chardev: add a note about frontend sources and context switch

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20190206174328.9736-5-marcandre.lureau@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
qemu · Feb 13, 2019 · 64c3f26 · 64c3f26
1 parent b1f1103
commit 64c3f26
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h
@@ -184,6 +184,9 @@ void qemu_chr_fe_printf(CharBackend *be, const char *fmt, ...)
  * is active; return the #GSource's tag.  If it is disconnected,
  * or without associated Chardev, return 0.
  *
+ * Note that you are responsible to update the front-end sources if
+ * you are switching the main context with qemu_chr_fe_set_handlers().
+ *
  * Returns: the source tag
  */
 guint qemu_chr_fe_add_watch(CharBackend *be, GIOCondition cond,