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New upstream version 18.0.1+dfsg1

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Sebastian Ramacher 2017-04-19 21:54:15 +02:00
parent 6efda2859e
commit f2cf6cce50
1337 changed files with 41178 additions and 84670 deletions
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141
deps/w32-pthreads/pthread_self.c vendored
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@ -1,141 +0,0 @@
/*
* pthread_self.c
*
* Description:
* This translation unit implements miscellaneous thread functions.
*
* --------------------------------------------------------------------------
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "pthread.h"
#include "implement.h"
pthread_t
pthread_self (void)
/*
* ------------------------------------------------------
* DOCPUBLIC
* This function returns a reference to the current running
* thread.
*
* PARAMETERS
* N/A
*
*
* DESCRIPTION
* This function returns a reference to the current running
* thread.
*
* RESULTS
* pthread_t reference to the current thread
*
* ------------------------------------------------------
*/
{
pthread_t self;
pthread_t nil = {NULL, 0};
ptw32_thread_t * sp;
#if defined(_UWIN)
if (!ptw32_selfThreadKey)
return nil;
#endif
sp = (ptw32_thread_t *) pthread_getspecific (ptw32_selfThreadKey);
if (sp != NULL)
{
self = sp->ptHandle;
}
else
{
/*
* Need to create an implicit 'self' for the currently
* executing thread.
*/
self = ptw32_new ();
sp = (ptw32_thread_t *) self.p;
if (sp != NULL)
{
/*
* This is a non-POSIX thread which has chosen to call
* a POSIX threads function for some reason. We assume that
* it isn't joinable, but we do assume that it's
* (deferred) cancelable.
*/
sp->implicit = 1;
sp->detachState = PTHREAD_CREATE_DETACHED;
sp->thread = GetCurrentThreadId ();
#if defined(NEED_DUPLICATEHANDLE)
/*
* DuplicateHandle does not exist on WinCE.
*
* NOTE:
* GetCurrentThread only returns a pseudo-handle
* which is only valid in the current thread context.
* Therefore, you should not pass the handle to
* other threads for whatever purpose.
*/
sp->threadH = GetCurrentThread ();
#else
if (!DuplicateHandle (GetCurrentProcess (),
GetCurrentThread (),
GetCurrentProcess (),
&sp->threadH,
0, FALSE, DUPLICATE_SAME_ACCESS))
{
/*
* Should not do this, but we have no alternative if
* we can't get a Win32 thread handle.
* Thread structs are never freed.
*/
ptw32_threadReusePush (self);
/*
* As this is a win32 thread calling us and we have failed,
* return a value that makes sense to win32.
*/
return nil;
}
#endif
/*
* No need to explicitly serialise access to sched_priority
* because the new handle is not yet public.
*/
sp->sched_priority = GetThreadPriority (sp->threadH);
pthread_setspecific (ptw32_selfThreadKey, (void *) sp);
}
}
return (self);
} /* pthread_self */