Re: [microblaze-uclinux] [patch] errno corruption

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi David,

David McCullough wrote:
> The real trouble with unistd.h is that the syscalls are done as macros
> and not inline functions.  This means the can be included into the
> middle of some C code,  and at the point the optimiser may move your
> declarations away from the asm,  leaving the possibility for the value
> in the register to not be preserved and break your system call.

Can we do one of the silly tricks like putting do {} while 0; around it?

Or, is there any reason not to make them inline function calls?

Thanks,

John
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