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// Copyright (c) 2011 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 <sys/sysctl.h>
#include <sys/types.h>
#include <unistd.h>
namespace base {
ProcessId GetParentProcessId(ProcessHandle process) {
struct kinfo_proc info;
size_t length;
int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, process };
if (sysctl(mib, arraysize(mib), &info, &length, NULL, 0) < 0)
return -1;
return info.ki_ppid;
}
FilePath GetProcessExecutablePath(ProcessHandle process) {
char pathname[PATH_MAX];
size_t length;
int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, process };
length = sizeof(pathname);
if (sysctl(mib, arraysize(mib), pathname, &length, NULL, 0) < 0 ||
length == 0) {
return FilePath();
}
return FilePath(std::string(pathname));
}
} // namespace base
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