refactor: use std::string for thread names

src/qt/guiutil.cpp

@@ -982,7 +982,7 @@ void PrintSlotException(
     std::string description = sender->metaObject()->className();
     description += "->";
     description += receiver->metaObject()->className();
-    PrintExceptionContinue(exception, description.c_str());
+    PrintExceptionContinue(exception, description);
 }
 
 void ShowModalDialogAsynchronously(QDialog* dialog)

src/util/system.cpp

@@ -831,7 +831,7 @@ std::string HelpMessageOpt(const std::string &option, const std::string &message
            std::string("\n\n");
 }
 
-static std::string FormatException(const std::exception* pex, const char* pszThread)
+static std::string FormatException(const std::exception* pex, std::string_view pszThread)
 {
 #ifdef WIN32
     char pszModule[MAX_PATH] = "";
@@ -847,7 +847,7 @@ static std::string FormatException(const std::exception* pex, const char* pszThr
             "UNKNOWN EXCEPTION       \n%s in %s       \n", pszModule, pszThread);
 }
 
-void PrintExceptionContinue(const std::exception* pex, const char* pszThread)
+void PrintExceptionContinue(const std::exception* pex, std::string_view pszThread)
 {
     std::string message = FormatException(pex, pszThread);
     LogPrintf("\n\n************************\n%s\n", message);

src/util/system.h

@@ -51,7 +51,7 @@ bool error(const char* fmt, const Args&... args)
     return false;
 }
 
-void PrintExceptionContinue(const std::exception *pex, const char* pszThread);
+void PrintExceptionContinue(const std::exception* pex, std::string_view pszThread);
 
 /**
  * Ensure file contents are fully committed to disk, using a platform-specific

src/util/thread.cpp

@@ -10,10 +10,12 @@
 
 #include <exception>
 #include <functional>
+#include <string>
+#include <utility>
 
-void util::TraceThread(const char* thread_name, std::function<void()> thread_func)
+void util::TraceThread(std::string_view thread_name, std::function<void()> thread_func)
 {
-    util::ThreadRename(thread_name);
+    util::ThreadRename(std::string{thread_name});
     try {
         LogPrintf("%s thread start\n", thread_name);
         thread_func();

src/util/thread.h

@@ -6,12 +6,13 @@
 #define BITCOIN_UTIL_THREAD_H
 
 #include <functional>
+#include <string>
 
 namespace util {
 /**
  * A wrapper for do-something-once thread functions.
  */
-void TraceThread(const char* thread_name, std::function<void()> thread_func);
+void TraceThread(std::string_view thread_name, std::function<void()> thread_func);
 
 } // namespace util