diff --git a/bits/signum-arch.h b/bits/signum-arch.h
new file mode 100644
index 0000000000..abecff2345
--- /dev/null
+++ b/bits/signum-arch.h
@@ -0,0 +1,59 @@
+/* Signal number constants. Specific architecture definitions.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 12 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 16 /* Urgent data is available at a socket. */
+#define SIGSTOP 17 /* Stop, unblockable. */
+#define SIGTSTP 18 /* Keyboard stop. */
+#define SIGCONT 19 /* Continue. */
+#define SIGCHLD 20 /* Child terminated or stopped. */
+#define SIGTTIN 21 /* Background read from control terminal. */
+#define SIGTTOU 22 /* Background write to control terminal. */
+#define SIGPOLL 23 /* Pollable event occurred (System V). */
+#define SIGXCPU 24 /* CPU time limit exceeded. */
+#define SIGVTALRM 26 /* Virtual timer expired. */
+#define SIGPROF 27 /* Profiling timer expired. */
+#define SIGXFSZ 25 /* File size limit exceeded. */
+#define SIGUSR1 30 /* User-defined signal 1. */
+#define SIGUSR2 31 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+/* By default no real-time signals are supported. */
+#define __SIGRTMIN 32
+#define __SIGRTMAX __SIGRTMIN
+
+#endif
diff --git a/bits/signum-generic.h b/bits/signum-generic.h
index 504e5fb8c8..67131853c2 100644
--- a/bits/signum-generic.h
+++ b/bits/signum-generic.h
@@ -57,31 +57,9 @@
#define SIGQUIT 3 /* Quit. */
#define SIGTRAP 5 /* Trace/breakpoint trap. */
#define SIGKILL 9 /* Killed. */
-#define SIGBUS 10 /* Bus error. */
-#define SIGSYS 12 /* Bad system call. */
#define SIGPIPE 13 /* Broken pipe. */
#define SIGALRM 14 /* Alarm clock. */
-/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
-#define SIGURG 16 /* Urgent data is available at a socket. */
-#define SIGSTOP 17 /* Stop, unblockable. */
-#define SIGTSTP 18 /* Keyboard stop. */
-#define SIGCONT 19 /* Continue. */
-#define SIGCHLD 20 /* Child terminated or stopped. */
-#define SIGTTIN 21 /* Background read from control terminal. */
-#define SIGTTOU 22 /* Background write to control terminal. */
-#define SIGPOLL 23 /* Pollable event occurred (System V). */
-#define SIGXCPU 24 /* CPU time limit exceeded. */
-#define SIGXFSZ 25 /* File size limit exceeded. */
-#define SIGVTALRM 26 /* Virtual timer expired. */
-#define SIGPROF 27 /* Profiling timer expired. */
-#define SIGUSR1 30 /* User-defined signal 1. */
-#define SIGUSR2 31 /* User-defined signal 2. */
-
-/* Nonstandard signals found in all modern POSIX systems
- (including both BSD and Linux). */
-#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
-
/* Archaic names for compatibility. */
#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
@@ -93,8 +71,9 @@
but some real-time signals may be used internally by glibc. Do not
use these constants in application code; use SIGRTMIN and SIGRTMAX
(defined in signal.h) instead. */
-#define __SIGRTMIN 32
-#define __SIGRTMAX __SIGRTMIN
+
+/* Include system specific bits. */
+#include
/* Biggest signal number + 1 (including real-time signals). */
#define _NSIG (__SIGRTMAX + 1)
diff --git a/bits/signum.h b/bits/signum.h
deleted file mode 100644
index 183e3c0545..0000000000
--- a/bits/signum.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Signal number constants. Generic version.
