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
|
/*
* Copyright (C) 2013 Apple 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 APPLE 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 APPLE 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.
*/
#import <Foundation/Foundation.h>
#import <dlfcn.h>
#import <stdio.h>
#import <stdlib.h>
#import <sys/event.h>
#import <unistd.h>
namespace WebKit {
static void closeUnusedFileDescriptors()
{
int numFDs = getdtablesize();
// Close all file descriptors except stdin, stdout and stderr.
for (int fd = 3; fd < numFDs; ++fd) {
// Check if this is a kqueue file descriptor. If it is, we don't want to close it because it has
// been created by initializing libdispatch from a global initializer. See <rdar://problem/9828476> for more details.
struct timespec timeSpec = { 0, 0 };
if (!kevent(fd, 0, 0, 0, 0, &timeSpec))
continue;
close(fd);
}
}
typedef int (*BootstrapMainFunction)(int argc, char** argv);
static int BootstrapMain(int argc, char** argv)
{
closeUnusedFileDescriptors();
if (argc < 2)
return EXIT_FAILURE;
static void* frameworkLibrary = dlopen(argv[1], RTLD_NOW);
if (!frameworkLibrary) {
NSLog(@"Unable to load WebKit2.framework: %s\n", dlerror());
return EXIT_FAILURE;
}
BootstrapMainFunction bootstrapMainFunction;
@autoreleasepool {
NSString *entryPointFunctionName = (NSString *)CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(), CFSTR("WebKitEntryPoint"));
bootstrapMainFunction = reinterpret_cast<BootstrapMainFunction>(dlsym(frameworkLibrary, [entryPointFunctionName UTF8String]));
if (!bootstrapMainFunction) {
NSLog(@"Unable to find entry point '%s' in WebKit2.framework: %s\n", [entryPointFunctionName UTF8String], dlerror());
return EXIT_FAILURE;
}
}
return bootstrapMainFunction(argc, argv);
}
} // namespace WebKit
int main(int argc, char** argv)
{
return WebKit::BootstrapMain(argc, argv);
}
|
