/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/lib/Support/Unix/Unix.h
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1 | | //===- llvm/Support/Unix/Unix.h - Common Unix Include File -------*- 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 | | // This file defines things specific to Unix implementations. |
11 | | // |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_LIB_SUPPORT_UNIX_UNIX_H |
15 | | #define LLVM_LIB_SUPPORT_UNIX_UNIX_H |
16 | | |
17 | | //===----------------------------------------------------------------------===// |
18 | | //=== WARNING: Implementation here must contain only generic UNIX code that |
19 | | //=== is guaranteed to work on all UNIX variants. |
20 | | //===----------------------------------------------------------------------===// |
21 | | |
22 | | #include "llvm/Config/config.h" // Get autoconf configuration settings |
23 | | #include "llvm/Support/Chrono.h" |
24 | | #include "llvm/Support/Errno.h" |
25 | | #include <algorithm> |
26 | | #include <assert.h> |
27 | | #include <cerrno> |
28 | | #include <cstdio> |
29 | | #include <cstdlib> |
30 | | #include <cstring> |
31 | | #include <string> |
32 | | #include <sys/types.h> |
33 | | #include <sys/wait.h> |
34 | | |
35 | | #ifdef HAVE_UNISTD_H |
36 | | #include <unistd.h> |
37 | | #endif |
38 | | |
39 | | #ifdef HAVE_SYS_PARAM_H |
40 | | #include <sys/param.h> |
41 | | #endif |
42 | | |
43 | | #ifdef HAVE_SYS_TIME_H |
44 | | # include <sys/time.h> |
45 | | #endif |
46 | | #include <time.h> |
47 | | |
48 | | #ifdef HAVE_DLFCN_H |
49 | | # include <dlfcn.h> |
50 | | #endif |
51 | | |
52 | | #ifdef HAVE_FCNTL_H |
53 | | # include <fcntl.h> |
54 | | #endif |
55 | | |
56 | | /// This function builds an error message into \p ErrMsg using the \p prefix |
57 | | /// string and the Unix error number given by \p errnum. If errnum is -1, the |
58 | | /// default then the value of errno is used. |
59 | | /// @brief Make an error message |
60 | | /// |
61 | | /// If the error number can be converted to a string, it will be |
62 | | /// separated from prefix by ": ". |
63 | | static inline bool MakeErrMsg( |
64 | 1 | std::string* ErrMsg, const std::string& prefix, int errnum = -1) { |
65 | 1 | if (!ErrMsg) |
66 | 0 | return true; |
67 | 1 | if (1 errnum == -11 ) |
68 | 0 | errnum = errno; |
69 | 1 | *ErrMsg = prefix + ": " + llvm::sys::StrError(errnum); |
70 | 1 | return true; |
71 | 1 | } Unexecuted instantiation: RandomNumberGenerator.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) Unexecuted instantiation: Host.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) Unexecuted instantiation: Path.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) Unexecuted instantiation: Process.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) Program.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) Line | Count | Source | 64 | 1 | std::string* ErrMsg, const std::string& prefix, int errnum = -1) { | 65 | 1 | if (!ErrMsg) | 66 | 0 | return true; | 67 | 1 | if (1 errnum == -11 ) | 68 | 0 | errnum = errno; | 69 | 1 | *ErrMsg = prefix + ": " + llvm::sys::StrError(errnum); | 70 | 1 | return true; | 71 | 1 | } |
Unexecuted instantiation: Signals.cpp:MakeErrMsg(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, int) |
72 | | |
73 | | namespace llvm { |
74 | | namespace sys { |
75 | | |
76 | | /// Convert a struct timeval to a duration. Note that timeval can be used both |
77 | | /// as a time point and a duration. Be sure to check what the input represents. |
78 | 8.89k | inline std::chrono::microseconds toDuration(const struct timeval &TV) { |
79 | 8.89k | return std::chrono::seconds(TV.tv_sec) + |
80 | 8.89k | std::chrono::microseconds(TV.tv_usec); |
81 | 8.89k | } |
82 | | |
83 | | /// Convert a time point to struct timespec. |
84 | 0 | inline struct timespec toTimeSpec(TimePoint<> TP) { |
85 | 0 | using namespace std::chrono; |
86 | 0 |
|
87 | 0 | struct timespec RetVal; |
88 | 0 | RetVal.tv_sec = toTimeT(TP); |
89 | 0 | RetVal.tv_nsec = (TP.time_since_epoch() % seconds(1)).count(); |
90 | 0 | return RetVal; |
91 | 0 | } |
92 | | |
93 | | /// Convert a time point to struct timeval. |
94 | 1 | inline struct timeval toTimeVal(TimePoint<std::chrono::microseconds> TP) { |
95 | 1 | using namespace std::chrono; |
96 | 1 | |
97 | 1 | struct timeval RetVal; |
98 | 1 | RetVal.tv_sec = toTimeT(TP); |
99 | 1 | RetVal.tv_usec = (TP.time_since_epoch() % seconds(1)).count(); |
100 | 1 | return RetVal; |
101 | 1 | } |
102 | | |
103 | | } // namespace sys |
104 | | } // namespace llvm |
105 | | |
106 | | #endif |