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/types.h>
15 #include <sys/sysctl.h>
16 #include <sys/utsname.h>
17
18 using namespace lldb_private;
19
20 uint32_t
GetMaxThreadNameLength()21 HostInfoFreeBSD::GetMaxThreadNameLength()
22 {
23 return 16;
24 }
25
26 bool
GetOSVersion(uint32_t & major,uint32_t & minor,uint32_t & update)27 HostInfoFreeBSD::GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t &update)
28 {
29 struct utsname un;
30
31 ::memset(&un, 0, sizeof(utsname));
32 if (uname(&un) < 0)
33 return false;
34
35 int status = sscanf(un.release, "%u.%u", &major, &minor);
36 return status == 2;
37 }
38
39 bool
GetOSBuildString(std::string & s)40 HostInfoFreeBSD::GetOSBuildString(std::string &s)
41 {
42 int mib[2] = {CTL_KERN, KERN_OSREV};
43 char osrev_str[12];
44 uint32_t osrev = 0;
45 size_t osrev_len = sizeof(osrev);
46
47 if (::sysctl(mib, 2, &osrev, &osrev_len, NULL, 0) == 0)
48 {
49 ::snprintf(osrev_str, sizeof(osrev_str), "%-8.8u", osrev);
50 s.assign(osrev_str);
51 return true;
52 }
53
54 s.clear();
55 return false;
56 }
57
58 bool
GetOSKernelDescription(std::string & s)59 HostInfoFreeBSD::GetOSKernelDescription(std::string &s)
60 {
61 struct utsname un;
62
63 ::memset(&un, 0, sizeof(utsname));
64 s.clear();
65
66 if (uname(&un) < 0)
67 return false;
68
69 s.assign(un.version);
70
71 return true;
72 }
73
74 FileSpec
GetProgramFileSpec()75 HostInfoFreeBSD::GetProgramFileSpec()
76 {
77 static FileSpec g_program_filespec;
78 if (!g_program_filespec)
79 {
80 int exe_path_mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, getpid()};
81 size_t exe_path_size;
82 if (sysctl(exe_path_mib, 4, NULL, &exe_path_size, NULL, 0) == 0)
83 {
84 char *exe_path = new char[exe_path_size];
85 if (sysctl(exe_path_mib, 4, exe_path, &exe_path_size, NULL, 0) == 0)
86 g_program_filespec.SetFile(exe_path, false);
87 delete[] exe_path;
88 }
89 }
90 return g_program_filespec;
91 }