Re: [Xen-devel] [PATCH 09/11] tools/xc: pass errno to callers of xc_domain_save

[Olaf Hering <olaf@xxxxxxxxx>]

On Mon, Mar 10, Ian Jackson wrote:

> Yes, except the temporary should be called "error_macro_errno" or
> something.

I have changed it, now it looks like this:

+#define PERROR(_m, _a...) do { int PERROR_errno = errno; \
+        xc_report_error(xch,XC_INTERNAL_ERROR,_m " (%d = %s)", \
+        ## _a , errno, xc_strerror(xch, errno)); \
+        errno = PERROR_errno; \
+        } while (0)

Olaf

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