X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=CODING_STYLE;h=557401348789e0322ea45a1d699d56430da329eb;hp=30d24e56a6e1fa4ec9e40896f47096451b629f7b;hb=6e646d22f6f9215de5ccb5e5edf450558c59fed1;hpb=798d3a524ea57aaf40cb53858aaa45ec702f012d

diff --git a/CODING_STYLE b/CODING_STYLE
index 30d24e56a..557401348 100644
--- a/CODING_STYLE
+++ b/CODING_STYLE
@@ -195,4 +195,16 @@
 - When you allocate a file descriptor, it should be made O_CLOEXEC
   right from the beginning, as none of our files should leak to forked
   binaries by default. Hence, whenever you open a file, O_CLOEXEC must
-  be specified, right from the beginning.
+  be specified, right from the beginning. This also applies to
+  sockets. Effectively this means that all invocations to:
+
+  a) open() must get O_CLOEXEC passed
+  b) socket() and socketpair() must get SOCK_CLOEXEC passed
+  c) recvmsg() must get MSG_CMSG_CLOEXEC set
+  d) F_DUPFD_CLOEXEC should be used instead of F_DUPFD, and so on
+
+- We never use the XDG version of basename(). glibc defines it in
+  libgen.h. The only reason to include that file is because dirname()
+  is needed. Everytime you need that please immediately undefine
+  basename(), and add a comment about it, so that no code ever ends up
+  using the XDG version!