| thr_join.c (113658) | thr_join.c (113661) |
|---|---|
| 1/* 2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * | 1/* 2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * |
| 32 * $FreeBSD: head/lib/libkse/thread/thr_join.c 113658 2003-04-18 05:04:16Z deischen $ | 32 * $FreeBSD: head/lib/libkse/thread/thr_join.c 113661 2003-04-18 07:09:43Z deischen $ |
| 33 */ 34#include <errno.h> 35#include <pthread.h> 36#include "thr_private.h" 37 38__weak_reference(_pthread_join, pthread_join); 39 40int 41_pthread_join(pthread_t pthread, void **thread_return) 42{ | 33 */ 34#include <errno.h> 35#include <pthread.h> 36#include "thr_private.h" 37 38__weak_reference(_pthread_join, pthread_join); 39 40int 41_pthread_join(pthread_t pthread, void **thread_return) 42{ |
| 43 struct pthread *curthread = _get_curthread(); 44 int ret = 0; | 43 struct pthread *curthread = _get_curthread(); 44 kse_critical_t crit; 45 int ret = 0; |
| 45 46 _thr_enter_cancellation_point(curthread); 47 48 /* Check if the caller has specified an invalid thread: */ 49 if (pthread == NULL || pthread->magic != THR_MAGIC) { 50 /* Invalid thread: */ 51 _thr_leave_cancellation_point(curthread); 52 return (EINVAL); --- 25 unchanged lines hidden (view full) --- 78 /* Lock the target thread while checking its state. */ 79 THR_SCHED_LOCK(curthread, pthread); 80 if ((pthread->state == PS_DEAD) || 81 ((pthread->flags & THR_FLAGS_EXITING) != 0)) { 82 if (thread_return != NULL) 83 /* Return the thread's return value: */ 84 *thread_return = pthread->ret; 85 | 46 47 _thr_enter_cancellation_point(curthread); 48 49 /* Check if the caller has specified an invalid thread: */ 50 if (pthread == NULL || pthread->magic != THR_MAGIC) { 51 /* Invalid thread: */ 52 _thr_leave_cancellation_point(curthread); 53 return (EINVAL); --- 25 unchanged lines hidden (view full) --- 79 /* Lock the target thread while checking its state. */ 80 THR_SCHED_LOCK(curthread, pthread); 81 if ((pthread->state == PS_DEAD) || 82 ((pthread->flags & THR_FLAGS_EXITING) != 0)) { 83 if (thread_return != NULL) 84 /* Return the thread's return value: */ 85 *thread_return = pthread->ret; 86 |
| 86 /* Unlock the thread and remove the reference. */ | 87 /* Detach the thread. */ 88 pthread->attr.flags |= PTHREAD_DETACHED; 89 90 /* Unlock the thread. */ |
| 87 THR_SCHED_UNLOCK(curthread, pthread); | 91 THR_SCHED_UNLOCK(curthread, pthread); |
| 92 93 /* 94 * Remove the thread from the list of active 95 * threads and add it to the GC list. 96 */ 97 crit = _kse_critical_enter(); 98 KSE_LOCK_ACQUIRE(curthread->kse, &_thread_list_lock); 99 THR_LIST_REMOVE(pthread); 100 THR_GCLIST_ADD(pthread); 101 KSE_LOCK_RELEASE(curthread->kse, &_thread_list_lock); 102 _kse_critical_leave(crit); 103 104 /* Remove the reference. */ |
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| 88 _thr_ref_delete(curthread, pthread); 89 } 90 else if (pthread->joiner != NULL) { 91 /* Unlock the thread and remove the reference. */ 92 THR_SCHED_UNLOCK(curthread, pthread); 93 _thr_ref_delete(curthread, pthread); 94 95 /* Multiple joiners are not supported. */ --- 37 unchanged lines hidden --- | 105 _thr_ref_delete(curthread, pthread); 106 } 107 else if (pthread->joiner != NULL) { 108 /* Unlock the thread and remove the reference. */ 109 THR_SCHED_UNLOCK(curthread, pthread); 110 _thr_ref_delete(curthread, pthread); 111 112 /* Multiple joiners are not supported. */ --- 37 unchanged lines hidden --- |