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changeset 14663:d426501f792a

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passfd: Add comments. * lib/passfd.c: Add comments about platforms.
author Bruno Haible <bruno@clisp.org>
date Sat, 30 Apr 2011 14:05:52 +0200
parents 69ca6b2ea292
children cc7810c91628
files ChangeLog lib/passfd.c
diffstat 2 files changed, 11 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-30  Bruno Haible  <bruno@clisp.org>
+
+	passfd: Add comments.
+	* lib/passfd.c: Add comments about platforms.
+
 2011-04-30  Bruno Haible  <bruno@clisp.org>
 
 	sys_uio: Make <sys/uio.h> self-contained.
--- a/lib/passfd.c
+++ b/lib/passfd.c
@@ -30,6 +30,12 @@
 
 #include "cloexec.h"
 
+/* The code that uses CMSG_FIRSTHDR is enabled on
+   Linux, MacOS X, FreeBSD, OpenBSD, NetBSD, AIX, OSF/1, Cygwin.
+   The code that uses HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS is enabled on
+   HP-UX, IRIX, Solaris.  */
+
+/* MSG_CMSG_CLOEXEC is defined only on Linux, as of 2011.  */
 #ifndef MSG_CMSG_CLOEXEC
 # define MSG_CMSG_CLOEXEC 0
 #endif