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. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/types.h>
33 #include <sys/socket.h>
36 #include "pthread_private.h"
38 __weak_reference(__sendto, sendto);
41 _sendto(int fd, const void *msg, size_t len, int flags, const struct
42 sockaddr * to, socklen_t to_len)
44 struct pthread *curthread = _get_curthread();
47 if ((ret = _FD_LOCK(fd, FD_WRITE, NULL)) == 0) {
48 while ((ret = __sys_sendto(fd, msg, len, flags, to, to_len)) < 0) {
49 if (((_thread_fd_getflags(fd) & O_NONBLOCK) == 0)
50 && ((errno == EWOULDBLOCK) || (errno == EAGAIN))) {
51 curthread->data.fd.fd = fd;
53 /* Set the timeout: */
54 _thread_kern_set_timeout(NULL);
55 curthread->interrupted = 0;
56 _thread_kern_sched_state(PS_FDW_WAIT, __FILE__, __LINE__);
58 /* Check if the operation was interrupted: */
59 if (curthread->interrupted) {
69 _FD_UNLOCK(fd, FD_WRITE);
75 __sendto(int fd, const void *msg, size_t len, int flags, const struct
76 sockaddr * to, socklen_t to_len)
80 _thread_enter_cancellation_point();
81 ret = _sendto(fd, msg, len, flags, to, to_len);
82 _thread_leave_cancellation_point();