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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
| //===-- CommandObjectQuit.cpp -----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "CommandObjectQuit.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Target/Process.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
// CommandObjectQuit
CommandObjectQuit::CommandObjectQuit(CommandInterpreter &interpreter)
: CommandObjectParsed(interpreter, "quit", "Quit the LLDB debugger.",
"quit [exit-code]") {}
CommandObjectQuit::~CommandObjectQuit() {}
// returns true if there is at least one alive process is_a_detach will be true
// if all alive processes will be detached when you quit and false if at least
// one process will be killed instead
bool CommandObjectQuit::ShouldAskForConfirmation(bool &is_a_detach) {
if (!m_interpreter.GetPromptOnQuit())
return false;
bool should_prompt = false;
is_a_detach = true;
for (uint32_t debugger_idx = 0; debugger_idx < Debugger::GetNumDebuggers();
debugger_idx++) {
DebuggerSP debugger_sp(Debugger::GetDebuggerAtIndex(debugger_idx));
if (!debugger_sp)
continue;
const TargetList &target_list(debugger_sp->GetTargetList());
for (uint32_t target_idx = 0;
target_idx < static_cast<uint32_t>(target_list.GetNumTargets());
target_idx++) {
TargetSP target_sp(target_list.GetTargetAtIndex(target_idx));
if (!target_sp)
continue;
ProcessSP process_sp(target_sp->GetProcessSP());
if (process_sp && process_sp->IsValid() && process_sp->IsAlive() &&
process_sp->WarnBeforeDetach()) {
should_prompt = true;
if (!process_sp->GetShouldDetach()) {
// if we need to kill at least one process, just say so and return
is_a_detach = false;
return should_prompt;
}
}
}
}
return should_prompt;
}
bool CommandObjectQuit::DoExecute(Args &command, CommandReturnObject &result) {
bool is_a_detach = true;
if (ShouldAskForConfirmation(is_a_detach)) {
StreamString message;
message.Printf("Quitting LLDB will %s one or more processes. Do you really "
"want to proceed",
(is_a_detach ? "detach from" : "kill"));
if (!m_interpreter.Confirm(message.GetString(), true)) {
result.SetStatus(eReturnStatusFailed);
return false;
}
}
if (command.GetArgumentCount() > 1) {
result.AppendError("Too many arguments for 'quit'. Only an optional exit "
"code is allowed");
result.SetStatus(eReturnStatusFailed);
return false;
}
// We parse the exit code argument if there is one.
if (command.GetArgumentCount() == 1) {
llvm::StringRef arg = command.GetArgumentAtIndex(0);
int exit_code;
if (arg.getAsInteger(/*autodetect radix*/ 0, exit_code)) {
lldb_private::StreamString s;
std::string arg_str = arg.str();
s.Printf("Couldn't parse '%s' as integer for exit code.", arg_str.data());
result.AppendError(s.GetString());
result.SetStatus(eReturnStatusFailed);
return false;
}
if (!m_interpreter.SetQuitExitCode(exit_code)) {
result.AppendError("The current driver doesn't allow custom exit codes"
" for the quit command.");
result.SetStatus(eReturnStatusFailed);
return false;
}
}
const uint32_t event_type =
CommandInterpreter::eBroadcastBitQuitCommandReceived;
m_interpreter.BroadcastEvent(event_type);
result.SetStatus(eReturnStatusQuit);
return true;
}
|