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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Copyright (C) 1991-2023 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 <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libintl.h>
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#include <tls-internal.h>
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/* Return a string describing the meaning of the signal number SIGNUM. */
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char *
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strsignal (int signum)
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{
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const char *desc = __sigdescr_np (signum);
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if (desc != NULL)
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return _(desc);
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struct tls_internal_t *tls_internal = __glibc_tls_internal ();
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free (tls_internal->strsignal_buf);
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int r;
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#ifdef SIGRTMIN
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if (signum >= SIGRTMIN && signum <= SIGRTMAX)
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r = __asprintf (&tls_internal->strsignal_buf, _("Real-time signal %d"),
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signum - SIGRTMIN);
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else
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#endif
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r = __asprintf (&tls_internal->strsignal_buf, _("Unknown signal %d"),
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signum);
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if (r == -1)
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tls_internal->strsignal_buf = NULL;
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return tls_internal->strsignal_buf;
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}
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