select返回-1,errno却是0
-
- Posts: 45
- Joined: Tue Jan 19, 2016 2:39 pm
select返回-1,errno却是0
Postby tobewinner » Mon Apr 10, 2017 4:49 pm
我使用的是ESP_RTOS_SDK git上170316的版本
在多次操作TCP时,偶尔select会返回-1,但得到的errno是0,同时select无法做到让出cpu
这是什么原因呢?是不是170316的版本TCP_WND无法设置导致?
我原本想自己编译third_part中的lwip看看log,但编译出来的.a在生成最后的镜像时,提示`iram1_0_seg' error
在多次操作TCP时,偶尔select会返回-1,但得到的errno是0,同时select无法做到让出cpu
这是什么原因呢?是不是170316的版本TCP_WND无法设置导致?
我原本想自己编译third_part中的lwip看看log,但编译出来的.a在生成最后的镜像时,提示`iram1_0_seg' error
-
- Posts: 45
- Joined: Tue Jan 19, 2016 2:39 pm
Re: select返回-1,errno却是0
Postby tobewinner » Sat May 27, 2017 5:40 pm
在之前的rtos_sdk中是工作正常的,官方能否测试一下
再使用多条链接时,可能会同时存在的超过3条,能否试一下,select为什么会返回-1
再使用多条链接时,可能会同时存在的超过3条,能否试一下,select为什么会返回-1
-
- Posts: 27
- Joined: Tue Sep 29, 2015 4:27 pm
Re: select返回-1,errno却是0
Postby bobby_jiang » Tue Sep 05, 2017 1:57 pm
同问,我的也是V1.5.0的rtos的sdk,也碰到同样的问题,为什么乐鑫都没有来解答一下这个问题啊 ?
-
- Posts: 27
- Joined: Tue Sep 29, 2015 4:27 pm
Who is online
Users browsing this forum: No registered users and 63 guests
Login
Newbies Start Here
Are you new to ESP8266?
Unsure what to do?
Dunno where to start?
Start right here!
Latest SDK
Documentation
Complete listing of the official ESP8266 related documentation release by ESPRESSIF!
Must read here!
- All times are UTC+08:00
- Top
- Delete all board cookies
About Us
Espressif Systems is a fabless semiconductor company providing cutting-edge low power WiFi SoCs and wireless solutions for wireless communications and Internet of Things applications. We are the manufacturer of ESP8266EX.