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04b261bdc1
The tgkill function is sometimes used in crash handlers. <bits/signal_ext.h> follows the same approach as <bits/unistd_ext.h> (which was added for the gettid system call wrapper). Reviewed-by: Carlos O'Donell <carlos@redhat.com>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* System-specific extensions of <signal.h>, Linux version.
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Copyright (C) 2019 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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<http://www.gnu.org/licenses/>. */
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#ifndef _SIGNAL_H
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# error "Never include <bits/signal_ext.h> directly; use <signal.h> instead."
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#endif
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#ifdef __USE_GNU
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/* Send SIGNAL to the thread TID in the thread group (process)
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identified by TGID. This function behaves like kill, but also
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fails with ESRCH if the specified TID does not belong to the
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specified thread group. */
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extern int tgkill (__pid_t __tgid, __pid_t __tid, int __signal);
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#endif /* __USE_GNU */
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