From f3ab456a17af1c89a6e3be4d20c5944853df1cb0 Mon Sep 17 00:00:00 2001
From: "David M. Lee" <dlee@digium.com>
Date: Mon, 7 Jan 2013 14:24:28 -0600
Subject: Import pjproject-2.0.1

---
 pjlib/src/pj/sock_select.c | 113 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 pjlib/src/pj/sock_select.c

(limited to 'pjlib/src/pj/sock_select.c')

diff --git a/pjlib/src/pj/sock_select.c b/pjlib/src/pj/sock_select.c
new file mode 100644
index 0000000..2b930a3
--- /dev/null
+++ b/pjlib/src/pj/sock_select.c
@@ -0,0 +1,113 @@
+/* $Id: sock_select.c 3553 2011-05-05 06:14:19Z nanang $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#include <pj/sock_select.h>
+#include <pj/compat/socket.h>
+#include <pj/os.h>
+#include <pj/assert.h>
+#include <pj/errno.h>
+
+#if defined(PJ_HAS_STRING_H) && PJ_HAS_STRING_H!=0
+#   include <string.h>
+#endif
+
+#if defined(PJ_HAS_SYS_TIME_H) && PJ_HAS_SYS_TIME_H!=0
+#   include <sys/time.h>
+#endif
+
+#ifdef _MSC_VER
+#   pragma warning(disable: 4018)    // Signed/unsigned mismatch in FD_*
+#   pragma warning(disable: 4389)    // Signed/unsigned mismatch in FD_*
+#endif
+
+#define PART_FDSET(ps)		((fd_set*)&ps->data[1])
+#define PART_FDSET_OR_NULL(ps)	(ps ? PART_FDSET(ps) : NULL)
+#define PART_COUNT(ps)		(ps->data[0])
+
+PJ_DEF(void) PJ_FD_ZERO(pj_fd_set_t *fdsetp)
+{
+    PJ_CHECK_STACK();
+    pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
+
+    FD_ZERO(PART_FDSET(fdsetp));
+    PART_COUNT(fdsetp) = 0;
+}
+
+
+PJ_DEF(void) PJ_FD_SET(pj_sock_t fd, pj_fd_set_t *fdsetp)
+{
+    PJ_CHECK_STACK();
+    pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
+
+    if (!PJ_FD_ISSET(fd, fdsetp))
+        ++PART_COUNT(fdsetp);
+    FD_SET(fd, PART_FDSET(fdsetp));
+}
+
+
+PJ_DEF(void) PJ_FD_CLR(pj_sock_t fd, pj_fd_set_t *fdsetp)
+{
+    PJ_CHECK_STACK();
+    pj_assert(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set));
+
+    if (PJ_FD_ISSET(fd, fdsetp))
+        --PART_COUNT(fdsetp);
+    FD_CLR(fd, PART_FDSET(fdsetp));
+}
+
+
+PJ_DEF(pj_bool_t) PJ_FD_ISSET(pj_sock_t fd, const pj_fd_set_t *fdsetp)
+{
+    PJ_CHECK_STACK();
+    PJ_ASSERT_RETURN(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set),
+                     0);
+
+    return FD_ISSET(fd, PART_FDSET(fdsetp));
+}
+
+PJ_DEF(pj_size_t) PJ_FD_COUNT(const pj_fd_set_t *fdsetp)
+{
+    return PART_COUNT(fdsetp);
+}
+
+PJ_DEF(int) pj_sock_select( int n, 
+			    pj_fd_set_t *readfds, 
+			    pj_fd_set_t *writefds,
+			    pj_fd_set_t *exceptfds, 
+			    const pj_time_val *timeout)
+{
+    struct timeval os_timeout, *p_os_timeout;
+
+    PJ_CHECK_STACK();
+
+    PJ_ASSERT_RETURN(sizeof(pj_fd_set_t)-sizeof(pj_sock_t) >= sizeof(fd_set),
+                     PJ_EBUG);
+
+    if (timeout) {
+	os_timeout.tv_sec = timeout->sec;
+	os_timeout.tv_usec = timeout->msec * 1000;
+	p_os_timeout = &os_timeout;
+    } else {
+	p_os_timeout = NULL;
+    }
+
+    return select(n, PART_FDSET_OR_NULL(readfds), PART_FDSET_OR_NULL(writefds),
+		  PART_FDSET_OR_NULL(exceptfds), p_os_timeout);
+}
+
-- 
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