get-rusage-as, pthread_sigmask tests: Fix -fsanitize=thread findings. * lib/get-rusage-as.c (get_rusage_as): When compiled by "gcc -fsanitize=thread", don't try get_rusage_as_via_setrlimit. * tests/test-pthread_sigmask2.c (main): Clean up the killer_thread before exiting.

Description:
Assume config.h exists, to avoid -DHAVE_CONFIG_H clutter in 'make' output.

Files:
m4/config-h.m4

Depends-on:

configure.ac:
gl_CONFIG_H

Makefile.am:

Include:

License:
LGPL

Maintainer:
Paul Eggert, Jim Meyering