[ Backpatch to 7.3.X.]

SSL_read/write can error needing ERROR_WANT_READ or ERROR_WANT_WRITE.

src/backend/libpq/be-secure.c

@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/libpq/be-secure.c,v 1.27 2003/03/29 03:56:44 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/libpq/be-secure.c,v 1.28 2003/03/29 05:00:15 momjian Exp $
  *
  *	  Since the server static private key ($DataDir/server.key)
  *	  will normally be stored unencrypted so that the database
@@ -285,6 +285,9 @@ secure_read(Port *port, void *ptr, size_t len)
 			case SSL_ERROR_WANT_READ:
 				n = secure_read(port, ptr, len);
 				break;
+			case SSL_ERROR_WANT_WRITE:
+				n = secure_write(port, ptr, len);
+				break;
 			case SSL_ERROR_SYSCALL:
 				if (n == -1)
 					elog(COMMERROR, "SSL SYSCALL error: %s", strerror(errno));
@@ -337,6 +340,9 @@ secure_write(Port *port, void *ptr, size_t len)
 			case SSL_ERROR_NONE:
 				port->count += n;
 				break;
+			case SSL_ERROR_WANT_READ:
+				n = secure_read(port, ptr, len);
+				break;
 			case SSL_ERROR_WANT_WRITE:
 				n = secure_write(port, ptr, len);
 				break;