blob: f31756cbb38a0c325483e220b7b99c0b0a47d9f0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_DEBUG_WASM_GDB_SERVER_GDB_SERVER_THREAD_H_
#define V8_DEBUG_WASM_GDB_SERVER_GDB_SERVER_THREAD_H_
#include "src/base/platform/platform.h"
#include "src/base/platform/semaphore.h"
#include "src/debug/wasm/gdb-server/target.h"
#include "src/debug/wasm/gdb-server/transport.h"
namespace v8 {
namespace internal {
namespace wasm {
namespace gdb_server {
class GdbServer;
// class GdbServerThread spawns a thread where all communication with a debugger
// happens.
class GdbServerThread : public v8::base::Thread {
public:
explicit GdbServerThread(GdbServer* gdb_server);
// base::Thread
void Run() override;
// Starts the GDB-server thread and waits Run() method is called on the new
// thread and the initialization completes.
bool StartAndInitialize();
// Stops the GDB-server thread when the V8 process shuts down; gracefully
// closes any active debugging session.
void Stop();
private:
void CleanupThread();
GdbServer* gdb_server_;
// Used to block the caller on StartAndInitialize() waiting for the new thread
// to have completed its initialization.
// (Note that Thread::StartSynchronously() wouldn't work in this case because
// it returns as soon as the new thread starts, but before Run() is called).
base::Semaphore start_semaphore_;
base::Mutex mutex_;
// Protected by {mutex_}:
std::unique_ptr<Transport> transport_;
std::unique_ptr<Target> target_;
DISALLOW_COPY_AND_ASSIGN(GdbServerThread);
};
} // namespace gdb_server
} // namespace wasm
} // namespace internal
} // namespace v8
#endif // V8_DEBUG_WASM_GDB_SERVER_GDB_SERVER_THREAD_H_
|
