[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [lwip-users] Timeout cases
From: |
Fabian Cenedese |
Subject: |
Re: [lwip-users] Timeout cases |
Date: |
Thu, 24 Jan 2013 08:29:53 +0100 |
At 11:47 22.01.2013 +0100, Fabian Cenedese wrote:
>Hi
>
>I'm a bit unclear about the meaning of the timeout parameter
>for the semaphore and mbox functions. Any timeout >0 is
>obviously a time in milliseconds. However if timeout==0,
>does this mean "don't wait at all" or "wait until done"?
>
>For semaphores it seems that 0==forever (sys_arch_sem_wait).
>But for mboxes 0 doesn't seem to have a special meaning
>(sys_arch_mbox_(try)fetch). Is there no need to wait with
>infinite blocking on an mbox?
>
>I also can't seem to see a difference between fetch
>and tryfetch from the description.
I'm wondering if somebody can give me a pointer to some
documentation.
Thanks
bye Fabi
- [lwip-users] Timeout cases, Fabian Cenedese, 2013/01/22
- Re: [lwip-users] Timeout cases,
Fabian Cenedese <=
- Re: [lwip-users] Timeout cases, Simon Goldschmidt, 2013/01/24
- Re: [lwip-users] Timeout cases, Fabian Cenedese, 2013/01/24
- Re: [lwip-users] Timeout cases, Simon Goldschmidt, 2013/01/24
- Re: [lwip-users] Timeout cases, Fabian Cenedese, 2013/01/24
- Re: [lwip-users] Timeout cases, Simon Goldschmidt, 2013/01/24
- Re: [lwip-users] Timeout cases, Fabian Cenedese, 2013/01/24