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/Utility/Iterable.h"
17 #include "lldb/Utility/UserID.h"
18 #include "lldb/lldb-private.h"
20 namespace lldb_private {
22 //------------------------------------------------------------------
24 // This is the container for libdispatch aka Grand Central Dispatch Queue
27 // Each Process will have a QueueList. When the process execution is paused,
28 // the QueueList may be populated with Queues by the SystemRuntime.
29 //------------------------------------------------------------------
35 QueueList(Process *process);
39 //------------------------------------------------------------------
40 /// Get the number of libdispatch queues that are available
43 /// The number of queues that are stored in the QueueList.
44 //------------------------------------------------------------------
47 //------------------------------------------------------------------
48 /// Get the Queue at a given index number
51 /// The index number (0-based) of the queue.
53 /// The Queue at that index number.
54 //------------------------------------------------------------------
55 lldb::QueueSP GetQueueAtIndex(uint32_t idx);
57 typedef std::vector<lldb::QueueSP> collection;
58 typedef LockingAdaptedIterable<collection, lldb::QueueSP, vector_adapter,
62 //------------------------------------------------------------------
63 /// Iterate over the list of queues
66 /// An Iterable object which can be used to loop over the queues
68 //------------------------------------------------------------------
69 QueueIterable Queues() { return QueueIterable(m_queues, m_mutex); }
71 //------------------------------------------------------------------
72 /// Clear out the list of queues from the QueueList
73 //------------------------------------------------------------------
76 //------------------------------------------------------------------
77 /// Add a Queue to the QueueList
80 /// Used by the SystemRuntime to populate the QueueList
81 //------------------------------------------------------------------
82 void AddQueue(lldb::QueueSP queue);
84 //------------------------------------------------------------------
85 /// Find a queue in the QueueList by QueueID
88 /// The QueueID (same as returned by Thread::GetQueueID()) to find.
91 /// A QueueSP to the queue requested, if it is present in the QueueList.
92 /// An empty QueueSP will be returned if this queue was not found.
93 //------------------------------------------------------------------
94 lldb::QueueSP FindQueueByID(lldb::queue_id_t qid);
96 //------------------------------------------------------------------
97 /// Find a queue in the QueueList by IndexID
99 /// @param [in] index_id
100 /// Find a queue by IndexID. This is an integer associated with each
101 /// unique queue seen during a debug session and will not be reused
102 /// for a different queue. Unlike the QueueID, a 64-bit value, this
103 /// will tend to be an integral value like 1 or 7.
106 /// A QueueSP to the queue requested, if it is present in the QueueList.
107 /// An empty QueueSP will be returned if this queue was not found.
108 //------------------------------------------------------------------
109 lldb::QueueSP FindQueueByIndexID(uint32_t index_id);
111 std::mutex &GetMutex();
114 //------------------------------------------------------------------
115 // Classes that inherit from Process can see and modify these
116 //------------------------------------------------------------------
117 Process *m_process; ///< The process that manages this queue list.
119 m_stop_id; ///< The process stop ID that this queue list is valid for.
120 collection m_queues; ///< The queues for this process.
127 } // namespace lldb_private
129 #endif // liblldb_QueueList_h_