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/* Signal a condition. Generic version.
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Copyright (C) 2000 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <pt-internal.h>
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cond_signal (struct __pthread_cond *cond, int *unblocked)
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struct __pthread *wakeup;
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__pthread_spin_lock (&cond->__lock);
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wakeup = cond->__queue;
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__pthread_dequeue (wakeup);
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__pthread_spin_unlock (&cond->__lock);
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/* We found a thread waiting for the condition to be signalled.
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__pthread_wakeup (wakeup);
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/* Unblock at least one of the threads that are blocked on condition
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__pthread_cond_signal (pthread_cond_t *cond)
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return cond_signal (cond, &unblocked);
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strong_alias (__pthread_cond_signal, pthread_cond_signal);