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
123
124
125
126
|
/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY MOTOROLA INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MOTOROLA INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ProcessLauncher.h"
#include "Connection.h"
#include "ProcessExecutablePath.h"
#include <WebCore/AuthenticationChallenge.h>
#include <WebCore/FileSystem.h>
#include <WebCore/NetworkingContext.h>
#include <WebCore/ResourceHandle.h>
#include <WebCore/RunLoop.h>
#include <errno.h>
#include <glib.h>
#include <locale.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
#include <wtf/gobject/GOwnPtr.h>
#include <wtf/gobject/GlibUtilities.h>
#if OS(LINUX)
#include <sys/prctl.h>
#include <sys/socket.h>
#endif
#ifdef SOCK_SEQPACKET
#define SOCKET_TYPE SOCK_SEQPACKET
#else
#define SOCKET_TYPE SOCK_STREAM
#endif
using namespace WebCore;
namespace WebKit {
static void childSetupFunction(gpointer userData)
{
int socket = GPOINTER_TO_INT(userData);
close(socket);
}
void ProcessLauncher::launchProcess()
{
GPid pid = 0;
int sockets[2];
if (socketpair(AF_UNIX, SOCKET_TYPE, 0, sockets) < 0) {
g_printerr("Creation of socket failed: %s.\n", g_strerror(errno));
ASSERT_NOT_REACHED();
return;
}
String executablePath, pluginPath;
CString realExecutablePath, realPluginPath;
if (m_launchOptions.processType == WebProcess)
executablePath = executablePathOfWebProcess();
else {
executablePath = executablePathOfPluginProcess();
pluginPath = m_launchOptions.extraInitializationData.get("plugin-path");
realPluginPath = fileSystemRepresentation(pluginPath);
}
realExecutablePath = fileSystemRepresentation(executablePath);
GOwnPtr<gchar> socket(g_strdup_printf("%d", sockets[0]));
char* argv[4];
argv[0] = const_cast<char*>(realExecutablePath.data());
argv[1] = socket.get();
argv[2] = const_cast<char*>(realPluginPath.data());
argv[3] = 0;
GOwnPtr<GError> error;
if (!g_spawn_async(0, argv, 0, G_SPAWN_LEAVE_DESCRIPTORS_OPEN, childSetupFunction, GINT_TO_POINTER(sockets[1]), &pid, &error.outPtr())) {
g_printerr("Unable to fork a new WebProcess: %s.\n", error->message);
ASSERT_NOT_REACHED();
}
close(sockets[0]);
m_processIdentifier = pid;
// We've finished launching the process, message back to the main run loop.
RunLoop::main()->dispatch(bind(&ProcessLauncher::didFinishLaunchingProcess, this, m_processIdentifier, sockets[1]));
}
void ProcessLauncher::terminateProcess()
{
if (m_isLaunching) {
invalidate();
return;
}
if (!m_processIdentifier)
return;
kill(m_processIdentifier, SIGKILL);
m_processIdentifier = 0;
}
void ProcessLauncher::platformInvalidate()
{
}
} // namespace WebKit
|