HostInfoFreeBSD.cpp revision 360784 
1//===-- HostInfoFreeBSD.cpp -------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "lldb/Host/freebsd/HostInfoFreeBSD.h"
10
11#include <stdio.h>
12#include <string.h>
13#include <sys/sysctl.h>
14#include <sys/types.h>
15#include <sys/utsname.h>
16#include <unistd.h>
17
18using namespace lldb_private;
19
20llvm::VersionTuple HostInfoFreeBSD::GetOSVersion() {
21  struct utsname un;
22
23  ::memset(&un, 0, sizeof(utsname));
24  if (uname(&un) < 0)
25    return llvm::VersionTuple();
26
27  unsigned major, minor;
28  if (2 == sscanf(un.release, "%u.%u", &major, &minor))
29    return llvm::VersionTuple(major, minor);
30  return llvm::VersionTuple();
31}
32
33bool HostInfoFreeBSD::GetOSBuildString(std::string &s) {
34  int mib[2] = {CTL_KERN, KERN_OSREV};
35  char osrev_str[12];
36  uint32_t osrev = 0;
37  size_t osrev_len = sizeof(osrev);
38
39  if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0) {
40    ::snprintf(osrev_str, sizeof(osrev_str), "%-8.8u", osrev);
41    s.assign(osrev_str);
42    return true;
43  }
44
45  s.clear();
46  return false;
47}
48
49bool HostInfoFreeBSD::GetOSKernelDescription(std::string &s) {
50  struct utsname un;
51
52  ::memset(&un, 0, sizeof(utsname));
53  s.clear();
54
55  if (uname(&un) < 0)
56    return false;
57
58  s.assign(un.version);
59
60  return true;
61}
62
63FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
64  static FileSpec g_program_filespec;
65  if (!g_program_filespec) {
66    int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
67    char exe_path[PATH_MAX];
68    size_t exe_path_size = sizeof(exe_path);
69    if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
70      g_program_filespec.SetFile(exe_path, FileSpec::Style::native);
71  }
72  return g_program_filespec;
73}
74