gem5  v21.1.0.2
pollevent.hh
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28 
29 #ifndef __BASE_POLLEVENT_HH__
30 #define __BASE_POLLEVENT_HH__
31 
32 #include <poll.h>
33 
34 #include <vector>
35 
36 #include "sim/serialize.hh"
37 
38 namespace gem5
39 {
40 
41 class PollQueue;
42 
43 class PollEvent : public Serializable
44 {
45  private:
46  friend class PollQueue;
47 
48  protected:
49  pollfd pfd;
51  bool enabled;
52 
53  public:
57  PollEvent(int fd, int event);
58  virtual ~PollEvent();
59 
64  void disable();
65  void enable();
66  virtual void process(int revent) = 0; // end of api_poll_event
68 
72  bool queued() { return queue != 0; }
73 
74  void serialize(CheckpointOut &cp) const override;
75  void unserialize(CheckpointIn &cp) override;
76 };
77 
78 class PollQueue
79 {
80  private:
83 
84  pollfd *poll_fds;
85  int max_size;
86  int num_fds;
87 
88  public:
92  PollQueue();
93  ~PollQueue();
94 
99  void copy();
100  void remove(PollEvent *event);
101  void schedule(PollEvent *event);
102  void service(); // end of api_poll_queue
104 
105 
106  public:
107  static void setupAsyncIO(int fd, bool set);
108 };
109 
113 extern PollQueue pollQueue;
114 
115 } // namespace gem5
116 
117 #endif // __BASE_POLLEVENT_HH__
serialize.hh
gem5::ArmISA::fd
Bitfield< 14, 12 > fd
Definition: types.hh:150
gem5::PollEvent::unserialize
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: pollevent.cc:102
gem5::PollQueue
Definition: pollevent.hh:78
gem5::pollQueue
PollQueue pollQueue
Definition: pollevent.cc:55
gem5::CheckpointIn
Definition: serialize.hh:68
gem5::MipsISA::event
Bitfield< 10, 5 > event
Definition: pra_constants.hh:300
gem5::PollEvent::queued
bool queued()
Definition: pollevent.hh:72
gem5::PollQueue::eventvec_t
std::vector< PollEvent * > eventvec_t
Definition: pollevent.hh:81
std::vector< PollEvent * >
gem5::PollQueue::events
eventvec_t events
Definition: pollevent.hh:82
gem5::PollEvent
Definition: pollevent.hh:43
gem5::PollEvent::pfd
pollfd pfd
Definition: pollevent.hh:49
gem5::PollQueue::remove
void remove(PollEvent *event)
Definition: pollevent.cc:139
gem5::PollEvent::process
virtual void process(int revent)=0
gem5::PollEvent::disable
void disable()
Definition: pollevent.cc:74
gem5::Serializable
Basic support for object serialization.
Definition: serialize.hh:169
gem5::PollEvent::queue
PollQueue * queue
Definition: pollevent.hh:50
gem5::PollQueue::schedule
void schedule(PollEvent *event)
Definition: pollevent.cc:159
gem5::PollEvent::enable
void enable()
Definition: pollevent.cc:84
gem5::PollQueue::PollQueue
PollQueue()
Definition: pollevent.cc:111
gem5::PollEvent::serialize
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: pollevent.cc:94
gem5::PollQueue::~PollQueue
~PollQueue()
Definition: pollevent.cc:115
gem5::PollQueue::copy
void copy()
Definition: pollevent.cc:124
gem5::PollEvent::PollEvent
PollEvent(int fd, int event)
Definition: pollevent.cc:59
gem5::PollQueue::num_fds
int num_fds
Definition: pollevent.hh:86
gem5::PollQueue::poll_fds
pollfd * poll_fds
Definition: pollevent.hh:84
gem5::PollQueue::max_size
int max_size
Definition: pollevent.hh:85
gem5::CheckpointOut
std::ostream CheckpointOut
Definition: serialize.hh:66
gem5::PollEvent::~PollEvent
virtual ~PollEvent()
Definition: pollevent.cc:67
gem5::PollQueue::service
void service()
Definition: pollevent.cc:186
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::PollEvent::enabled
bool enabled
Definition: pollevent.hh:51
gem5::PollQueue::setupAsyncIO
static void setupAsyncIO(int fd, bool set)
Definition: pollevent.cc:227

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