Add wrapper for kqueue() to keep track of the allocated fd and allow it to
be closed. This fixes a file descriptor leak when closing a kqueue() fd. Reviewed by: deischen MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=118019
@ -77,6 +77,7 @@ SRCS+= \
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uthread_join.c \
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uthread_kern.c \
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uthread_kevent.c \
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uthread_kqueue.c \
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uthread_kill.c \
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uthread_listen.c \
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uthread_main_np.c \
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53
lib/libc_r/uthread/uthread_kqueue.c
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53
lib/libc_r/uthread/uthread_kqueue.c
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@ -0,0 +1,53 @@
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/*
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* Copyright (c) 2003 Mark Peek <mp@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/event.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <pthread.h>
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#include "pthread_private.h"
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__weak_reference(_kqueue, kqueue);
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int
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_kqueue(void)
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{
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int fd;
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/* Create a kqueue: */
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if ((fd = __sys_kqueue()) < 0) {
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/* Error creating socket. */
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/* Initialise the entry in the file descriptor table: */
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} else if (_thread_fd_table_init(fd) != 0) {
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__sys_close(fd);
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fd = -1;
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}
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return (fd);
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}
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