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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
//===-- FileAction.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <fcntl.h>
#if defined(_WIN32)
#include "lldb/Host/Windows/win32.h" // For O_NOCTTY
#endif
#include "lldb/Core/Stream.h"
#include "lldb/Target/FileAction.h"
using namespace lldb_private;
//----------------------------------------------------------------------------
// FileAction member functions
//----------------------------------------------------------------------------
FileAction::FileAction() :
m_action(eFileActionNone),
m_fd(-1),
m_arg(-1),
m_file_spec()
{
}
void
FileAction::Clear()
{
m_action = eFileActionNone;
m_fd = -1;
m_arg = -1;
m_file_spec.Clear();
}
const char *
FileAction::GetPath() const
{
return m_file_spec.GetCString();
}
const FileSpec &
FileAction::GetFileSpec() const
{
return m_file_spec;
}
bool
FileAction::Open(int fd, const FileSpec &file_spec, bool read, bool write)
{
if ((read || write) && fd >= 0 && file_spec)
{
m_action = eFileActionOpen;
m_fd = fd;
if (read && write)
m_arg = O_NOCTTY | O_CREAT | O_RDWR;
else if (read)
m_arg = O_NOCTTY | O_RDONLY;
else
m_arg = O_NOCTTY | O_CREAT | O_WRONLY;
m_file_spec = file_spec;
return true;
}
else
{
Clear();
}
return false;
}
bool
FileAction::Close(int fd)
{
Clear();
if (fd >= 0)
{
m_action = eFileActionClose;
m_fd = fd;
}
return m_fd >= 0;
}
bool
FileAction::Duplicate(int fd, int dup_fd)
{
Clear();
if (fd >= 0 && dup_fd >= 0)
{
m_action = eFileActionDuplicate;
m_fd = fd;
m_arg = dup_fd;
}
return m_fd >= 0;
}
void
FileAction::Dump(Stream &stream) const
{
stream.PutCString("file action: ");
switch (m_action)
{
case eFileActionClose:
stream.Printf("close fd %d", m_fd);
break;
case eFileActionDuplicate:
stream.Printf("duplicate fd %d to %d", m_fd, m_arg);
break;
case eFileActionNone:
stream.PutCString("no action");
break;
case eFileActionOpen:
stream.Printf("open fd %d with '%s', OFLAGS = 0x%x",
m_fd, m_file_spec.GetCString(), m_arg);
break;
}
}
|
