mirror of https://github.com/dzavalishin/oskit/
107 lines
2.7 KiB
C
Executable File
107 lines
2.7 KiB
C
Executable File
/*
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* Copyright (c) 1996-2001 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Destroy a thread.
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*/
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#include <threads/pthread_internal.h>
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#include <threads/pthread_ipc.h>
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/*
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* Thread destroy hook.
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*/
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static oskit_pthread_destroy_hook_t threads_destroy_hook;
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/*
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* Internal routine.
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*/
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void
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pthread_destroy_internal(pthread_thread_t *pthread)
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{
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pthread_t tid = pthread->tid;
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int rc;
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assert_preemption_disabled();
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/* Call the thread destroy hook. */
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if (threads_destroy_hook) {
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(*threads_destroy_hook)(pthread->tid);
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}
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/*
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* The main thread is mostly statically allocated, so just
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* release the tid but leave everything else alone.
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*/
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if (pthread == &threads_mainthread) {
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threads_tidtothread[(int) tid] = 0;
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return;
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}
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/* machine dependent destroy */
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thread_destroy(pthread);
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/*
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* Callout for memory deallocator.
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*/
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if (pthread->pstk && (! (pthread->flags & THREAD_USERSTACK)))
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threads_deallocator(pthread->pstk);
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#ifdef CPU_INHERIT
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if (pthread->scheduler) {
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schedmsg_t msg;
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msg.type = MSG_SCHED_EXITED;
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msg.tid = pthread->tid;
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pthread_sched_message_send(pthread->scheduler, &msg);
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}
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#endif
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oskit_timer_release(pthread->condtimer);
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oskit_timer_release(pthread->sleeptimer);
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rc = pthread_cond_destroy(&pthread->cond);
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assert(rc == 0);
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rc = pthread_mutex_destroy(&pthread->mutex);
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assert(rc == 0);
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#ifdef THREAD_STATS
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{
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extern void save_thread_stats(pthread_thread_t *pthread);
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save_thread_stats(pthread);
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}
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#endif
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threads_deallocator(pthread);
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/*
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* Release the TID.
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*/
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threads_tidtothread[(int) tid] = 0;
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}
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/*
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* Install the thread destroy hook. Only one hook can be set.
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* Returns previous hook function.
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*/
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oskit_pthread_destroy_hook_t
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oskit_pthread_destroy_hook_set(oskit_pthread_destroy_hook_t hook)
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{
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oskit_pthread_destroy_hook_t ohook = threads_destroy_hook;
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threads_destroy_hook = hook;
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return ohook;
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}
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