diff options
| author | Roland McGrath <roland@gnu.org> | 1995-01-16 22:34:21 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-01-16 22:34:21 +0000 |
| commit | dbe0932cb94bb5a11702b0d7f423b3d0f04f8ff6 (patch) | |
| tree | 271b824e465a590d3af6a6e4298b399714865fd9 /hurd | |
| parent | 781e1bb2a1b19e0d51396774129f4a35dba534b0 (diff) | |
(io_select): Remove RETURN_PORT arg; make ID_TAG inout.
Diffstat (limited to 'hurd')
| -rw-r--r-- | hurd/io.defs | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/hurd/io.defs b/hurd/io.defs index d8a13839..093b424d 100644 --- a/hurd/io.defs +++ b/hurd/io.defs @@ -1,5 +1,5 @@ /* Definitions for generic IO interface - Copyright (C) 1991, 1993, 1994 Free Software Foundation + Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation This file is part of the GNU Hurd. @@ -144,18 +144,16 @@ routine io_get_icky_async_id ( RPT out icky_async_id_port: mach_port_send_t); -/* Select_type is the or of SELECT_READ, SELECT_WRITE, and SELECT_URG. - If any of the requested types of IO are immediately possible, the - appropriate types are set in SELECT_RESULT, and RETURN_PORT is - destroyed. If IO is not immediately possible, SELECT_RESULT is zero, - and an io_select_done call (see msg.defs) will be sent to RETURN_PORT - when IO becomes possible. RETURN_PORT should be a send-once right. */ +/* SELECT_TYPE is the bitwise OR of SELECT_READ, SELECT_WRITE, and SELECT_URG. + Block until one of the indicated types of i/o can be done "quickly". + ID_TAG is returned as passed; it is just for the convenience of the user in + matching up reply messages with specific requests it sent. */ +/* INTR */ routine io_select ( io_object: io_t; RPT select_type: int; - return_port: mach_port_poly_t; - id_tag: int; + inout id_tag: int; /* Returned as passed. */ out select_result: int); /* Return the current status of the object. Not all the fields of the |