d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

o Clear a high bit of ipc_perm.seq so msgget(3) never returns a

Browse Source 
negative message queue id.

PR:		kern/46122
Submitted by:	Vladimir B.Grebenschikov <vova@sw.ru>
MFC after:	2 weeks
This commit is contained in:
Maxim Konovalov 2002-12-15 09:41:46 +00:00
parent 04e30a1ce6
commit 9f59c468f3
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/kern/sysv_msg.c
View File

@ -538,7 +538,7 @@ msgget(td, uap)
msqptr->msg_perm.gid = cred->cr_gid;
msqptr->msg_perm.mode = (msgflg & 0777);
/* Make sure that the returned msqid is unique */
msqptr->msg_perm.seq++;
msqptr->msg_perm.seq = (msqptr->msg_perm.seq + 1) & 0x7fff;
msqptr->msg_first = NULL;
msqptr->msg_last = NULL;
msqptr->msg_cbytes = 0;