38 lines
938 B
C++
38 lines
938 B
C++
|
// Copyright (c) 2013 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/process/process_handle.h"
|
||
|
|
|
||
|
|
#include <libproc.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <sys/sysctl.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include "base/logging.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
|
||
|
|
ProcessId GetParentProcessId(ProcessHandle process) {
|
||
|
|
struct kinfo_proc info;
|
||
|
|
size_t length = sizeof(struct kinfo_proc);
|
||
|
|
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
|
||
|
|
if (sysctl(mib, 4, &info, &length, NULL, 0) < 0) {
|
||
|
|
DPLOG(ERROR) << "sysctl";
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if (length == 0)
|
||
|
|
return -1;
|
||
|
|
return info.kp_eproc.e_ppid;
|
||
|
|
}
|
||
|
|
|
||
|
|
FilePath GetProcessExecutablePath(ProcessHandle process) {
|
||
|
|
char pathbuf[PROC_PIDPATHINFO_MAXSIZE];
|
||
|
|
if (!proc_pidpath(process, pathbuf, sizeof(pathbuf)))
|
||
|
|
return FilePath();
|
||
|
|
|
||
|
|
return FilePath(pathbuf);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace base
|