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-rw-r--r--gdb/gdbthread.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h
index bfc9124..37c2837 100644
--- a/gdb/gdbthread.h
+++ b/gdb/gdbthread.h
@@ -217,7 +217,8 @@ struct thread_info
thread has its own unique global ID. */
/* The thread's global GDB thread number. This is exposed to MI,
- Python/Scheme and visible with "info threads -gid". */
+ Python/Scheme, visible with "info threads -gid", and is also what
+ the $_gthread convenience variable is bound to. */
int global_num;
/* The per-inferior thread number. This is unique in the inferior