1 /* $OpenBSD: uthread_connect.c,v 1.5 2003/12/23 19:31:05 brad Exp $ */
2 /*
3 * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by John Birrell.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD: uthread_connect.c,v 1.6 1999/08/28 00:03:28 peter Exp $
34 */
35 #include <errno.h>
36 #include <sys/types.h>
37 #include <sys/socket.h>
38 #include <fcntl.h>
39 #ifdef _THREAD_SAFE
40 #include <pthread.h>
41 #include "pthread_private.h"
42
43 int
connect(int fd,const struct sockaddr * name,socklen_t namelen)44 connect(int fd, const struct sockaddr * name, socklen_t namelen)
45 {
46 struct pthread *curthread = _get_curthread();
47 struct sockaddr tmpname;
48 int errnolen, ret, tmpnamelen;
49
50 /* This is a cancellation point: */
51 _thread_enter_cancellation_point();
52
53 if ((ret = _FD_LOCK(fd, FD_RDWR, NULL)) == 0) {
54 if ((ret = _thread_sys_connect(fd, name, namelen)) < 0) {
55 if (!(_thread_fd_table[fd]->flags & O_NONBLOCK) &&
56 ((errno == EWOULDBLOCK) || (errno == EINPROGRESS) ||
57 (errno == EALREADY) || (errno == EAGAIN))) {
58 curthread->data.fd.fd = fd;
59
60 /* Set the timeout: */
61 _thread_kern_set_timeout(NULL);
62 _thread_kern_sched_state(PS_FDW_WAIT, __FILE__, __LINE__);
63
64 tmpnamelen = sizeof(tmpname);
65 /* 0 now lets see if it really worked */
66 if (((ret = _thread_sys_getpeername(fd, &tmpname, &tmpnamelen)) < 0) && (errno == ENOTCONN)) {
67
68 /*
69 * Get the error, this function
70 * should not fail
71 */
72 errnolen = sizeof(errno);
73 _thread_sys_getsockopt(fd, SOL_SOCKET, SO_ERROR, &errno, &errnolen);
74 }
75 } else {
76 ret = -1;
77 }
78 }
79 _FD_UNLOCK(fd, FD_RDWR);
80 }
81
82 /* No longer in a cancellation point: */
83 _thread_leave_cancellation_point();
84
85 return (ret);
86 }
87 #endif
88