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Add a comment describing SS_PROTOREF in detail. This will eventually be

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in socket(9).

MFC after:	3 months
This commit is contained in:
Robert Watson 2006-04-01 10:54:51 +00:00
parent 7f689de232
commit c43a4e8a83
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=157360
1 changed files with 7 additions and 0 deletions
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7
sys/sys/socketvar.h
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@ -208,6 +208,13 @@ extern struct mtx accept_mtx;
#define SS_ASYNC 0x0200 /* async i/o notify */
#define SS_ISCONFIRMING 0x0400 /* deciding to accept connection req */
#define SS_ISDISCONNECTED 0x2000 /* socket disconnected from peer */
/*
* Protocols can mark a socket as SS_PROTOREF to indicate that, following
* pru_detach, they still want the socket to persist, and will free it
* themselves when they are done. Protocols should only ever call sofree()
* following setting this flag in pru_detach(), and never otherwise, as
* sofree() bypasses socket reference counting.
*/
#define SS_PROTOREF 0x4000 /* strong protocol reference */
/*