diff options
Diffstat (limited to 'lib/libthr/thread/thr_private.h')
| -rw-r--r-- | lib/libthr/thread/thr_private.h | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/lib/libthr/thread/thr_private.h b/lib/libthr/thread/thr_private.h index 8a31ffaaeb03..9f4fcc08ce20 100644 --- a/lib/libthr/thread/thr_private.h +++ b/lib/libthr/thread/thr_private.h @@ -156,13 +156,43 @@ struct pthread_mutex_attr { { PTHREAD_MUTEXATTR_STATIC_INITIALIZER, UMTX_INITIALIZER, NULL, \ 0, 0, TAILQ_INITIALIZER } +union pthread_mutex_data { + void *m_ptr; + int m_count; +}; + struct pthread_mutex { - struct pthread_mutex_attr m_attr; /* Mutex attributes. */ - struct umtx m_mtx; /* Mutex. */ - struct pthread *m_owner; /* Current owner. */ - int m_count; /* Recursion count. */ - int m_refcount; /* Reference count. */ - TAILQ_ENTRY(pthread_mutex) m_qe; /* All locks held. */ + enum pthread_mutextype m_type; + int m_protocol; + TAILQ_HEAD(mutex_head, pthread) m_queue; + struct pthread *m_owner; + union pthread_mutex_data m_data; + long m_flags; + int m_refcount; + + /* + * Used for priority inheritence and protection. + * + * m_prio - For priority inheritence, the highest active + * priority (threads locking the mutex inherit + * this priority). For priority protection, the + * ceiling priority of this mutex. + * m_saved_prio - mutex owners inherited priority before + * taking the mutex, restored when the owner + * unlocks the mutex. + */ + int m_prio; + int m_saved_prio; + + /* + * Link for list of all mutexes a thread currently owns. + */ + TAILQ_ENTRY(pthread_mutex) m_qe; + + /* + * Lock for accesses to this structure. + */ + spinlock_t lock; }; /* |