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/* Print information about a port, with the name translated between tasks
Copyright (C) 1996, 1999 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This program is free software; you can redistribute it and/or
modify 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.
This program 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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/types.h>
#include <sys/mman.h>
#include "portinfo.h"
/* Prints info about NAME translated through X to STREAM, in a way described
by the flags in SHOW. If TYPE is non-zero, it should be what
mach_port_type returns for NAME in X->to_task. */
error_t
print_xlated_port_info (mach_port_t name, mach_port_type_t type,
struct port_name_xlator *x,
unsigned show, FILE *stream)
{
mach_port_t old_name = name;
error_t err = port_name_xlator_xlate (x, name, type, &name, &type);
if (! err)
{
fprintf (stream, (show & PORTINFO_HEX_NAMES) ? "%#6zx => " : "%6zd => ",
old_name);
err = print_port_info (name, type, x->to_task, show, stream);
}
return err;
}
/* Prints info about every port common to both tasks in X, but only if the
port in X->from_task has a type in ONLY, to STREAM. */
error_t
print_xlated_task_ports_info (struct port_name_xlator *x,
mach_port_type_t only,
unsigned show, FILE *stream)
{
mach_port_t *names = 0;
mach_port_type_t *types = 0;
mach_msg_type_number_t names_len = 0, types_len = 0, i;
error_t err =
mach_port_names (x->from_task, &names, &names_len, &types, &types_len);
if (err)
return err;
for (i = 0; i < names_len; i++)
if (types[i] & only)
print_xlated_port_info (names[i], types[i], x, show, stream);
munmap ((caddr_t) names, names_len * sizeof *names);
munmap ((caddr_t) types, types_len * sizeof *types);
return 0;
}
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