From: compudj Date: Wed, 21 Jan 2009 15:39:51 +0000 (+0000) Subject: update ust X-Git-Tag: v0.12.20~257 X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=9a192a692a1dc4b97d9cf99802e12df248816eef;p=lttv.git update ust git-svn-id: http://ltt.polymtl.ca/svn@3232 04897980-b3bd-0310-b5e0-8ef037075253 --- diff --git a/trunk/lttv/doc/developer/ust.txt b/trunk/lttv/doc/developer/ust.txt index 8812dee4..03799389 100644 --- a/trunk/lttv/doc/developer/ust.txt +++ b/trunk/lttv/doc/developer/ust.txt @@ -9,9 +9,10 @@ call LTTng user-space event writing functions. When the instrumented application starts, a pipe is opened to allow external tracing control, asynchronous notification is requested when commands arrive in -the pipe, and a signal handler is installed for SIGIO. Every time a SIGIO signal -is received, the runtime library checks for commands received on the external -tracing control pipe. The recognized commands are: +the pipe, and a signal handler is installed for SIGIO (or a carefully chosen +chainable signal number). Every time such signal is received, the runtime +library checks for commands received on the external tracing control pipe. The +recognized commands are: - list the available Markers and Tracepoints; - dynamically load a library (presumably containing probes to connect);