X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fglog%2Flogging.h.in;h=5cf4555a5fb9b718a392f58af85e1b8638b90d77;hb=2a6df66252d266080489c310b8146e63b66b2add;hp=b1de2c98ef0e3a244632f6f0d09b6789353d338e;hpb=fc6188036180cf548c1cebe20ab637ffe205deb4;p=platform%2Fupstream%2Fglog.git

diff --git a/src/glog/logging.h.in b/src/glog/logging.h.in
index b1de2c9..5cf4555 100644
--- a/src/glog/logging.h.in
+++ b/src/glog/logging.h.in
@@ -431,9 +431,15 @@ DECLARE_bool(stop_logging_if_full_disk);
 #define LOG_TO_STRING_FATAL(message) @ac_google_namespace@::NullStreamFatal()
 #endif
 
+#if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
+#define DCHECK_IS_ON() 0
+#else
+#define DCHECK_IS_ON() 1
+#endif
+
 // For DFATAL, we want to use LogMessage (as opposed to
 // LogMessageFatal), to be consistent with the original behavior.
-#ifdef NDEBUG
+#if !DCHECK_IS_ON()
 #define COMPACT_GOOGLE_LOG_DFATAL COMPACT_GOOGLE_LOG_ERROR
 #elif GOOGLE_STRIP_LOG <= 3
 #define COMPACT_GOOGLE_LOG_DFATAL @ac_google_namespace@::LogMessage( \
@@ -572,7 +578,7 @@ class LogSink;  // defined below
   SYSLOG_IF(FATAL, !(condition)) << "Assert failed: " #condition
 
 // CHECK dies with a fatal error if condition is not true.  It is *not*
-// controlled by NDEBUG, so the check will be executed regardless of
+// controlled by DCHECK_IS_ON(), so the check will be executed regardless of
 // compilation mode.  Therefore, it is safe to do things like:
 //    CHECK(fp->Write(x) == 4)
 #define CHECK(condition)  \
@@ -722,7 +728,7 @@ DEFINE_CHECK_OP_IMPL(Check_GT, > )
 #if defined(STATIC_ANALYSIS)
 // Only for static analysis tool to know that it is equivalent to assert
 #define CHECK_OP_LOG(name, op, val1, val2, log) CHECK((val1) op (val2))
-#elif !defined(NDEBUG)
+#elif DCHECK_IS_ON()
 // In debug mode, avoid constructing CheckOpStrings if possible,
 // to reduce the overhead of CHECK statments by 2x.
 // Real DCHECK-heavy tests have seen 1.5x speedups.
@@ -751,7 +757,7 @@ typedef std::string _Check_string;
              @ac_google_namespace@::GetReferenceableValue(val2),        \
              #val1 " " #op " " #val2))                                  \
     log(__FILE__, __LINE__, _result).stream()
-#endif  // STATIC_ANALYSIS, !NDEBUG
+#endif  // STATIC_ANALYSIS, DCHECK_IS_ON()
 
 #if GOOGLE_STRIP_LOG <= 3
 #define CHECK_OP(name, op, val1, val2) \
@@ -925,16 +931,11 @@ struct CompileAssert {
 struct CrashReason;
 
 // Returns true if FailureSignalHandler is installed.
-bool IsFailureSignalHandlerInstalled();
+// Needs to be exported since it's used by the signalhandler_unittest.
+GOOGLE_GLOG_DLL_DECL bool IsFailureSignalHandlerInstalled();
 }  // namespace glog_internal_namespace_
 
-#define GOOGLE_GLOG_COMPILE_ASSERT(expr, msg) \
-  typedef @ac_google_namespace@::glog_internal_namespace_::CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
-
 #define LOG_EVERY_N(severity, n)                                        \
-  GOOGLE_GLOG_COMPILE_ASSERT(@ac_google_namespace@::GLOG_ ## severity < \
-                             @ac_google_namespace@::NUM_SEVERITIES,     \
-                             INVALID_REQUESTED_LOG_SEVERITY);           \
   SOME_KIND_OF_LOG_EVERY_N(severity, (n), @ac_google_namespace@::LogMessage::SendToLog)
 
 #define SYSLOG_EVERY_N(severity, n) \
@@ -976,7 +977,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
 
 // Plus some debug-logging macros that get compiled to nothing for production
 
-#ifndef NDEBUG
+#if DCHECK_IS_ON()
 
