[LTP] [PATCH 1/6] lapi: Add TEMP_FAILURE_RETRY definition

[Petr Vorel]

Hi Cyril,

> Hi!
> > and use it in realtime to fix pi-tests.
> > This fixes build failure on libc missing it (e.g. musl, bionic):

> > test-skeleton.c:112:12: warning: implicit declaration of function ???TEMP_FAILURE_RETRY??? [-Wimplicit-function-declaration]
> >   termpid = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
> >             ^~~~~~~~~~~~~~~~~~
> > make[5]: *** [<builtin>: testpi-6] Error 1

> I had no idea glibc has macro like this. I do wonder if it worth a
> fallback definition if we have exactly one use in the source code tree.
> Maybe we should just replace the macro with the while loop instead.

Replaced and the rest pushed with your ack.
Thanks for your review!


Kind regards,
Petr