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04277e02d7
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42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* Copyright (C) 1997-2019 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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#include <errno.h>
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#include <signal.h>
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#include <string.h>
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#include <sysdep-cancel.h>
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int
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__sigtimedwait (const sigset_t *set, siginfo_t *info,
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const struct timespec *timeout)
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{
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/* XXX The size argument hopefully will have to be changed to the
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real size of the user-level sigset_t. */
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int result = SYSCALL_CANCEL (rt_sigtimedwait, set, info, timeout, _NSIG / 8);
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/* The kernel generates a SI_TKILL code in si_code in case tkill is
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used. tkill is transparently used in raise(). Since having
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SI_TKILL as a code is useful in general we fold the results
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here. */
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if (result != -1 && info != NULL && info->si_code == SI_TKILL)
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info->si_code = SI_USER;
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return result;
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}
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libc_hidden_def (__sigtimedwait)
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weak_alias (__sigtimedwait, sigtimedwait)
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