3 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
4 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <pj/sock_select.h>
21 #include <pj/compat/socket.h>
23 #include <pj/assert.h>
26 #if defined(PJ_HAS_STRING_H) && PJ_HAS_STRING_H!=0
30 #if defined(PJ_HAS_SYS_TIME_H) && PJ_HAS_SYS_TIME_H!=0
31 # include <sys/time.h>
35 # pragma warning(disable: 4018) // Signed/unsigned mismatch in FD_*
36 # pragma warning(disable: 4389) // Signed/unsigned mismatch in FD_*
39 #define PART_FDSET(ps) ((fd_set*)&ps->data[1])
40 #define PART_FDSET_OR_NULL(ps) (ps ? PART_FDSET(ps) : NULL)
41 #define PART_COUNT(ps) (ps->data[0])
43 PJ_DEF(void) PJ_FD_ZERO(pj_fd_set_t *fdsetp)
46 pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
48 FD_ZERO(PART_FDSET(fdsetp));
49 PART_COUNT(fdsetp) = 0;
53 PJ_DEF(void) PJ_FD_SET(pj_sock_t fd, pj_fd_set_t *fdsetp)
56 pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
58 if (!PJ_FD_ISSET(fd, fdsetp))
60 FD_SET(fd, PART_FDSET(fdsetp));
64 PJ_DEF(void) PJ_FD_CLR(pj_sock_t fd, pj_fd_set_t *fdsetp)
67 pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
69 if (PJ_FD_ISSET(fd, fdsetp))
71 FD_CLR(fd, PART_FDSET(fdsetp));
75 PJ_DEF(pj_bool_t) PJ_FD_ISSET(pj_sock_t fd, const pj_fd_set_t *fdsetp)
78 PJ_ASSERT_RETURN(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set),
81 return FD_ISSET(fd, PART_FDSET(fdsetp));
84 PJ_DEF(pj_size_t) PJ_FD_COUNT(const pj_fd_set_t *fdsetp)
86 return PART_COUNT(fdsetp);
89 PJ_DEF(int) pj_sock_select( int n,
91 pj_fd_set_t *writefds,
92 pj_fd_set_t *exceptfds,
93 const pj_time_val *timeout)
95 struct timeval os_timeout, *p_os_timeout;
99 PJ_ASSERT_RETURN(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set),
103 os_timeout.tv_sec = timeout->sec;
104 os_timeout.tv_usec = timeout->msec * 1000;
105 p_os_timeout = &os_timeout;
110 return select(n, PART_FDSET_OR_NULL(readfds), PART_FDSET_OR_NULL(writefds),
111 PART_FDSET_OR_NULL(exceptfds), p_os_timeout);