* thread.c (thread_id_make_value): Make a value representing the

[deliverable/binutils-gdb.git] / gdb / doc / gdb.texinfo

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 03752b6788b94f09dc0f315cbdea12012a95c660..8c1969678bbb6621f3f31e9136f6e33598dc4a37 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -2788,6 +2788,13 @@ As with the @samp{[New @dots{}]} message, the form of the text after
 @samp{Switching to} depends on your system's conventions for identifying
 threads.
 
+@vindex $_thread@r{, convenience variable}
+The debugger convenience variable @samp{$_thread} contains the number
+of the current thread.  You may find this useful in writing breakpoint
+conditional expressions, command scripts, and so forth.  See
+@xref{Convenience Vars,, Convenience Variables}, for general
+information on convenience variables.
+
 @kindex thread apply
 @cindex apply command to several threads
 @item thread apply [@var{threadno}] [@var{all}] @var{command}