* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*
- * $Id: comstack.h,v 1.2 2000-02-28 11:20:06 adam Exp $
+ * $Id: comstack.h,v 1.3 2000-11-23 10:58:32 adam Exp $
*/
#ifndef COMSTACK_H
struct comstack;
typedef struct comstack *COMSTACK;
-typedef COMSTACK (*CS_TYPE)(int s, int blocking, int protocol);
+typedef COMSTACK (*CS_TYPE)(int s, int blocking, int protocol, void *vp);
struct comstack
{
#define CS_INCON 2
#define CS_OUTCON 3
#define CS_DATAXFER 4
+#define CS_ACCEPT 5
+#define CS_CONNECT 6
int newfd; /* storing new descriptor between listen and accept */
int blocking; /* is this link (supposed to be) blocking? */
+ unsigned io_pending; /* flag to signal read / write op is incomplete */
int event; /* current event */
#define CS_NONE 0
-#define CS_CONNECT 1
+#define CS_CONNECTING 1
#define CS_DISCON 2
#define CS_LISTEN 3
#define CS_DATA 4
#define cs_listen_check(handle, ap, al, cf, cd) ((*(handle)->f_listen)(handle, ap, al, cf, cd))
#define cs_accept(handle) ((*(handle)->f_accept)(handle))
#define cs_close(handle) ((*(handle)->f_close)(handle))
-#define cs_create(type, blocking, proto) ((*type)(-1, blocking, proto))
+#define cs_create(type, blocking, proto) ((*type)(-1, blocking, proto, 0))
#define cs_createbysocket(sock, type, blocking, proto) \
- ((*type)(sock, blocking, proto))
+ ((*type)(sock, blocking, proto, 0))
#define cs_type(handle) ((handle)->type)
#define cs_fileno(handle) ((handle)->iofile)
#define cs_stackerr(handle) ((handle)->stackerr)
#define cs_getproto(handle) ((handle)->protocol)
#define cs_addrstr(handle) ((*(handle)->f_addrstr)(handle))
#define cs_straddr(handle, str) ((*(handle)->f_straddr)(handle, str))
+#define cs_want_read(handle) ((handle)->io_pending & CS_WANT_READ)
+#define cs_want_write(handle) ((handle)->io_pending & CS_WANT_WRITE)
+#define CS_WANT_READ 1
+#define CS_WANT_WRITE 2
YAZ_EXPORT const char *cs_strerror(COMSTACK h);
YAZ_EXPORT const char *cs_errmsg(int n);