- Copyright (C) 2017-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* This operating system does not need to override any of the generic
- signal number assignments in bits/signum-generic.h, nor to add any
- additional signal constants. */
-
-#endif /* bits/signum.h. */
diff --git a/signal/Makefile b/signal/Makefile
index f3c19e2992..2ec3ddd74f 100644
--- a/signal/Makefile
+++ b/signal/Makefile
@@ -23,7 +23,7 @@ subdir := signal
include ../Makeconfig
headers := signal.h sys/signal.h \
- bits/signum.h bits/signum-generic.h \
+ bits/signum-generic.h bits/signum-arch.h \
bits/sigcontext.h bits/sigaction.h \
bits/sigevent-consts.h bits/siginfo-consts.h \
bits/sigstack.h bits/sigthread.h bits/ss_flags.h \
diff --git a/signal/signal.h b/signal/signal.h
index 2c57f90e20..db325bde16 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -27,7 +27,7 @@
__BEGIN_DECLS
#include
-#include
+#include
#include
diff --git a/sysdeps/mach/hurd/bits/signum-arch.h b/sysdeps/mach/hurd/bits/signum-arch.h
new file mode 100644
index 0000000000..bfcb37a47c
--- /dev/null
+++ b/sysdeps/mach/hurd/bits/signum-arch.h
@@ -0,0 +1,65 @@
+/* Signal number constants. Specific architecture definitions.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 12 /* Bad system call. */
+
+/* Adjustments and additions to the signal number constants for
+ 4.2 or 4.3 BSD-derived Unix systems. */
+#define SIGEMT 7 /* Emulator trap (4.2 BSD). */
+#define SIGINFO 29 /* Information request (4.4 BSD). */
+#define SIGLOST 32 /* Resource lost (Sun); server died (GNU). */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 16 /* Urgent data is available at a socket. */
+#define SIGSTOP 17 /* Stop, unblockable. */
+#define SIGTSTP 18 /* Keyboard stop. */
+#define SIGCONT 19 /* Continue. */
+#define SIGCHLD 20 /* Child terminated or stopped. */
+#define SIGTTIN 21 /* Background read from control terminal. */
+#define SIGTTOU 22 /* Background write to control terminal. */
+#define SIGPOLL 23 /* Pollable event occurred (System V). */
+#define SIGXCPU 24 /* CPU time limit exceeded. */
+#define SIGVTALRM 26 /* Virtual timer expired. */
+#define SIGPROF 27 /* Profiling timer expired. */
+#define SIGXFSZ 25 /* File size limit exceeded. */
+#define SIGUSR1 30 /* User-defined signal 1. */
+#define SIGUSR2 31 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+/* No real-time signals are supported. */
+#define __SIGRTMIN 32
+#define __SIGRTMAX __SIGRTMIN
+
+#endif
diff --git a/sysdeps/unix/bsd/bits/signum.h b/sysdeps/unix/bsd/bits/signum.h
deleted file mode 100644
index a8d47af038..0000000000
--- a/sysdeps/unix/bsd/bits/signum.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Signal number definitions. BSD version.
- Copyright (C) 1991-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- 4.2 or 4.3 BSD-derived Unix systems. */
-
-#define SIGEMT 7 /* Emulator trap (4.2 BSD). */
-#define SIGINFO 29 /* Information request (4.4 BSD). */
-#define SIGLOST 32 /* Resource lost (Sun); server died (GNU). */
-
-#endif /* bits/signum.h. */
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h b/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h
new file mode 100644
index 0000000000..47200d7337
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/bits/signum-arch.h
@@ -0,0 +1,67 @@
+/* Signal number definitions. Linux/Alpha version.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Adjustments and additions to the signal number constants for
+ Linux/Alpha. Signal values on this platform were chosen for OSF/1
+ binary compatibility, and are therefore almost identical to the
+ BSD-derived defaults. */
+
+#define SIGEMT 7 /* Emulator trap (4.2 BSD). */
+#define SIGINFO 29 /* Information request (BSD). */
+#define SIGPWR SIGINFO /* Power failure imminent (System V). */
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 12 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 16 /* Urgent data is available at a socket. */
+#define SIGSTOP 17 /* Stop, unblockable. */
+#define SIGTSTP 18 /* Keyboard stop. */
+#define SIGCONT 19 /* Continue. */
+#define SIGCHLD 20 /* Child terminated or stopped. */
+#define SIGTTIN 21 /* Background read from control terminal. */
+#define SIGTTOU 22 /* Background write to control terminal. */
+#define SIGPOLL 23 /* Pollable event occurred (System V). */
+#define SIGXCPU 24 /* CPU time limit exceeded. */
+#define SIGVTALRM 26 /* Virtual timer expired. */
+#define SIGPROF 27 /* Profiling timer expired. */
+#define SIGXFSZ 25 /* File size limit exceeded. */
+#define SIGUSR1 30 /* User-defined signal 1. */
+#define SIGUSR2 31 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 28
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+#define __SIGRTMIN 32
+#define __SIGRTMAX 64
+
+#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/signum.h b/sysdeps/unix/sysv/linux/alpha/bits/signum.h
deleted file mode 100644
index 63add0e3db..0000000000
--- a/sysdeps/unix/sysv/linux/alpha/bits/signum.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* Signal number definitions. Linux/Alpha version.
