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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Copyright (C) 2002-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <signal.h>
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#include <sysdep.h>
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#include <tls.h>
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int
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raise (int sig)
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{
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/* raise is an async-safe function. It could be called while the
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fork function temporarily invalidated the PID field. Adjust for
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that. */
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pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
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if (__glibc_unlikely (pid < 0))
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pid = -pid;
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return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
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sig);
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}
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