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
35 #include <sys/types.h>
36 #include <sys/socket.h>
39 #include "pthread_private.h"
41 __weak_reference(__sendto, sendto);
44 _sendto(int fd, const void *msg, size_t len, int flags, const struct
45 sockaddr * to, socklen_t to_len)
47 struct pthread *curthread = _get_curthread();
50 if ((ret = _FD_LOCK(fd, FD_WRITE, NULL)) == 0) {
51 while ((ret = __sys_sendto(fd, msg, len, flags, to, to_len)) < 0) {
52 if (((_thread_fd_getflags(fd) & O_NONBLOCK) == 0)
53 && ((errno == EWOULDBLOCK) || (errno == EAGAIN))) {
54 curthread->data.fd.fd = fd;
56 /* Set the timeout: */
57 _thread_kern_set_timeout(NULL);
58 curthread->interrupted = 0;
59 _thread_kern_sched_state(PS_FDW_WAIT, __FILE__, __LINE__);
61 /* Check if the operation was interrupted: */
62 if (curthread->interrupted) {
72 _FD_UNLOCK(fd, FD_WRITE);
78 __sendto(int fd, const void *msg, size_t len, int flags, const struct
79 sockaddr * to, socklen_t to_len)
83 _thread_enter_cancellation_point();
84 ret = _sendto(fd, msg, len, flags, to, to_len);
85 _thread_leave_cancellation_point();