X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=doc%2Fman%2Flttng-ust.3.txt;h=ed525f6e9866a31e7dfc2b8987be4c0d880f7f6a;hb=3faa376cbee168b2d45c53c2f07cb676c7049f5f;hp=8ecda775b3477f363a8c234109e4d9a95802f67d;hpb=d1194248c71fd4767382b4ea40dfa1cea3db1fd7;p=lttng-ust.git

diff --git a/doc/man/lttng-ust.3.txt b/doc/man/lttng-ust.3.txt
index 8ecda775..ed525f6e 100644
--- a/doc/man/lttng-ust.3.txt
+++ b/doc/man/lttng-ust.3.txt
@@ -738,6 +738,12 @@ without a following man:exec(3) family system call. The library
 application with the `LD_PRELOAD` environment variable (see
 man:ld.so(8)).
 
+To use `liblttng-ust` with a daemon application which closes file
+descriptors that were not opened by it, preload the `liblttng-ust-fd.so`
+library before you start the application. Typical use cases include
+daemons closing all file descriptors after man:fork(2), and buggy
+applications doing ``double-closes''.
+
 
 Context information
 ~~~~~~~~~~~~~~~~~~~