From: Markus Armbruster <[email protected]>

Rules for headers were proposed a long time ago, and generally liked:

    Message-ID: <[email protected]>
    https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html

Wortk them into docs/devel/style.rst.

Suggested-by: Bernhard Beschow <[email protected]>
Signed-off-by: Markus Armbruster <[email protected]>
Message-Id: <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Alex Bennée <[email protected]>
Reviewed-by: Bernhard Beschow <[email protected]>
---
 docs/devel/style.rst | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/devel/style.rst b/docs/devel/style.rst
index 7ddd42b6c2..68aa776930 100644
--- a/docs/devel/style.rst
+++ b/docs/devel/style.rst
@@ -293,6 +293,13 @@ that QEMU depends on.
 Do not include "qemu/osdep.h" from header files since the .c file will have
 already included it.
 
+Headers should normally include everything they need beyond osdep.h.
+If exceptions are needed for some reason, they must be documented in
+the header.  If all that's needed from a header is typedefs, consider
+putting those into qemu/typedefs.h instead of including the header.
+
+Cyclic inclusion is forbidden.
+
 C types
 =======
 
-- 
MST


Reply via email to