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ptw32_processInitialize.c
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ptw32_processInitialize.c
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/*
* ptw32_processInitialize.c
*
* Description:
* This translation unit implements routines which are private to
* the implementation and may be used throughout it.
*
* --------------------------------------------------------------------------
*
* 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
*/
#include "pthread.h"
#include "implement.h"
int
ptw32_processInitialize (void)
/*
* ------------------------------------------------------
* DOCPRIVATE
* This function performs process wide initialization for
* the pthread library.
*
* PARAMETERS
* N/A
*
* DESCRIPTION
* This function performs process wide initialization for
* the pthread library.
* If successful, this routine sets the global variable
* ptw32_processInitialized to TRUE.
*
* RESULTS
* TRUE if successful,
* FALSE otherwise
*
* ------------------------------------------------------
*/
{
if (ptw32_processInitialized)
{
/*
* Ignore if already initialized. this is useful for
* programs that uses a non-dll pthread
* library. Such programs must call ptw32_processInitialize() explicitly,
* since this initialization routine is automatically called only when
* the dll is loaded.
*/
return PTW32_TRUE;
}
ptw32_processInitialized = PTW32_TRUE;
/*
* Initialize Keys
*/
if ((pthread_key_create (&ptw32_selfThreadKey, NULL) != 0) ||
(pthread_key_create (&ptw32_cleanupKey, NULL) != 0))
{
ptw32_processTerminate ();
}
/*
* Set up the global locks.
*/
InitializeCriticalSection (&ptw32_thread_reuse_lock);
InitializeCriticalSection (&ptw32_mutex_test_init_lock);
InitializeCriticalSection (&ptw32_cond_list_lock);
InitializeCriticalSection (&ptw32_cond_test_init_lock);
InitializeCriticalSection (&ptw32_rwlock_test_init_lock);
InitializeCriticalSection (&ptw32_spinlock_test_init_lock);
InitializeCriticalSection (&ptw32_once_event_lock);
return (ptw32_processInitialized);
} /* processInitialize */