1 //===-- SBHostOS.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/API/SBHostOS.h"
11 #include "lldb/API/SBError.h"
12 #include "lldb/Core/Log.h"
13 #include "lldb/Host/FileSpec.h"
14 #include "lldb/Host/Host.h"
15 #include "lldb/Host/HostInfo.h"
16 #include "lldb/Host/HostNativeThread.h"
17 #include "lldb/Host/HostThread.h"
18 #include "lldb/Host/ThreadLauncher.h"
19 
20 #include "llvm/ADT/SmallString.h"
21 #include "llvm/Support/Path.h"
22 
23 using namespace lldb;
24 using namespace lldb_private;
25 
26 SBFileSpec SBHostOS::GetProgramFileSpec() {
27   SBFileSpec sb_filespec;
28   sb_filespec.SetFileSpec(HostInfo::GetProgramFileSpec());
29   return sb_filespec;
30 }
31 
32 SBFileSpec SBHostOS::GetLLDBPythonPath() {
33   SBFileSpec sb_lldb_python_filespec;
34   FileSpec lldb_python_spec;
35   if (HostInfo::GetLLDBPath(ePathTypePythonDir, lldb_python_spec)) {
36     sb_lldb_python_filespec.SetFileSpec(lldb_python_spec);
37   }
38   return sb_lldb_python_filespec;
39 }
40 
41 SBFileSpec SBHostOS::GetLLDBPath(lldb::PathType path_type) {
42   SBFileSpec sb_fspec;
43   FileSpec fspec;
44   if (HostInfo::GetLLDBPath(path_type, fspec))
45     sb_fspec.SetFileSpec(fspec);
46   return sb_fspec;
47 }
48 
49 SBFileSpec SBHostOS::GetUserHomeDirectory() {
50   SBFileSpec sb_fspec;
51 
52   llvm::SmallString<64> home_dir_path;
53   llvm::sys::path::home_directory(home_dir_path);
54   FileSpec homedir(home_dir_path.c_str(), true);
55 
56   sb_fspec.SetFileSpec(homedir);
57   return sb_fspec;
58 }
59 
60 lldb::thread_t SBHostOS::ThreadCreate(const char *name,
61                                       lldb::thread_func_t thread_function,
62                                       void *thread_arg, SBError *error_ptr) {
63   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
64 
65   if (log)
66     log->Printf(
67         "SBHostOS::ThreadCreate (name=\"%s\", thread_function=%p, "
68         "thread_arg=%p, error_ptr=%p)",
69         name,
70         reinterpret_cast<void *>(reinterpret_cast<intptr_t>(thread_function)),
71         static_cast<void *>(thread_arg), static_cast<void *>(error_ptr));
72 
73   // FIXME: You should log the return value?
74 
75   HostThread thread(ThreadLauncher::LaunchThread(
76       name, thread_function, thread_arg, error_ptr ? error_ptr->get() : NULL));
77   return thread.Release();
78 }
79 
80 void SBHostOS::ThreadCreated(const char *name) {}
81 
82 bool SBHostOS::ThreadCancel(lldb::thread_t thread, SBError *error_ptr) {
83   Error error;
84   HostThread host_thread(thread);
85   error = host_thread.Cancel();
86   if (error_ptr)
87     error_ptr->SetError(error);
88   host_thread.Release();
89   return error.Success();
90 }
91 
92 bool SBHostOS::ThreadDetach(lldb::thread_t thread, SBError *error_ptr) {
93   Error error;
94 #if defined(_WIN32)
95   if (error_ptr)
96     error_ptr->SetErrorString("ThreadDetach is not supported on this platform");
97 #else
98   HostThread host_thread(thread);
99   error = host_thread.GetNativeThread().Detach();
100   if (error_ptr)
101     error_ptr->SetError(error);
102   host_thread.Release();
103 #endif
104   return error.Success();
105 }
106 
107 bool SBHostOS::ThreadJoin(lldb::thread_t thread, lldb::thread_result_t *result,
108                           SBError *error_ptr) {
109   Error error;
110   HostThread host_thread(thread);
111   error = host_thread.Join(result);
112   if (error_ptr)
113     error_ptr->SetError(error);
114   host_thread.Release();
115   return error.Success();
116 }
117