Function cmd_sem_unlock

src/engine/make1.cpp:1480–1514

}

static void cmd_sem_unlock( TARGET * t )
{
    CMD * cmd = ( CMD * )t->cmds;
    TARGETS * iter;
    /* Release the semaphores. */
    for ( iter = cmd->unlock; iter; iter = iter->next )
    {
        if ( DEBUG_EXECCMD )
            out_printf( "SEM: %s is now free\n", object_str(
                iter->target->name ) );
        --iter->target->asynccnt;
        assert( iter->target->asynccnt <= 0 );
    }
    for ( iter = cmd->unlock; iter; iter = iter->next )
    {
        /* Find a waiting target that's ready */
        while ( iter->target->parents )
        {
            TARGETS * first = iter->target->parents;
            TARGET * t1 = first->target;

            /* Pop the first waiting CMD */
            if ( first->next )
                first->next->tail = first->tail;
            iter->target->parents = first->next;
            BJAM_FREE( first );

            if ( cmd_sem_lock( t1 ) )
            {
                push_state( &state_stack, t1, NULL, T_STATE_MAKE1C );
                break;
            }
        }
    }
}

#endif