct timer_node *timer); extern void __timer_thread_dealloc (struct thread_node *thread); extern int __timer_thread_queue_timer (struct thread_node *thread, struct timer_node *insert); |