 #define DLOG(severity) LOG(severity)
 #define DVLOG(verboselevel) VLOG(verboselevel)
@@ -986,7 +987,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
   LOG_IF_EVERY_N(severity, condition, n)
 #define DLOG_ASSERT(condition) LOG_ASSERT(condition)
 
-// debug-only checking.  not executed in NDEBUG mode.
+// debug-only checking.  executed if DCHECK_IS_ON().
 #define DCHECK(condition) CHECK(condition)
 #define DCHECK_EQ(val1, val2) CHECK_EQ(val1, val2)
 #define DCHECK_NE(val1, val2) CHECK_NE(val1, val2)
@@ -1000,7 +1001,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
 #define DCHECK_STRNE(str1, str2) CHECK_STRNE(str1, str2)
 #define DCHECK_STRCASENE(str1, str2) CHECK_STRCASENE(str1, str2)
 
-#else  // NDEBUG
+#else  // !DCHECK_IS_ON()
 
 #define DLOG(severity) \
   true ? (void) 0 : @ac_google_namespace@::LogMessageVoidify() & LOG(severity)
@@ -1081,7 +1082,7 @@ const LogSeverity GLOG_0 = GLOG_ERROR;
   while (false) \
     GLOG_MSVC_POP_WARNING() CHECK_STRCASENE(str1, str2)
 
-#endif  // NDEBUG
+#endif  // DCHECK_IS_ON()
 
 // Log only in verbose mode.
 
@@ -1107,6 +1108,12 @@ class GOOGLE_GLOG_DLL_DECL LogStreamBuf : public std::streambuf {
   LogStreamBuf(char *buf, int len) {
     setp(buf, buf + len - 2);
   }
+
+  // Resets the buffer. Useful if we reuse it by means of TLS.
+  void reset() {
+     setp(pbase(), epptr());
+  }
+
   // This effectively ignores overflow.
   virtual int_type overflow(int_type ch) {
     return ch;
@@ -1169,6 +1176,7 @@ public:
     size_t pcount() const { return streambuf_.pcount(); }
     char* pbase() const { return streambuf_.pbase(); }
     char* str() const { return pbase(); }
+    void reset() { streambuf_.reset(); }
 
   private:
     LogStream(const LogStream&);
@@ -1303,6 +1311,35 @@ inline void LogAtLevel(int const severity, std::string const &msg) {
 // LOG macros, 2. this macro can be used as C++ stream.
 #define LOG_AT_LEVEL(severity) @ac_google_namespace@::LogMessage(__FILE__, __LINE__, severity).stream()
 
+// Check if it's compiled in C++11 mode.
+//
+// GXX_EXPERIMENTAL_CXX0X is defined by gcc and clang up to at least
+// gcc-4.7 and clang-3.1 (2011-12-13).  __cplusplus was defined to 1
+// in gcc before 4.7 (Crosstool 16) and clang before 3.1, but is
+// defined according to the language version in effect thereafter.
+// Microsoft Visual Studio 14 (2015) sets __cplusplus==199711 despite
+// reasonably good C++11 support, so we set LANG_CXX for it and
+// newer versions (_MSC_VER >= 1900).
+#if (defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L || \
+     (defined(_MSC_VER) && _MSC_VER >= 1900))
+// Helper for CHECK_NOTNULL().
+//
+// In C++11, all cases can be handled by a single function. Since the value
+// category of the argument is preserved (also for rvalue references),
+// member initializer lists like the one below will compile correctly:
+//
+//   Foo()
+//     : x_(CHECK_NOTNULL(MethodReturningUniquePtr())) {}
+template <typename T>
+T CheckNotNull(const char* file, int line, const char* names, T&& t) {
+ if (t == nullptr) {
+   LogMessageFatal(file, line, new std::string(names));
+ }
+ return std::forward<T>(t);
+}
+
+#else
+
 // A small helper for CHECK_NOTNULL().
 template <typename T>
 T* CheckNotNull(const char *file, int line, const char *names, T* t) {
@@ -1311,6 +1348,7 @@ T* CheckNotNull(const char *file, int line, const char *names, T* t) {
   }
   return t;
 }
+#endif
 
 // Allow folks to put a counter in the LOG_EVERY_X()'ed messages. This
 // only works if ostream is a LogStream. If the ostream is not a