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106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*
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* pthread_kill.c
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*
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* Description:
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* This translation unit implements the pthread_kill routine.
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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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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include "pthread.h"
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#include "implement.h"
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/*
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* Not needed yet, but defining it should indicate clashes with build target
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* environment that should be fixed.
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*/
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#if !defined(WINCE)
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# include <signal.h>
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#endif
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int
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pthread_kill (pthread_t thread, int sig)
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/*
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* ------------------------------------------------------
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* DOCPUBLIC
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* This function requests that a signal be delivered to the
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* specified thread. If sig is zero, error checking is
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* performed but no signal is actually sent such that this
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* function can be used to check for a valid thread ID.
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*
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* PARAMETERS
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* thread reference to an instances of pthread_t
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* sig signal. Currently only a value of 0 is supported.
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*
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*
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* DESCRIPTION
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* This function requests that a signal be delivered to the
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* specified thread. If sig is zero, error checking is
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* performed but no signal is actually sent such that this
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* function can be used to check for a valid thread ID.
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*
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* RESULTS
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* ESRCH the thread is not a valid thread ID,
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* EINVAL the value of the signal is invalid
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* or unsupported.
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* 0 the signal was successfully sent.
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*
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* ------------------------------------------------------
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*/
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{
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int result = 0;
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ptw32_thread_t * tp;
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ptw32_mcs_local_node_t node;
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ptw32_mcs_lock_acquire(&ptw32_thread_reuse_lock, &node);
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tp = (ptw32_thread_t *) thread.p;
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if (NULL == tp
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|| thread.x != tp->ptHandle.x
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|| NULL == tp->threadH)
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{
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result = ESRCH;
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}
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ptw32_mcs_lock_release(&node);
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if (0 == result && 0 != sig)
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{
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/*
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* Currently does not support any signals.
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*/
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result = EINVAL;
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}
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return result;
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} /* pthread_kill */
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