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Add definition of MSG_WAITFORONE and MSG_CMSG_CLOEXEC

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From yocto:

http://git.yoctoproject.org/cgit.cgi/poky/plain/meta/recipes-core/uclibc/uclibc-0.9.33/define-MSG_CMSG_CLOEXEC.patch

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Upstream-Status: Pending

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Index: git/libc/sysdeps/linux/common/bits/socket.h

===================================================================

--- git.orig/libc/sysdeps/linux/common/bits/socket.h    2012-01-26 23:23:21.537456132 -0800

+++ git/libc/sysdeps/linux/common/bits/socket.h 2012-01-26 23:25:10.125461388 -0800

@@ -235,8 +235,15 @@

 #define    MSG_ERRQUEUE    MSG_ERRQUEUE

     MSG_NOSIGNAL   = 0x4000, /* Do not generate SIGPIPE.  */

 #define    MSG_NOSIGNAL    MSG_NOSIGNAL

-    MSG_MORE       = 0x8000  /* Sender will send more.  */

+    MSG_MORE       = 0x8000,  /* Sender will send more.  */

 #define    MSG_MORE    MSG_MORE

+    MSG_WAITFORONE      = 0x10000, /* Wait for at least one packet to return.*/

+#define MSG_WAITFORONE  MSG_WAITFORONE

+

+    MSG_CMSG_CLOEXEC    = 0x40000000    /* Set close_on_exit for file

+                                           descriptor received through

+                                           SCM_RIGHTS.  */

+#define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC

   };