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Diffstat (limited to 'lib/libpthread/thread/thr_join.c')
| -rw-r--r-- | lib/libpthread/thread/thr_join.c | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/lib/libpthread/thread/thr_join.c b/lib/libpthread/thread/thr_join.c deleted file mode 100644 index 1cffc96eaea3..000000000000 --- a/lib/libpthread/thread/thr_join.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by John Birrell. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ -#include <errno.h> -#ifdef _THREAD_SAFE -#include <pthread.h> -#include "pthread_private.h" - -int -pthread_join(pthread_t pthread, void **thread_return) -{ - int ret = 0; - pthread_t pthread1 = NULL; - - _thread_enter_cancellation_point(); - - /* Check if the caller has specified an invalid thread: */ - if (pthread == NULL || pthread->magic != PTHREAD_MAGIC) { - /* Invalid thread: */ - _thread_leave_cancellation_point(); - return(EINVAL); - } - - /* Check if the caller has specified itself: */ - if (pthread == _thread_run) { - /* Avoid a deadlock condition: */ - _thread_leave_cancellation_point(); - return(EDEADLK); - } - - /* - * Find the thread in the list of active threads or in the - * list of dead threads: - */ - if (_find_thread(pthread) == 0 || - _find_dead_thread(pthread) == 0) - pthread1 = pthread; - - if (pthread1 == NULL) - /* Return an error: */ - ret = ESRCH; - - /* Check if this thread has been detached: */ - else if ((pthread->attr.flags & PTHREAD_DETACHED) != 0) - /* Return an error: */ - ret = ESRCH; - - /* Check if the thread is not dead: */ - else if (pthread->state != PS_DEAD) { - /* Clear the interrupted flag: */ - _thread_run->interrupted = 0; - - /* - * Protect against being context switched out while - * adding this thread to the join queue. - */ - _thread_kern_sig_defer(); - - /* Add the running thread to the join queue: */ - TAILQ_INSERT_TAIL(&(pthread->join_queue), _thread_run, qe); - - /* Schedule the next thread: */ - _thread_kern_sched_state(PS_JOIN, __FILE__, __LINE__); - - if (_thread_run->interrupted != 0) - TAILQ_REMOVE(&(pthread->join_queue), _thread_run, qe); - - _thread_kern_sig_undefer(); - - if (_thread_run->interrupted != 0 && - _thread_run->continuation != NULL) - _thread_run->continuation(_thread_run); - - /* Check if the thread is not detached: */ - if ((pthread->attr.flags & PTHREAD_DETACHED) == 0) { - /* Check if the return value is required: */ - if (thread_return) - /* Return the thread's return value: */ - *thread_return = pthread->ret; - } - else - /* Return an error: */ - ret = ESRCH; - - /* Check if the return value is required: */ - } else if (thread_return != NULL) - /* Return the thread's return value: */ - *thread_return = pthread->ret; - - _thread_leave_cancellation_point(); - - /* Return the completion status: */ - return (ret); -} -#endif |