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Re: [lwip-users] sys_arch_mbox_fetch() implementation for FreeRTOS

From: address@hidden
Subject: Re: [lwip-users] sys_arch_mbox_fetch() implementation for FreeRTOS
Date: Tue, 21 Jun 2022 20:56:51 +0200
User-agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0

Am 21.06.2022 um 12:37 schrieb massimiliano cialdi via lwip-users:

the setsockopt(SO_RCVTIMEO) POSIX call contemplates the possibility of
imposing 0 as the 'timeout' parameter, and in that case that socket
becomes non-blocking (See, for example,

Sorry, but stackoverflow is *not* a good source to cite when talking
about POSIX standard.

Instead, I prefer to search opengroup.com and on the 'setsockopt' page
google gives me
I find this in the description of SO_RCVTIMEO:

"The default for this option is zero, which indicates that a receive
operation shall not time out."

BTW, even the stackoverflow page you cited says: "If the timeout is set
to zero (the default) then the operation will never timeout".


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