2 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by John Birrell.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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
32 * $FreeBSD: src/lib/libc_r/uthread/uthread_sendto.c,v 1.9.2.5 2003/01/17 07:56:43 ru Exp $
33 * $DragonFly: src/lib/libc_r/uthread/uthread_sendto.c,v 1.2 2003/06/17 04:26:48 dillon Exp $
36 #include <sys/types.h>
37 #include <sys/socket.h>
40 #include "pthread_private.h"
43 _sendto(int fd
, const void *msg
, size_t len
, int flags
, const struct
44 sockaddr
* to
, socklen_t to_len
)
46 struct pthread
*curthread
= _get_curthread();
49 if ((ret
= _FD_LOCK(fd
, FD_WRITE
, NULL
)) == 0) {
50 while ((ret
= __sys_sendto(fd
, msg
, len
, flags
, to
, to_len
)) < 0) {
51 if (((_thread_fd_getflags(fd
) & O_NONBLOCK
) == 0)
52 && ((errno
== EWOULDBLOCK
) || (errno
== EAGAIN
))) {
53 curthread
->data
.fd
.fd
= fd
;
55 /* Set the timeout: */
56 _thread_kern_set_timeout(NULL
);
57 curthread
->interrupted
= 0;
58 _thread_kern_sched_state(PS_FDW_WAIT
, __FILE__
, __LINE__
);
60 /* Check if the operation was interrupted: */
61 if (curthread
->interrupted
) {
71 _FD_UNLOCK(fd
, FD_WRITE
);
77 sendto(int fd
, const void *msg
, size_t len
, int flags
, const struct
78 sockaddr
* to
, socklen_t to_len
)
82 _thread_enter_cancellation_point();
83 ret
= _sendto(fd
, msg
, len
, flags
, to
, to_len
);
84 _thread_leave_cancellation_point();