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

[Cyril Hrubis]

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.

-- 
Cyril Hrubis
chrubis@suse.cz