On Wed, Jun 10, 2015 at 09:34:51AM +0000, Mateusz Guzik wrote:
M> Author: mjg
M> Date: Wed Jun 10 09:34:50 2015
M> New Revision: 284211
M> URL: https://svnweb.freebsd.org/changeset/base/284211
M> 
M> Log:
M>   fd: use atomics to manage fd_refcnt and fd_holcnt
M>   
M>   This gets rid of fdesc_mtx.
..
M> Modified: head/sys/sys/filedesc.h
M> 
==============================================================================
M> --- head/sys/sys/filedesc.h  Wed Jun 10 05:39:48 2015        (r284210)
M> +++ head/sys/sys/filedesc.h  Wed Jun 10 09:34:50 2015        (r284211)
M> @@ -83,8 +83,8 @@ struct filedesc {
M>      int     fd_lastfile;            /* high-water mark of fd_ofiles */
M>      int     fd_freefile;            /* approx. next free file */
M>      u_short fd_cmask;               /* mask for file creation */
M> -    u_short fd_refcnt;              /* thread reference count */
M> -    u_short fd_holdcnt;             /* hold count on structure + mutex */
M> +    int     fd_refcnt;              /* thread reference count */
M> +    int     fd_holdcnt;             /* hold count on structure + mutex */
M>      struct  sx fd_sx;               /* protects members of this struct */
M>      struct  kqlist fd_kqlist;       /* list of kqueues on this filedesc */
M>      int     fd_holdleaderscount;    /* block fdfree() for shared close() */

Shouldn't they be volatile u_int?

-- 
Totus tuus, Glebius.
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"

Reply via email to