From aaa4964a2277a1e265da4e7b91d5b1e3c3faa84e Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 17 Jan 2011 18:27:35 +0000 Subject: cvs update pthreads --- pthreads/pthread_key_create.c | 216 +++++++++++++++++++++--------------------- 1 file changed, 108 insertions(+), 108 deletions(-) (limited to 'pthreads/pthread_key_create.c') diff --git a/pthreads/pthread_key_create.c b/pthreads/pthread_key_create.c index 5e278c2ca..9ffa03010 100644 --- a/pthreads/pthread_key_create.c +++ b/pthreads/pthread_key_create.c @@ -1,108 +1,108 @@ -/* - * pthread_key_create.c - * - * Description: - * POSIX thread functions which implement thread-specific data (TSD). - * - * -------------------------------------------------------------------------- - * - * 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" - - -/* TLS_OUT_OF_INDEXES not defined on WinCE */ -#ifndef TLS_OUT_OF_INDEXES -#define TLS_OUT_OF_INDEXES 0xffffffff -#endif - -int -pthread_key_create (pthread_key_t * key, void (*destructor) (void *)) - /* - * ------------------------------------------------------ - * DOCPUBLIC - * This function creates a thread-specific data key visible - * to all threads. All existing and new threads have a value - * NULL for key until set using pthread_setspecific. When any - * thread with a non-NULL value for key terminates, 'destructor' - * is called with key's current value for that thread. - * - * PARAMETERS - * key - * pointer to an instance of pthread_key_t - * - * - * DESCRIPTION - * This function creates a thread-specific data key visible - * to all threads. All existing and new threads have a value - * NULL for key until set using pthread_setspecific. When any - * thread with a non-NULL value for key terminates, 'destructor' - * is called with key's current value for that thread. - * - * RESULTS - * 0 successfully created semaphore, - * EAGAIN insufficient resources or PTHREAD_KEYS_MAX - * exceeded, - * ENOMEM insufficient memory to create the key, - * - * ------------------------------------------------------ - */ -{ - int result = 0; - pthread_key_t newkey; - - if ((newkey = (pthread_key_t) calloc (1, sizeof (*newkey))) == NULL) - { - result = ENOMEM; - } - else if ((newkey->key = TlsAlloc ()) == TLS_OUT_OF_INDEXES) - { - result = EAGAIN; - - free (newkey); - newkey = NULL; - } - else if (destructor != NULL) - { - /* - * Have to manage associations between thread and key; - * Therefore, need a lock that allows multiple threads - * to gain exclusive access to the key->threads list. - * - * The mutex will only be created when it is first locked. - */ - newkey->keyLock = PTHREAD_MUTEX_INITIALIZER; - newkey->destructor = destructor; - } - - *key = newkey; - - return (result); -} +/* + * pthread_key_create.c + * + * Description: + * POSIX thread functions which implement thread-specific data (TSD). + * + * -------------------------------------------------------------------------- + * + * 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" + + +/* TLS_OUT_OF_INDEXES not defined on WinCE */ +#ifndef TLS_OUT_OF_INDEXES +#define TLS_OUT_OF_INDEXES 0xffffffff +#endif + +int +pthread_key_create (pthread_key_t * key, void (*destructor) (void *)) + /* + * ------------------------------------------------------ + * DOCPUBLIC + * This function creates a thread-specific data key visible + * to all threads. All existing and new threads have a value + * NULL for key until set using pthread_setspecific. When any + * thread with a non-NULL value for key terminates, 'destructor' + * is called with key's current value for that thread. + * + * PARAMETERS + * key + * pointer to an instance of pthread_key_t + * + * + * DESCRIPTION + * This function creates a thread-specific data key visible + * to all threads. All existing and new threads have a value + * NULL for key until set using pthread_setspecific. When any + * thread with a non-NULL value for key terminates, 'destructor' + * is called with key's current value for that thread. + * + * RESULTS + * 0 successfully created semaphore, + * EAGAIN insufficient resources or PTHREAD_KEYS_MAX + * exceeded, + * ENOMEM insufficient memory to create the key, + * + * ------------------------------------------------------ + */ +{ + int result = 0; + pthread_key_t newkey; + + if ((newkey = (pthread_key_t) calloc (1, sizeof (*newkey))) == NULL) + { + result = ENOMEM; + } + else if ((newkey->key = TlsAlloc ()) == TLS_OUT_OF_INDEXES) + { + result = EAGAIN; + + free (newkey); + newkey = NULL; + } + else if (destructor != NULL) + { + /* + * Have to manage associations between thread and key; + * Therefore, need a lock that allows competing threads + * to gain exclusive access to the key->threads list. + * + * The mutex will only be created when it is first locked. + */ + newkey->keyLock = PTHREAD_MUTEX_INITIALIZER; + newkey->destructor = destructor; + } + + *key = newkey; + + return (result); +} -- cgit v1.2.3