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/* Copyright (C) 1991-2024 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
<https://www.gnu.org/licenses/>. */
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#include <tls-internal.h>
/* Return a string describing the meaning of the signal number SIGNUM. */
char *
strsignal (int signum)
{
const char *desc = __sigdescr_np (signum);
if (desc != NULL)
return _(desc);
struct tls_internal_t *tls_internal = __glibc_tls_internal ();
free (tls_internal->strsignal_buf);
int r;
#ifdef SIGRTMIN
if (signum >= SIGRTMIN && signum <= SIGRTMAX)
r = __asprintf (&tls_internal->strsignal_buf, _("Real-time signal %d"),
signum - SIGRTMIN);
else
#endif
r = __asprintf (&tls_internal->strsignal_buf, _("Unknown signal %d"),
signum);
if (r == -1)
tls_internal->strsignal_buf = NULL;
return tls_internal->strsignal_buf;
}
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