diff options
Diffstat (limited to 'doc/glog.html')
| -rw-r--r-- | doc/glog.html | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/glog.html b/doc/glog.html index 8d36abc..c9816e0 100644 --- a/doc/glog.html +++ b/doc/glog.html @@ -392,6 +392,34 @@ opposed to a severity level. "Present occurence is " << COUNTER; </pre> +<h2> <A name="signal">Failure Signal Handler</A> </h2> + +<p> +The library provides a convenient signal handler that will dump useful +information when the program crashes on certain signals such as SIGSEGV. +The signal handler can be installed by +google::InstallFailureSignalHandler(). The following is an example of output +from the signal handler. + +<pre> +*** Aborted at 1225095260 (unix time) try "date -d @1225095260" if you are using GNU date *** +*** SIGSEGV (@0x0) received by PID 17711 (TID 0x7f893090a6f0) from PID 0; stack trace: *** +PC: @ 0x412eb1 TestWaitingLogSink::send() + @ 0x7f892fb417d0 (unknown) + @ 0x412eb1 TestWaitingLogSink::send() + @ 0x7f89304f7f06 google::LogMessage::SendToLog() + @ 0x7f89304f35af google::LogMessage::Flush() + @ 0x7f89304f3739 google::LogMessage::~LogMessage() + @ 0x408cf4 TestLogSinkWaitTillSent() + @ 0x4115de main + @ 0x7f892f7ef1c4 (unknown) + @ 0x4046f9 (unknown) +</pre> + +<p> +By default, the signal handler writes the failure dump to the standard +error. You can customize the destination by InstallFailureWriter(). + <h2> <A name="misc">Miscellaneous Notes</A> </h2> <h3><A NAME=message>Performance of Messages</A></h3> |