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The sigabbrev_np returns the abbreviated signal name (e.g. "HUP" for SIGHUP) while sigdescr_np returns the string describing the error number (e.g "Hangup" for SIGHUP). Different than strsignal, sigdescr_np does not attempt to translate the return description and both functions return NULL for an invalid signal number. They should be used instead of sys_siglist or sys_sigabbrev and they are both thread and async-signal safe. They are added as GNU extensions on string.h header (same as strsignal). Checked on x86-64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, and s390x-linux-gnu. Tested-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Define list of all signal numbers and their names.
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Copyright (C) 1997-2020 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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#include <stddef.h>
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#include <signal.h>
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#include <libintl.h>
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const char *const __sys_siglist[NSIG] =
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{
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#define init_sig(sig, abbrev, desc) [sig] = desc,
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#include <siglist.h>
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#undef init_sig
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};
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libc_hidden_def (__sys_siglist)
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const char *const __sys_sigabbrev[NSIG] =
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{
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#define init_sig(sig, abbrev, desc) [sig] = abbrev,
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#include <siglist.h>
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#undef init_sig
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};
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libc_hidden_def (__sys_sigabbrev)
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#include <siglist-compat.c>
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