回复： 回复： rtems libbsd gethostbyname did not work

[葡萄]

sorrry jonhs,  I am not familiar with maillist,I will try to study how to use maillist




------------------ 原始邮件 ------------------
发件人: "Chris Johns";<chrisj at rtems.org>;
发送时间: 2016年7月1日(星期五) 上午9:45
收件人: "葡萄"<29171383 at qq.com>; 

主题: Re: 回复： rtems libbsd gethostbyname did not work



Please reply to the list.Thanks.

On 01/07/2016 11:43, 葡萄 wrote:
>
> I use libbsd version 4.11 ,git from github,  rtems version is 4.11 from
> github, tools version is
>   arm-rtems4.11-gcc --version
> arm-rtems4.11-gcc (GCC) 4.9.3 20150626 (RTEMS 4.11, RSB
> 1675a733536d1aec2020011e5e522497a442561a-modified, Newlib 2.2.0.20150423)
> Copyright (C) 2015 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> i think i did not do some simple thing right
>
> ------------------ 原始邮件 ------------------
> *发件人:* "Chris Johns";<chrisj at rtems.org>;
> *发送时间:* 2016年7月1日(星期五) 上午9:38
> *收件人:* "葡萄"<29171383 at qq.com>; "users"<users at rtems.org>;
> *主题:* Re: rtems libbsd gethostbyname did not work
>
> On 30/06/2016 23:42, 葡萄 wrote:
>  > hi,I port a usb driver form freebsd for 4G dongle, it work ,but I cannot
>  > use gethostbyname ,I add some code for debug,find in
>  > freebsd/lib/libc/net/gethostnamadr.c line 581  _nsdispatch  return
>  > failure, in function _nsdispatch ,
>  >
>  > if (isthreaded) {
>  > result = _pthread_rwlock_rdlock(&nss_lock);
>  > if (result != 0) {
>  > printf("nsdispatch pthread rd lock failure %d!\n",result);
>  > result = NS_UNAVAIL;
>  > goto fin;
>  > }
>  > }
>  > _pthread_rwlock_rdlock  return invalid, can you give me some advise? how
>  > can i let gethostbyname work?
>
> Thank you for reporting this.
>
>  > *** RTEMS Info ***
>  > COPYRIGHT (c) 1989-2008.
>  > On-Line Applications Research Corporation (OAR).
>  > rtems-4.10.99.0(ARM/ARMv4/am335x)
>
> What version of libbsd, RTEMS, and tools are you using?
>
> Chris
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