enh: write coredump bt to log file

include/util/tlog.h

@@ -87,6 +87,8 @@ bool taosAssert(bool condition, const char *file, int32_t line, const char *form
 #define ASSERTS(condition, ...) taosAssert(condition, __FILE__, __LINE__, __VA_ARGS__)
 #define ASSERT(condition)       ASSERTS(condition, "assert info not provided")
 
+void taosCrash(int signum, void *sigInfo, void *context);
+
 // clang-format off
 #define uFatal(...) { if (uDebugFlag & DEBUG_FATAL) { taosPrintLog("UTL FATAL", DEBUG_FATAL, tsLogEmbedded ? 255 : uDebugFlag, __VA_ARGS__); }}
 #define uError(...) { if (uDebugFlag & DEBUG_ERROR) { taosPrintLog("UTL ERROR ", DEBUG_ERROR, tsLogEmbedded ? 255 : uDebugFlag, __VA_ARGS__); }}

source/dnode/mgmt/exe/dmMain.c

@@ -73,12 +73,16 @@ static void dmSetSignalHandle() {
   taosSetSignal(SIGTERM, dmStopDnode);
   taosSetSignal(SIGHUP, dmStopDnode);
   taosSetSignal(SIGINT, dmStopDnode);
-  taosSetSignal(SIGABRT, dmStopDnode);
   taosSetSignal(SIGBREAK, dmStopDnode);
 #ifndef WINDOWS
   taosSetSignal(SIGTSTP, dmStopDnode);
   taosSetSignal(SIGQUIT, dmStopDnode);
 #endif
+
+  taosSetSignal(SIGBUS, taosCrash);
+  taosSetSignal(SIGABRT, taosCrash);
+  taosSetSignal(SIGFPE, taosCrash);
+  taosSetSignal(SIGSEGV, taosCrash);
 }
 
 static int32_t dmParseArgs(int32_t argc, char const *argv[]) {

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -880,6 +880,9 @@ static int32_t vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq
   bool           tbCreated = false;
   terrno = TSDB_CODE_SUCCESS;
 
+  int32_t tta = 0;
+  int32_t ttt = 1/tta;
+
   pRsp->code = 0;
   pSubmitReq->version = version;
   statis.nBatchInsert = 1;

source/util/src/tlog.c

@@ -823,3 +823,31 @@ bool taosAssert(bool condition, const char *file, int32_t line, const char *form
 
   return true;
 }
+
+void taosCrash(int signum, void *sigInfo, void *context) {
+  taosIgnSignal(SIGTERM);
+  taosIgnSignal(SIGHUP);
+  taosIgnSignal(SIGINT);
+  taosIgnSignal(SIGBREAK);
+  
+  taosIgnSignal(SIGBUS);
+  taosIgnSignal(SIGABRT);
+  taosIgnSignal(SIGFPE);
+  taosIgnSignal(SIGSEGV);
+  
+  const char *flags = "UTL FATAL ";
+  ELogLevel   level = DEBUG_FATAL;
+  int32_t     dflag = 255;
+  
+  taosPrintLog(flags, level, dflag, "crash signal is %d", signum);
+  
+#ifndef WINDOWS
+  taosPrintLog(flags, level, dflag, "sender PID:%d cmdline:%s", ((siginfo_t *)sigInfo)->si_pid,
+        taosGetCmdlineByPID(((siginfo_t *)sigInfo)->si_pid));
+#endif
+
+
+  taosPrintTrace(flags, level, dflag);
+
+}
+