1 //===-- HostInfoFreeBSD.cpp -------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Host/freebsd/HostInfoFreeBSD.h"
11 
12 #include <stdio.h>
13 #include <string.h>
14 #include <sys/sysctl.h>
15 #include <sys/types.h>
16 #include <sys/utsname.h>
17 
18 using namespace lldb_private;
19 
20 uint32_t HostInfoFreeBSD::GetMaxThreadNameLength() { return 16; }
21 
22 bool HostInfoFreeBSD::GetOSVersion(uint32_t &major, uint32_t &minor,
23                                    uint32_t &update) {
24   struct utsname un;
25 
26   ::memset(&un, 0, sizeof(utsname));
27   if (uname(&un) < 0)
28     return false;
29 
30   int status = sscanf(un.release, "%u.%u", &major, &minor);
31   return status == 2;
32 }
33 
34 bool HostInfoFreeBSD::GetOSBuildString(std::string &s) {
35   int mib[2] = {CTL_KERN, KERN_OSREV};
36   char osrev_str[12];
37   uint32_t osrev = 0;
38   size_t osrev_len = sizeof(osrev);
39 
40   if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0) {
41     ::snprintf(osrev_str, sizeof(osrev_str), "%-8.8u", osrev);
42     s.assign(osrev_str);
43     return true;
44   }
45 
46   s.clear();
47   return false;
48 }
49 
50 bool HostInfoFreeBSD::GetOSKernelDescription(std::string &s) {
51   struct utsname un;
52 
53   ::memset(&un, 0, sizeof(utsname));
54   s.clear();
55 
56   if (uname(&un) < 0)
57     return false;
58 
59   s.assign(un.version);
60 
61   return true;
62 }
63 
64 FileSpec HostInfoFreeBSD::GetProgramFileSpec() {
65   static FileSpec g_program_filespec;
66   if (!g_program_filespec) {
67     int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
68     size_t exe_path_size;
69     if (sysctl(exe_path_mib, 4, NULL, &exe_path_size, NULL, 0) == 0) {
70       char *exe_path = new char[exe_path_size];
71       if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
72         g_program_filespec.SetFile(exe_path, false);
73       delete[] exe_path;
74     }
75   }
76   return g_program_filespec;
77 }