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pythonnet/src/runtime/Native/LibDL.cs at noncopyableanalyzer · pythonnet/pythonnet · GitHub
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LibDL.cs
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pythonnet
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src
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runtime
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Native
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LibDL.cs
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#pragma warning disable
IDE1006
// Naming Styles (interface for native functions)
using
System
;
using
System
.
Runtime
.
InteropServices
;
namespace
Python
.
Runtime
.
Platform
{
interface
ILibDL
{
IntPtr
dlopen
(
string
?
fileName
,
int
flags
)
;
IntPtr
dlsym
(
IntPtr
handle
,
string
symbol
)
;
int
dlclose
(
IntPtr
handle
)
;
IntPtr
dlerror
(
)
;
int
RTLD_NOW
{
get
;
}
int
RTLD_GLOBAL
{
get
;
}
IntPtr
RTLD_DEFAULT
{
get
;
}
}
class
LinuxLibDL
:
ILibDL
{
private
const
string
NativeDll
=
"libdl.so"
;
public
int
RTLD_NOW
=>
0x2
;
public
int
RTLD_GLOBAL
=>
0x100
;
public
IntPtr
RTLD_DEFAULT
=>
IntPtr
.
Zero
;
public
static
ILibDL
GetInstance
(
)
{
try
{
ILibDL
libdl2
=
new
LinuxLibDL2
(
)
;
// call dlerror to ensure library is resolved
libdl2
.
dlerror
(
)
;
return
libdl2
;
}
catch
(
DllNotFoundException
)
{
return
new
LinuxLibDL
(
)
;
}
}
IntPtr
ILibDL
.
dlopen
(
string
?
fileName
,
int
flags
)
=>
dlopen
(
fileName
,
flags
)
;
IntPtr
ILibDL
.
dlsym
(
IntPtr
handle
,
string
symbol
)
=>
dlsym
(
handle
,
symbol
)
;
int
ILibDL
.
dlclose
(
IntPtr
handle
)
=>
dlclose
(
handle
)
;
IntPtr
ILibDL
.
dlerror
(
)
=>
dlerror
(
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlopen
(
string
?
fileName
,
int
flags
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlsym
(
IntPtr
handle
,
string
symbol
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
int
dlclose
(
IntPtr
handle
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
IntPtr
dlerror
(
)
;
}
class
LinuxLibDL2
:
ILibDL
{
private
const
string
NativeDll
=
"libdl.so.2"
;
public
int
RTLD_NOW
=>
0x2
;
public
int
RTLD_GLOBAL
=>
0x100
;
public
IntPtr
RTLD_DEFAULT
=>
IntPtr
.
Zero
;
IntPtr
ILibDL
.
dlopen
(
string
?
fileName
,
int
flags
)
=>
dlopen
(
fileName
,
flags
)
;
IntPtr
ILibDL
.
dlsym
(
IntPtr
handle
,
string
symbol
)
=>
dlsym
(
handle
,
symbol
)
;
int
ILibDL
.
dlclose
(
IntPtr
handle
)
=>
dlclose
(
handle
)
;
IntPtr
ILibDL
.
dlerror
(
)
=>
dlerror
(
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlopen
(
string
?
fileName
,
int
flags
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlsym
(
IntPtr
handle
,
string
symbol
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
int
dlclose
(
IntPtr
handle
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
IntPtr
dlerror
(
)
;
}
class
MacLibDL
:
ILibDL
{
public
int
RTLD_NOW
=>
0x2
;
public
int
RTLD_GLOBAL
=>
0x8
;
const
string
NativeDll
=
"/usr/lib/libSystem.dylib"
;
public
IntPtr
RTLD_DEFAULT
=>
new
(
-
2
)
;
IntPtr
ILibDL
.
dlopen
(
string
?
fileName
,
int
flags
)
=>
dlopen
(
fileName
,
flags
)
;
IntPtr
ILibDL
.
dlsym
(
IntPtr
handle
,
string
symbol
)
=>
dlsym
(
handle
,
symbol
)
;
int
ILibDL
.
dlclose
(
IntPtr
handle
)
=>
dlclose
(
handle
)
;
IntPtr
ILibDL
.
dlerror
(
)
=>
dlerror
(
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlopen
(
string
?
fileName
,
int
flags
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
,
CharSet
=
CharSet
.
Ansi
)
]
private
static
extern
IntPtr
dlsym
(
IntPtr
handle
,
string
symbol
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
int
dlclose
(
IntPtr
handle
)
;
[
DllImport
(
NativeDll
,
CallingConvention
=
CallingConvention
.
Cdecl
)
]
private
static
extern
IntPtr
dlerror
(
)
;
}
}
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