[ moved to tech-kern ]

> yamt@mwd.biglobe.ne.jp (YAMAMOTO Takashi) wrote:
> > > Module Name:	src
> > > Committed By:	rmind
> > > Date:		Sun Nov  4 11:20:35 UTC 2007
> > > 
> > > Modified Files:
> > > 	src/sys/kern: sysv_msg.c sysv_sem.c
> > > 	src/sys/sys: sem.h
> > > 
> > > Log Message:
> > > Support for dynamic changing of SysV message queues and semaphores limits.
> > > Also fixes the alignment problem, which was here forever.  Thanks for
> > > <uwe> for discussion and <martin> for testing.
> > > 
> > > Reviewed by: <tech-kern>, <gdt>
> > 
> > why make syscalls return EINTR when resizing?
> > 
> > YAMAMOTO Takashi
> 
> Sorry for late reply.
> 
> Why else you want to do? They might loop a long time, so we EINTR (this error
> code is appropriate) all waiters when resizing. Note that we wont have stale
> pointers. It is a rare operation and such behaviour should not hurt, thought.
> 
> -- 
> Best regards,
> Mindaugas
> www.NetBSD.org

sorry, i don't understand what you mean.
can't sys_semop retry by itself after resizing, rather than
returning an error to userland?

YAMAMOTO Takashi