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2017-06-20 Zack Weinberg <zackw@panix.com>
+ * bits/signum-generic.h: Renamed from bits/signum.h.
+ Add proper multiple include guard and misuse check.
+ Define __SIGRTMIN = __SIGRTMAX = 32, and define _NSIG = __SIGRTMAX+1.
+ Move definition of SIGIO to "archaic names for compatibility" section.
+ * bits/signum.h: New file which just includes bits/signum-generic.h.
+ * sysdeps/unix/bsd/bits/signum.h
+ * sysdeps/unix/sysv/linux/bits/signum.h
+ * sysdeps/unix/sysv/linux/alpha/bits/signum.h
+ * sysdeps/unix/sysv/linux/hppa/bits/signum.h
+ * sysdeps/unix/sysv/linux/mips/bits/signum.h
+ * sysdeps/unix/sysv/linux/sparc/bits/signum.h
+ Just include <bits/signum-generic.h> and then add or adjust
+ signal constants. Do not define SIGUNUSED, SIGRTMIN, or SIGRTMAX.
+
+ * signal/Makefile: Install bits/signum-generic.h.
+ * signal/signal.h: Define SIGRTMIN and SIGRTMAX here.
+
+ * sysdeps/generic/siglist.h: SIGSYS and SIGWINCH are
+ universal. Prefer SIGPOLL to SIGIO. Simplify #ifdeffage.
+
+ * sysdeps/unix/sysv/linux/tst-signal-numbers.sh: New test.
+ * sysdeps/unix/sysv/linux/Makefile: Run it.
+
+2017-06-20 Zack Weinberg <zackw@panix.com>
+
* locale/xlocale.h: Rename to...
* locale/bits/types/__locale_t.h: ...here. Adjust commentary.
Only define struct __locale_struct and __locale_t, not locale_t.