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Diffstat (limited to 'pjlib/src/pj/sock_select.c')
-rw-r--r--pjlib/src/pj/sock_select.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/pjlib/src/pj/sock_select.c b/pjlib/src/pj/sock_select.c
new file mode 100644
index 00000000..49fa0116
--- /dev/null
+++ b/pjlib/src/pj/sock_select.c
@@ -0,0 +1,101 @@
+/* $Header: /pjproject-0.3/pjlib/src/pj/sock_select.c 4 10/14/05 12:26a Bennylp $ */
+/* $Log: /pjproject-0.3/pjlib/src/pj/sock_select.c $
+ *
+ * 4 10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ *
+ * 3 9/21/05 1:39p Bennylp
+ * Periodic checkin for backup.
+ *
+ * 2 9/17/05 10:37a Bennylp
+ * Major reorganization towards version 0.3.
+ *
+ * 1 9/15/05 8:40p Bennylp
+ * Created.
+ */
+#include <pj/sock_select.h>
+#include <pj/compat/socket.h>
+#include <pj/os.h>
+#include <pj/assert.h>
+#include <pj/errno.h>
+
+
+#ifdef _MSC_VER
+# pragma warning(disable: 4018) // Signed/unsigned mismatch in FD_*
+#endif
+
+#define PART_FDSET(p_fdsetp) ((fd_set*)&p_fdsetp->data[1])
+#define PART_COUNT(p_fdsetp) (p_fdsetp->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(readfds), PART_FDSET(writefds),
+ PART_FDSET(exceptfds), p_os_timeout);
+}
+