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
|
// Copyright (c) 2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/logging.h"
#include "base/process_util.h"
#import <Cocoa/Cocoa.h>
#include <crt_externs.h>
#include <spawn.h>
#include <string>
#include <sys/types.h>
#include <sys/wait.h>
namespace base {
bool LaunchApp(const std::vector<std::string>& argv,
const file_handle_mapping_vector& fds_to_remap,
bool wait, ProcessHandle* process_handle) {
bool retval = true;
char* argv_copy[argv.size() + 1];
for (size_t i = 0; i < argv.size(); i++) {
argv_copy[i] = const_cast<char*>(argv[i].c_str());
}
argv_copy[argv.size()] = NULL;
// Make sure we don't leak any FDs to the child process by marking all FDs
// as close-on-exec.
SetAllFDsToCloseOnExec();
posix_spawn_file_actions_t file_actions;
if (posix_spawn_file_actions_init(&file_actions) != 0) {
return false;
}
// Turn fds_to_remap array into a set of dup2 calls.
for (file_handle_mapping_vector::const_iterator it = fds_to_remap.begin();
it != fds_to_remap.end();
++it) {
int src_fd = it->first;
int dest_fd = it->second;
if (src_fd == dest_fd) {
int flags = fcntl(src_fd, F_GETFD);
if (flags != -1) {
fcntl(src_fd, F_SETFD, flags & ~FD_CLOEXEC);
}
} else {
if (posix_spawn_file_actions_adddup2(&file_actions, src_fd, dest_fd) != 0)
{
posix_spawn_file_actions_destroy(&file_actions);
return false;
}
}
}
int pid = 0;
int spawn_succeeded = (posix_spawnp(&pid,
argv_copy[0],
&file_actions,
NULL,
argv_copy,
*_NSGetEnviron()) == 0);
posix_spawn_file_actions_destroy(&file_actions);
bool process_handle_valid = pid > 0;
if (!spawn_succeeded || !process_handle_valid) {
retval = false;
} else {
if (wait)
waitpid(pid, 0, 0);
if(process_handle)
*process_handle = pid;
}
return retval;
}
bool LaunchApp(const CommandLine& cl,
bool wait, bool start_hidden, ProcessHandle* process_handle) {
// TODO(playmobil): Do we need to respect the start_hidden flag?
file_handle_mapping_vector no_files;
return LaunchApp(cl.argv(), no_files, wait, process_handle);
}
bool ProcessMetrics::GetIOCounters(IoCounters* io_counters) {
// TODO(pinkerton): can we implement this? On linux it relies on /proc.
return false;
}
int GetProcessCount(const std::wstring& executable_name,
const ProcessFilter* filter) {
NOTIMPLEMENTED();
return 0;
}
bool CleanupProcesses(const std::wstring& executable_name,
int wait_milliseconds,
int exit_code,
const ProcessFilter* filter) {
NOTIMPLEMENTED();
return false;
}
} // namespace base
|