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e4e11b1dba
It refactor how signals are defined by each architecture. Instead of include a generic header (bits/signum-generic.h) and undef non-default values in an arch specific header (bits/signum.h) the new scheme uses a common definition (bits/signum-generic.h) and each architectures add its specific definitions on a new header (bits/signum-arch.h). For Linux it requires copy some system default definitions to alpha, hppa, and sparc. They are historical values and newer ports uses the generic Linux signum-arch.h. For Hurd the BSD signum is removed and moved to a new header (it is used currently only on Hurd). Checked on a build against all affected ABIs. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/* Signal number constants. Specific architecture definitions.
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Copyright (C) 2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _BITS_SIGNUM_ARCH_H
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#define _BITS_SIGNUM_ARCH_H 1
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#ifndef _SIGNAL_H
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#error "Never include <bits/signum-generic.h> directly; use <signal.h> instead."
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#endif
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/* Historical signals specified by POSIX. */
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#define SIGBUS 10 /* Bus error. */
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#define SIGSYS 12 /* Bad system call. */
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/* New(er) POSIX signals (1003.1-2008, 1003.1-2013). */
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#define SIGURG 16 /* Urgent data is available at a socket. */
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#define SIGSTOP 17 /* Stop, unblockable. */
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#define SIGTSTP 18 /* Keyboard stop. */
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#define SIGCONT 19 /* Continue. */
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#define SIGCHLD 20 /* Child terminated or stopped. */
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#define SIGTTIN 21 /* Background read from control terminal. */
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#define SIGTTOU 22 /* Background write to control terminal. */
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#define SIGPOLL 23 /* Pollable event occurred (System V). */
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#define SIGXCPU 24 /* CPU time limit exceeded. */
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#define SIGVTALRM 26 /* Virtual timer expired. */
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#define SIGPROF 27 /* Profiling timer expired. */
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#define SIGXFSZ 25 /* File size limit exceeded. */
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#define SIGUSR1 30 /* User-defined signal 1. */
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#define SIGUSR2 31 /* User-defined signal 2. */
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/* Nonstandard signals found in all modern POSIX systems
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(including both BSD and Linux). */
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#define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
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/* Archaic names for compatibility. */
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#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
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#define SIGIOT SIGABRT /* IOT instruction, abort() on a PDP-11. */
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#define SIGCLD SIGCHLD /* Old System V name */
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/* By default no real-time signals are supported. */
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#define __SIGRTMIN 32
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#define __SIGRTMAX __SIGRTMIN
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#endif
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