- Copyright (C) 1996-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- Linux/Alpha. Signal values on this platform were chosen for OSF/1
- binary compatibility, and are therefore almost identical to the
- BSD-derived defaults. */
-
-#define SIGEMT 7 /* Emulator trap (4.2 BSD). */
-#define SIGINFO 29 /* Information request (BSD). */
-#define SIGPWR SIGINFO /* Power failure imminent (System V). */
-
-#undef __SIGRTMAX
-#define __SIGRTMAX 64
-
-#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/bits/signum-arch.h b/sysdeps/unix/sysv/linux/bits/signum-arch.h
new file mode 100644
index 0000000000..de5ee4af14
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/signum-arch.h
@@ -0,0 +1,64 @@
+/* Signal number definitions. Linux version.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Adjustments and additions to the signal number constants for
+ most Linux systems. */
+
+#define SIGSTKFLT 16 /* Stack fault (obsolete). */
+#define SIGPWR 30 /* Power failure imminent. */
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 7 /* Bus error. */
+#define SIGSYS 31 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 23 /* Urgent data is available at a socket. */
+#define SIGSTOP 19 /* Stop, unblockable. */
+#define SIGTSTP 20 /* Keyboard stop. */
+#define SIGCONT 18 /* Continue. */
+#define SIGCHLD 17 /* Child terminated or stopped. */
+#define SIGTTIN 21 /* Background read from control terminal. */
+#define SIGTTOU 22 /* Background write to control terminal. */
+#define SIGPOLL 29 /* Pollable event occurred (System V). */
+#define SIGXFSZ 25 /* File size limit exceeded. */
+#define SIGXCPU 24 /* CPU time limit exceeded. */
+#define SIGVTALRM 26 /* Virtual timer expired. */
+#define SIGPROF 27 /* Profiling timer expired. */
+#define SIGUSR1 10 /* User-defined signal 1. */
+#define SIGUSR2 12 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+#define __SIGRTMIN 32
+#define __SIGRTMAX 64
+
+#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/bits/signum.h b/sysdeps/unix/sysv/linux/bits/signum.h
deleted file mode 100644
index 423fd8be70..0000000000
--- a/sysdeps/unix/sysv/linux/bits/signum.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* Signal number definitions. Linux version.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- most Linux systems. */
-
-#define SIGSTKFLT 16 /* Stack fault (obsolete). */
-#define SIGPWR 30 /* Power failure imminent. */
-
-#undef SIGBUS
-#define SIGBUS 7
-#undef SIGUSR1
-#define SIGUSR1 10
-#undef SIGUSR2
-#define SIGUSR2 12
-#undef SIGCHLD
-#define SIGCHLD 17
-#undef SIGCONT
-#define SIGCONT 18
-#undef SIGSTOP
-#define SIGSTOP 19
-#undef SIGTSTP
-#define SIGTSTP 20
-#undef SIGURG
-#define SIGURG 23
-#undef SIGPOLL
-#define SIGPOLL 29
-#undef SIGSYS
-#define SIGSYS 31
-
-#undef __SIGRTMAX
-#define __SIGRTMAX 64
-
-#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/signum-arch.h b/sysdeps/unix/sysv/linux/hppa/bits/signum-arch.h
new file mode 100644
index 0000000000..364e57ec4a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/hppa/bits/signum-arch.h
@@ -0,0 +1,69 @@
+/* Signal number definitions. Linux/HPPA version.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Adjustments and additions to the signal number constants for
+ Linux/HPPA. These values were originally chosen for HP/UX
+ compatibility, but were renumbered as of kernel 3.17 and glibc 2.21
+ to accommodate software (notably systemd) that assumed at least 29
+ real-time signal numbers would be available. SIGEMT and SIGLOST
+ were removed, and the values of SIGSTKFLT, SIGXCPU, XIGXFSZ, and
+ SIGSYS were changed, enabling __SIGRTMIN to be 32. */
+
+#define SIGSTKFLT 7 /* Stack fault (obsolete). */
+#define SIGPWR 19 /* Power failure imminent. */
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 31 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 29 /* Urgent data is available at a socket. */
+#define SIGSTOP 24 /* Stop, unblockable. */
+#define SIGTSTP 25 /* Keyboard stop. */
+#define SIGCONT 26 /* Continue. */
+#define SIGCHLD 18 /* Child terminated or stopped. */
+#define SIGTTIN 27 /* Background read from control terminal. */
+#define SIGTTOU 28 /* Background write to control terminal. */
+#define SIGPOLL 22 /* Pollable event occurred (System V). */
+#define SIGXCPU 12 /* CPU time limit exceeded. */
+#define SIGVTALRM 20 /* Virtual timer expired. */
+#define SIGPROF 21 /* Profiling timer expired. */
+#define SIGXFSZ 30 /* File size limit exceeded. */
+#define SIGUSR1 16 /* User-defined signal 1. */
+#define SIGUSR2 17 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 23 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+#define __SIGRTMIN 32
+#define __SIGRTMAX 64
+
+#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/signum.h b/sysdeps/unix/sysv/linux/hppa/bits/signum.h
deleted file mode 100644
index 2210304e37..0000000000
--- a/sysdeps/unix/sysv/linux/hppa/bits/signum.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Signal number definitions. Linux/HPPA version.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- Linux/HPPA. These values were originally chosen for HP/UX
- compatibility, but were renumbered as of kernel 3.17 and glibc 2.21
- to accommodate software (notably systemd) that assumed at least 29
- real-time signal numbers would be available. SIGEMT and SIGLOST
- were removed, and the values of SIGSTKFLT, SIGXCPU, XIGXFSZ, and
- SIGSYS were changed, enabling __SIGRTMIN to be 32. */
-
-#define SIGSTKFLT 7 /* Stack fault (obsolete). */
-#define SIGPWR 19 /* Power failure imminent. */
-
-#undef SIGXCPU
-#define SIGXCPU 12
-#undef SIGUSR1
-#define SIGUSR1 16
-#undef SIGUSR2
-#define SIGUSR2 17
-#undef SIGCHLD
-#define SIGCHLD 18
-#undef SIGVTALRM
-#define SIGVTALRM 20
-#undef SIGPROF
-#define SIGPROF 21
-#undef SIGPOLL
-#define SIGPOLL 22
-#undef SIGWINCH
-#define SIGWINCH 23
-#undef SIGSTOP
-#define SIGSTOP 24
-#undef SIGTSTP
-#define SIGTSTP 25
-#undef SIGCONT
-#define SIGCONT 26
-#undef SIGTTIN
-#define SIGTTIN 27
-#undef SIGTTOU
-#define SIGTTOU 28
-#undef SIGURG
-#define SIGURG 29
-#undef SIGXFSZ
-#define SIGXFSZ 30
-#undef SIGSYS
-#define SIGSYS 31
-
-#undef __SIGRTMAX
-#define __SIGRTMAX 64
-
-#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/ia64/vfork.S b/sysdeps/unix/sysv/linux/ia64/vfork.S
index a8ceea8ea7..843bf7683c 100644
--- a/sysdeps/unix/sysv/linux/ia64/vfork.S
+++ b/sysdeps/unix/sysv/linux/ia64/vfork.S
@@ -18,7 +18,7 @@
#include
#define _SIGNAL_H
-#include
+#include
#include
/* The following are defined in linux/sched.h, which unfortunately */
diff --git a/sysdeps/unix/sysv/linux/mips/bits/signum-arch.h b/sysdeps/unix/sysv/linux/mips/bits/signum-arch.h
new file mode 100644
index 0000000000..c500d38322
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/bits/signum-arch.h
@@ -0,0 +1,65 @@
+/* Signal number definitions. Linux/MIPS version.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ . */
+
+#ifndef _BITS_SIGNUM_H
+#define _BITS_SIGNUM_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Adjustments and additions to the signal number constants for
+ Linux/MIPS. */
+
+#define SIGEMT 7 /* Emulator trap. */
+#define SIGPWR 19 /* Power failure imminent. */
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 12 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 21 /* Urgent data is available at a socket. */
+#define SIGSTOP 23 /* Stop, unblockable. */
+#define SIGTSTP 24 /* Keyboard stop. */
+#define SIGCONT 25 /* Continue. */
+#define SIGCHLD 18 /* Child terminated or stopped. */
+#define SIGTTIN 26 /* Background read from control terminal. */
+#define SIGTTOU 27 /* Background write to control terminal. */
+#define SIGPOLL 22 /* Pollable event occurred (System V). */
+#define SIGXCPU 30 /* CPU time limit exceeded. */
+#define SIGVTALRM 28 /* Virtual timer expired. */
+#define SIGPROF 29 /* Profiling timer expired. */
+#define SIGXFSZ 31 /* File size limit exceeded. */
+#define SIGUSR1 16 /* User-defined signal 1. */
+#define SIGUSR2 17 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+/* By default no real-time signals are supported. */
+#define __SIGRTMIN 32
+#define __SIGRTMAX 127
+
+#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/mips/bits/signum.h b/sysdeps/unix/sysv/linux/mips/bits/signum.h
