diff options
Diffstat (limited to 'hurd')
| -rw-r--r-- | hurd/io.defs | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/hurd/io.defs b/hurd/io.defs index 6f51c2d6..422a9566 100644 --- a/hurd/io.defs +++ b/hurd/io.defs @@ -1,5 +1,5 @@ /* Definitions for generic IO interface - Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation + Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU Hurd. @@ -8,7 +8,7 @@ it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -The GNU Hurd is distributed in the hope that it will be useful, +The GNU Hurd 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. @@ -75,7 +75,7 @@ routine io_readable ( /* These four routines modify the O_APPEND, O_ASYNC, O_FSYNC, and O_NONBLOCK bits for the IO object. In addition, io_get_openmodes will tell you which of O_READ, O_WRITE, and O_EXEC the object can - be used for. The O_ASYNC bit affects icky async I/O; good async + be used for. The O_ASYNC bit affects icky async I/O; good async I/O is done through io_async which is orthogonal to these calls. */ routine io_set_all_openmodes ( io_object: io_t; @@ -158,8 +158,7 @@ routine io_select ( ureplyport reply: mach_port_make_send_t; #endif waittime timeout: natural_t; - inout select_type: int; - inout id_tag: int); /* Returned as passed. */ + inout select_type: int); /* Return the current status of the object. Not all the fields of the io_statuf_t are meaningful for all objects; however, the access and @@ -294,7 +293,7 @@ routine io_readnotify ( it upon return. */ routine io_readsleep ( io_object: io_t RPTLAST); - + /* The shared user has just done some IO, and a signal needs to be sent for async users. */ routine io_sigio ( @@ -307,3 +306,11 @@ routine io_pathconf ( RPT name: int; out value: int); + + +/* Return success iff TEST is an io port open on the same object as IO_OBJECT. + Otherwise return EINVAL. */ +routine io_verify_identity ( + io_object: io_t; + RPT + test: io_t); |