Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

very rudimentary recursive lock support

This commit is contained in:
pooka 2007-08-26 23:46:47 +00:00
parent 5204966a96
commit c869e534dd
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/rump/librump/rumpkern/lock_stub.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: lock_stub.c,v 1.6 2007/08/16 19:50:19 pooka Exp $ */
/* $NetBSD: lock_stub.c,v 1.7 2007/08/26 23:46:47 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -42,11 +42,13 @@ lockmgr(volatile struct lock *lock, u_int flags, struct simplelock *slock)
case LK_SHARED:
case LK_EXCLUSIVE:
lock->lk_flags = lktype;
lock->lk_recurselevel++;
break;
case LK_RELEASE:
assert(lock->lk_flags != 0);
lock->lk_flags = 0;
if (--lock->lk_recurselevel == 0)
lock->lk_flags = 0;
break;
case LK_UPGRADE: