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diff --git a/pthreads/src/pthread_cond_signal.c b/pthreads/src/pthread_cond_signal.c
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-/*
- * pthread_cond_signal.c
- *
- * Description:
- * This translation unit implements condition variables and their primitives.
- *
- *
- * --------------------------------------------------------------------------
- *
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.canberra.edu.au
- *
- * The current list of contributors is contained
- * in the file CONTRIBUTORS included with the source
- * code distribution. The list can also be seen at the
- * following World Wide Web location:
- * http://sources.redhat.com/pthreads-win32/contributors.html
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library in the file COPYING.LIB;
- * if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- *
- * -------------------------------------------------------------
- * Algorithm:
- * See the comments at the top of pthread_cond_wait.c.
- */
-
-#include "pthread.h"
-#include "implement.h"
-
-static INLINE int
-ptw32_cond_unblock (pthread_cond_t * cond, int unblockAll)
- /*
- * Notes.
- *
- * Does not use the external mutex for synchronisation,
- * therefore semBlockLock is needed.
- * mtxUnblockLock is for LEVEL-2 synch. LEVEL-2 is the
- * state where the external mutex is not necessarily locked by
- * any thread, ie. between cond_wait unlocking and re-acquiring
- * the lock after having been signaled or a timeout or
- * cancellation.
- *
- * Uses the following CV elements:
- * nWaitersBlocked
- * nWaitersToUnblock
- * nWaitersGone
- * mtxUnblockLock
- * semBlockLock
- * semBlockQueue
- */
-{
- int result;
- pthread_cond_t cv;
- int nSignalsToIssue;
-
- if (cond == NULL || *cond == NULL)
- {
- return EINVAL;
- }
-
- cv = *cond;
-
- /*
- * No-op if the CV is static and hasn't been initialised yet.
- * Assuming that any race condition is harmless.
- */
- if (cv == PTHREAD_COND_INITIALIZER)
- {
- return 0;
- }
-
- if ((result = pthread_mutex_lock (&(cv->mtxUnblockLock))) != 0)
- {
- return result;
- }
-
- if (0 != cv->nWaitersToUnblock)
- {
- if (0 == cv->nWaitersBlocked)
- {
- return pthread_mutex_unlock (&(cv->mtxUnblockLock));
- }
- if (unblockAll)
- {
- cv->nWaitersToUnblock += (nSignalsToIssue = cv->nWaitersBlocked);
- cv->nWaitersBlocked = 0;
- }
- else
- {
- nSignalsToIssue = 1;
- cv->nWaitersToUnblock++;
- cv->nWaitersBlocked--;
- }
- }
- else if (cv->nWaitersBlocked > cv->nWaitersGone)
- {
- /* Use the non-cancellable version of sem_wait() */
- if (ptw32_semwait (&(cv->semBlockLock)) != 0)
- {
- result = errno;
- (void) pthread_mutex_unlock (&(cv->mtxUnblockLock));
- return result;
- }
- if (0 != cv->nWaitersGone)
- {
- cv->nWaitersBlocked -= cv->nWaitersGone;
- cv->nWaitersGone = 0;
- }
- if (unblockAll)
- {
- nSignalsToIssue = cv->nWaitersToUnblock = cv->nWaitersBlocked;
- cv->nWaitersBlocked = 0;
- }
- else
- {
- nSignalsToIssue = cv->nWaitersToUnblock = 1;
- cv->nWaitersBlocked--;
- }
- }
- else
- {
- return pthread_mutex_unlock (&(cv->mtxUnblockLock));
- }
-
- if ((result = pthread_mutex_unlock (&(cv->mtxUnblockLock))) == 0)
- {
- if (sem_post_multiple (&(cv->semBlockQueue), nSignalsToIssue) != 0)
- {
- result = errno;
- }
- }
-
- return result;
-
-} /* ptw32_cond_unblock */
-
-int
-pthread_cond_signal (pthread_cond_t * cond)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function signals a condition variable, waking
- * one waiting thread.
- * If SCHED_FIFO or SCHED_RR policy threads are waiting
- * the highest priority waiter is awakened; otherwise,
- * an unspecified waiter is awakened.
- *
- * PARAMETERS
- * cond
- * pointer to an instance of pthread_cond_t
- *
- *
- * DESCRIPTION
- * This function signals a condition variable, waking
- * one waiting thread.
- * If SCHED_FIFO or SCHED_RR policy threads are waiting
- * the highest priority waiter is awakened; otherwise,
- * an unspecified waiter is awakened.
- *
- * NOTES:
- *
- * 1) Use when any waiter can respond and only one need
- * respond (all waiters being equal).
- *
- * RESULTS
- * 0 successfully signaled condition,
- * EINVAL 'cond' is invalid,
- *
- * ------------------------------------------------------
- */
-{
- /*
- * The '0'(FALSE) unblockAll arg means unblock ONE waiter.
- */
- return (ptw32_cond_unblock (cond, 0));
-
-} /* pthread_cond_signal */
-
-int
-pthread_cond_broadcast (pthread_cond_t * cond)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function broadcasts the condition variable,
- * waking all current waiters.
- *
- * PARAMETERS
- * cond
- * pointer to an instance of pthread_cond_t
- *
- *
- * DESCRIPTION
- * This function signals a condition variable, waking
- * all waiting threads.
- *
- * NOTES:
- *
- * 1) Use when more than one waiter may respond to
- * predicate change or if any waiting thread may
- * not be able to respond
- *
- * RESULTS
- * 0 successfully signalled condition to all
- * waiting threads,
- * EINVAL 'cond' is invalid
- * ENOSPC a required resource has been exhausted,
- *
- * ------------------------------------------------------
- */
-{
- /*
- * The TRUE unblockAll arg means unblock ALL waiters.
- */
- return (ptw32_cond_unblock (cond, PTW32_TRUE));
-
-} /* pthread_cond_broadcast */