naiveproxy/src/base/process/process_handle_mac.cc
2024-11-20 19:32:56 +08:00

45 lines
1.0 KiB
C++

// Copyright 2013 The Chromium Authors
// 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 <stddef.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include "base/files/file_path.h"
#include "base/logging.h"
#include "build/build_config.h"
#if BUILDFLAG(IS_IOS)
#include "base/ios/sim_header_shims.h"
#else
#include <libproc.h>
#endif
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