[ECOS] is diag_printf thread safe?

Andrew Lunn andrew@lunn.ch
Mon Jun 12 06:50:00 GMT 2006

On Mon, Jun 12, 2006 at 11:51:04AM +0530, saurabh prakash wrote:
> hello,
> i want to know
> 1) whether diag_printf() and printf()
>   are thread safe?

They won't crash/cause corruption if two or more threads call them
simultaneously.  You might get interleaved output. You would need to
check where the isr disable/mutex lockigng is respectively.

> 2) is it safe to call them from a DSR

printf no. diag_printf() can be called from ISR, DSR, threads etc.


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