deleted file mode 100644
index f5a5e7b4cd..0000000000
--- a/sysdeps/unix/sysv/linux/mips/bits/signum.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Signal number definitions. Linux/MIPS version.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- Linux/MIPS. */
-
-#define SIGEMT 7 /* Emulator trap. */
-#define SIGPWR 19 /* Power failure imminent. */
-
-#undef SIGUSR1
-#define SIGUSR1 16
-#undef SIGUSR2
-#define SIGUSR2 17
-#undef SIGCHLD
-#define SIGCHLD 18
-#undef SIGWINCH
-#define SIGWINCH 20
-#undef SIGURG
-#define SIGURG 21
-#undef SIGPOLL
-#define SIGPOLL 22
-#undef SIGSTOP
-#define SIGSTOP 23
-#undef SIGTSTP
-#define SIGTSTP 24
-#undef SIGCONT
-#define SIGCONT 25
-#undef SIGTTIN
-#define SIGTTIN 26
-#undef SIGTTOU
-#define SIGTTOU 27
-#undef SIGVTALRM
-#define SIGVTALRM 28
-#undef SIGPROF
-#define SIGPROF 29
-#undef SIGXCPU
-#define SIGXCPU 30
-#undef SIGXFSZ
-#define SIGXFSZ 31
-
-#undef __SIGRTMAX
-#define __SIGRTMAX 127
-
-#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/signum-arch.h b/sysdeps/unix/sysv/linux/sparc/bits/signum-arch.h
new file mode 100644
index 0000000000..0cece9a6c4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/bits/signum-arch.h
@@ -0,0 +1,66 @@
+/* Signal number definitions. Linux/SPARC version.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ . */
+
+#ifndef _BITS_SIGNUM_ARCH_H
+#define _BITS_SIGNUM_ARCH_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include directly; use instead."
+#endif
+
+/* Adjustments and additions to the signal number constants for
+ Linux/SPARC systems. Signal values on this platform were chosen
+ for SunOS binary compatibility. */
+
+#define SIGEMT 7 /* Emulator trap. */
+#define SIGLOST 29 /* Resource lost (Sun); server died (GNU). */
+#define SIGPWR SIGLOST /* Power failure imminent (SysV). */
+
+/* Historical signals specified by POSIX. */
+#define SIGBUS 10 /* Bus error. */
+#define SIGSYS 12 /* Bad system call. */
+
+/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
+#define SIGURG 16 /* Urgent data is available at a socket. */
+#define SIGSTOP 17 /* Stop, unblockable. */
+#define SIGTSTP 18 /* Keyboard stop. */
+#define SIGCONT 19 /* Continue. */
+#define SIGCHLD 20 /* Child terminated or stopped. */
+#define SIGTTIN 21 /* Background read from control terminal. */
+#define SIGTTOU 22 /* Background write to control terminal. */
+#define SIGPOLL 23 /* Pollable event occurred (System V). */
+#define SIGXCPU 24 /* CPU time limit exceeded. */
+#define SIGVTALRM 26 /* Virtual timer expired. */
+#define SIGPROF 27 /* Profiling timer expired. */
+#define SIGXFSZ 25 /* File size limit exceeded. */
+#define SIGUSR1 30 /* User-defined signal 1. */
+#define SIGUSR2 31 /* User-defined signal 2. */
+
+/* Nonstandard signals found in all modern POSIX systems
+ (including both BSD and Linux). */
+#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
+
+/* Archaic names for compatibility. */
+#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
+#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
+#define SIGCLD SIGCHLD /* Old System V name */
+
+#define __SIGRTMIN 32
+#define __SIGRTMAX 64
+
+#endif /* included. */
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/signum.h b/sysdeps/unix/sysv/linux/sparc/bits/signum.h
deleted file mode 100644
index 40fb39a435..0000000000
--- a/sysdeps/unix/sysv/linux/sparc/bits/signum.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Signal number definitions. Linux/SPARC version.
- Copyright (C) 1996-2020 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- . */
-
-#ifndef _BITS_SIGNUM_H
-#define _BITS_SIGNUM_H 1
-
-#ifndef _SIGNAL_H
-#error "Never include directly; use instead."
-#endif
-
-#include
-
-/* Adjustments and additions to the signal number constants for
- Linux/SPARC systems. Signal values on this platform were chosen
- for SunOS binary compatibility. */
-
-#define SIGEMT 7 /* Emulator trap. */
-#define SIGLOST 29 /* Resource lost (Sun); server died (GNU). */
-#define SIGPWR SIGLOST /* Power failure imminent (SysV). */
-
-#undef __SIGRTMAX
-#define __SIGRTMAX 64
-
-#endif /* included. */