New upstream version 18.0.1+dfsg1
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1337 changed files with 41178 additions and 84670 deletions
117
deps/w32-pthreads/pthread_attr_init.c
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117
deps/w32-pthreads/pthread_attr_init.c
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/*
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* pthread_attr_init.c
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*
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* Description:
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* This translation unit implements operations on thread attribute objects.
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*
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* --------------------------------------------------------------------------
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*
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* Pthreads-win32 - POSIX Threads Library for Win32
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* Copyright(C) 1998 John E. Bossom
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* Copyright(C) 1999,2005 Pthreads-win32 contributors
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*
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* Contact Email: rpj@callisto.canberra.edu.au
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*
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* The current list of contributors is contained
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* in the file CONTRIBUTORS included with the source
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* code distribution. The list can also be seen at the
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* following World Wide Web location:
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* http://sources.redhat.com/pthreads-win32/contributors.html
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*
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* This 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 of the License, or (at your option) any later version.
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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING.LIB;
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* if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "pthread.h"
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#include "implement.h"
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int
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pthread_attr_init (pthread_attr_t * attr)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* Initializes a thread attributes object with default
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* attributes.
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*
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* PARAMETERS
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* attr
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* pointer to an instance of pthread_attr_t
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*
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*
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* DESCRIPTION
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* Initializes a thread attributes object with default
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* attributes.
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*
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* NOTES:
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* 1) Used to define thread attributes
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*
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* RESULTS
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* 0 successfully initialized attr,
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* ENOMEM insufficient memory for attr.
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*
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* ------------------------------------------------------
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*/
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{
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pthread_attr_t attr_result;
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if (attr == NULL)
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{
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/* This is disallowed. */
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return EINVAL;
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}
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attr_result = (pthread_attr_t) malloc (sizeof (*attr_result));
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if (attr_result == NULL)
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{
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return ENOMEM;
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}
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#if defined(_POSIX_THREAD_ATTR_STACKSIZE)
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/*
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* Default to zero size. Unless changed explicitly this
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* will allow Win32 to set the size to that of the
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* main thread.
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*/
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attr_result->stacksize = 0;
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#endif
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#if defined(_POSIX_THREAD_ATTR_STACKADDR)
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/* FIXME: Set this to something sensible when we support it. */
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attr_result->stackaddr = NULL;
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#endif
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attr_result->detachstate = PTHREAD_CREATE_JOINABLE;
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#if defined(HAVE_SIGSET_T)
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memset (&(attr_result->sigmask), 0, sizeof (sigset_t));
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#endif /* HAVE_SIGSET_T */
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/*
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* Win32 sets new threads to THREAD_PRIORITY_NORMAL and
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* not to that of the parent thread. We choose to default to
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* this arrangement.
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*/
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attr_result->param.sched_priority = THREAD_PRIORITY_NORMAL;
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attr_result->inheritsched = PTHREAD_EXPLICIT_SCHED;
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attr_result->contentionscope = PTHREAD_SCOPE_SYSTEM;
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attr_result->valid = PTW32_ATTR_VALID;
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*attr = attr_result;
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return 0;
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}
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