Sat Sep 29 18:26:00 2001 Robert Collins <rbtcollins@hotmail.com>

        * pthread.cc (pthread_cond_timedwait): Deleted - exported from thread.cc.
        (pthread_cond_wait): Deleted - exported from thread.cc.
        * thread.cc (pthread_cond::BroadCast): Update to use the new syntax for
        verifyable_object_isvalid ().
        (pthread_cond::Signal): Ditto. Also attempt to fix the lost signal race
        with pthread_cond::TimedWait().
        (check_valid_pointer): Change definiton to void const *.
        (verifyable_object_isvalid): Add new parameter to allow identification of
        static initializers, and return a enum rather than magic numbers.
        (__pthread_create): Ditto.
        (__pthread_cleanup): Ditto.
        (__pthread_attr_init): Ditto.
        (__pthread_attr_getinheritsched): Ditto.
        (__pthread_attr_getschedparam): Ditto.
        (__pthread_attr_getschedpolicy): Ditto.
        (__pthread_attr_getscope): Ditto.
        (__pthread_attr_setdetachstate): Ditto.
        (__pthread_attr_getdetachstate): Ditto.
        (__pthread_attr_setinheritsched): Ditto.
        (__pthread_attr_setschedparam): Ditto.
        (__pthread_attr_setschedpolicy): Ditto.
        (__pthread_attr_setscope): Ditto.
        (__pthread_attr_setstacksize): Ditto.
        (__pthread_attr_getstacksize): Ditto.
        (__pthread_attr_destroy): Ditto.
        (__pthread_join): Ditto.
        (__pthread_detach): Ditto.
        (__pthread_suspend): Ditto.
        (__pthread_continue): Ditto.
        (__pthread_getschedparam): Ditto.
        (__pthread_getsequence_np): Ditto.
        (__pthread_key_create): Ditto.
        (__pthread_key_delete): Ditto.
        (__pthread_setschedparam): Ditto.
        (__pthread_setspecific): Ditto.
        (__pthread_getspecific): Ditto.
        (__pthread_cond_destroy): Ditto.
        (__pthread_cond_init): Ditto.
        (__pthread_cond_broadcast): Ditto.
        (__pthread_cond_signal): Ditto.
        (__pthread_condattr_init): Ditto.
        (__pthread_condattr_getpshared): Ditto.
        (__pthread_condattr_setpshared): Ditto.
        (__pthread_condattr_destroy): Ditto.
        (__pthread_kill): Ditto.
        (__pthread_mutex_init): Ditto.
        (__pthread_mutex_getprioceiling): Ditto.
        (__pthread_mutex_lock): Ditto.
        (__pthread_mutex_trylock): Ditto.
        (__pthread_mutex_unlock): Ditto.
        (__pthread_mutex_destroy): Ditto.
        (__pthread_mutex_setprioceiling): Ditto.
        (__pthread_mutexattr_getprotocol): Ditto.
        (__pthread_mutexattr_getpshared): Ditto.
        (__pthread_mutexattr_gettype): Ditto.
        (__pthread_mutexattr_init): Ditto.
        (__pthread_mutexattr_destroy): Ditto.
        (__pthread_mutexattr_setprotocol): Ditto.
        (__pthread_mutexattr_setprioceiling): Ditto.
        (__pthread_mutexattr_getprioceiling): Ditto.
        (__pthread_mutexattr_setpshared): Ditto.
        (__pthread_mutexattr_settype): Ditto.
        (__sem_init): Ditto.
        (__sem_destroy): Ditto.
        (__sem_wait): Ditto.
        (__sem_trywait): Ditto.
        (__sem_post): Ditto.
        (__pthread_cond_dowait): New function, contains core logic from
        __pthread_cond_wait and __pthread_cond_timedwait. Decrement (*cond)->waiting
        before reentering the cond access mutex to allow detection of lost signals.
        (__pthread_cond_timedwait): Rename to pthread_cond_timedwait, and call
        __pthread_cond_dowait after calculating the wait length.
        (__pthread_cond_wait): Rename to pthread_cond_wait, and call
        __pthread_cond_dowait.
        * thread.h: New enum for use with verifyable_object_isvalid.
        Remove the extern exporting of __pthread_cond_timedwait and __pthread_cond_wait.

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