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sys/socket.h: Add "Socket"-level control message types

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Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
Change-Id: I05f8dd29501f6b06cdd278e0e416f210a98aa6b0
This commit is contained in:
Huang Qi 2021-03-31 11:05:44 +08:00 committed by Xiang Xiao
parent b4b175cb7f
commit 45dc778865
1 changed files with 6 additions and 0 deletions
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6
include/sys/socket.h
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@ -261,6 +261,12 @@
#define CMSG_FIRSTHDR(msg) \
__CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
/* "Socket"-level control message types: */
#define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
#define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
#define SCM_SECURITY 0x03 /* rw: security label */
/****************************************************************************
* Type Definitions
****************************************************************************/