diff options
Diffstat (limited to 'runtime/debug.c')
| -rw-r--r-- | runtime/debug.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/runtime/debug.c b/runtime/debug.c index 1d306dbd..fa39e7fe 100644 --- a/runtime/debug.c +++ b/runtime/debug.c @@ -44,6 +44,9 @@ #include <unistd.h> #include <fcntl.h> #include <sys/stat.h> +#ifdef HAVE_SYS_SYSCALL_H +# include <sys/syscall.h> +#endif #if _POSIX_TIMERS <= 0 #include <sys/time.h> #endif @@ -66,6 +69,7 @@ static int bPrintMutexAction = 0; /* shall mutex calls be printed to the debug l static int bPrintTime = 1; /* print a timestamp together with debug message */ static int bPrintAllDebugOnExit = 0; static int bAbortTrace = 1; /* print a trace after SIGABRT or SIGSEGV */ +static int bOutputTidToStderr = 0;/* output TID to stderr on thread creation */ static char *pszAltDbgFileName = NULL; /* if set, debug output is *also* sent to here */ static int altdbg = -1; /* and the handle for alternate debug output */ int stddbg = 1; /* the handle for regular debug output, set to stdout if not forking, -1 otherwise */ @@ -293,6 +297,21 @@ static inline void dbgFuncDBRemoveMutexLock(dbgFuncDB_t *pFuncDB, pthread_mutex_ /* ------------------------- END FuncDB utility functions ------------------------- */ +/* output the current thread ID to "relevant" places + * (what "relevant" means is determinded by various ways) + */ +void +dbgOutputTID(char* name) +{ +# ifdef HAVE_SYSCALL + if(bOutputTidToStderr) + fprintf(stderr, "thread tid %u, name '%s'\n", + (unsigned)syscall(SYS_gettid), name); + DBGPRINTF("thread created, tid %u, name '%s'\n", + (unsigned)syscall(SYS_gettid), name); +# endif +} + /* ########################################################################### * IMPORTANT NOTE * Mutex instrumentation reduces the code's concurrency and thus affects its @@ -1325,6 +1344,7 @@ dbgGetRuntimeOptions(void) "PrintAllDebugInfoOnExit (not yet implemented)\n" "NoLogTimestamp\n" "Nostdoout\n" + "OutputTidToStderr\n" "filetrace=file (may be provided multiple times)\n" "DebugOnDemand - enables debugging on USR1, but does not turn on output\n" "\nSee debug.html in your doc set or http://www.rsyslog.com for details\n"); @@ -1358,6 +1378,8 @@ dbgGetRuntimeOptions(void) stddbg = -1; } else if(!strcasecmp((char*)optname, "noaborttrace")) { bAbortTrace = 0; + } else if(!strcasecmp((char*)optname, "outputtidtostderr")) { + bOutputTidToStderr = 1; } else if(!strcasecmp((char*)optname, "filetrace")) { if(*optval == '\0') { fprintf(stderr, "rsyslogd " VERSION " error: logfile debug option requires filename, " |