1 //===-- QueueList.h --------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_QueueList_h_
11 #define liblldb_QueueList_h_
16 #include "lldb/Core/UserID.h"
17 #include "lldb/Utility/Iterable.h"
18 #include "lldb/lldb-private.h"
20 namespace lldb_private {
22 //------------------------------------------------------------------
24 // This is the container for libdispatch aka Grand Central Dispatch
27 // Each Process will have a QueueList. When the process execution is
28 // paused, the QueueList may be populated with Queues by the
30 //------------------------------------------------------------------
36 QueueList(Process *process);
40 //------------------------------------------------------------------
41 /// Get the number of libdispatch queues that are available
44 /// The number of queues that are stored in the QueueList.
45 //------------------------------------------------------------------
48 //------------------------------------------------------------------
49 /// Get the Queue at a given index number
52 /// The index number (0-based) of the queue.
54 /// The Queue at that index number.
55 //------------------------------------------------------------------
56 lldb::QueueSP GetQueueAtIndex(uint32_t idx);
58 typedef std::vector<lldb::QueueSP> collection;
59 typedef LockingAdaptedIterable<collection, lldb::QueueSP, vector_adapter,
63 //------------------------------------------------------------------
64 /// Iterate over the list of queues
67 /// An Iterable object which can be used to loop over the queues
69 //------------------------------------------------------------------
70 QueueIterable Queues() { return QueueIterable(m_queues, m_mutex); }
72 //------------------------------------------------------------------
73 /// Clear out the list of queues from the QueueList
74 //------------------------------------------------------------------
77 //------------------------------------------------------------------
78 /// Add a Queue to the QueueList
81 /// Used by the SystemRuntime to populate the QueueList
82 //------------------------------------------------------------------
83 void AddQueue(lldb::QueueSP queue);
85 //------------------------------------------------------------------
86 /// Find a queue in the QueueList by QueueID
89 /// The QueueID (same as returned by Thread::GetQueueID()) to find.
92 /// A QueueSP to the queue requested, if it is present in the QueueList.
93 /// An empty QueueSP will be returned if this queue was not found.
94 //------------------------------------------------------------------
95 lldb::QueueSP FindQueueByID(lldb::queue_id_t qid);
97 //------------------------------------------------------------------
98 /// Find a queue in the QueueList by IndexID
100 /// @param [in] index_id
101 /// Find a queue by IndexID. This is an integer associated with each
102 /// unique queue seen during a debug session and will not be reused
103 /// for a different queue. Unlike the QueueID, a 64-bit value, this
104 /// will tend to be an integral value like 1 or 7.
107 /// A QueueSP to the queue requested, if it is present in the QueueList.
108 /// An empty QueueSP will be returned if this queue was not found.
109 //------------------------------------------------------------------
110 lldb::QueueSP FindQueueByIndexID(uint32_t index_id);
112 std::mutex &GetMutex();
115 //------------------------------------------------------------------
116 // Classes that inherit from Process can see and modify these
117 //------------------------------------------------------------------
118 Process *m_process; ///< The process that manages this queue list.
120 m_stop_id; ///< The process stop ID that this queue list is valid for.
121 collection m_queues; ///< The queues for this process.
128 } // namespace lldb_private
130 #endif // liblldb_QueueList_h_