mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
1e9dc0393c
* stdio/vfscanf.c (%n): Use READ_IN - 1, so as not to count the read-ahead character. * hurd/dtable.c, hurd/getdport.c, hurd/hurd.h, hurd/hurdexec.c, hurd/hurdinit.c, hurd/hurdprio.c, hurd/hurdsock.c, hurd/ports-get.c, hurd/ports-set.c, hurd/setauth.c, hurd/setuids.c, sysdeps/mach/hurd/i386/trampoline.c: Get anal with unsigned to pacify compiler.
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* Support code for dealing with priorities in the Hurd.
|
|
Copyright (C) 1994 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <hurd/resource.h>
|
|
#include <hurd.h>
|
|
|
|
error_t
|
|
_hurd_priority_which_map (enum __priority_which which, int who,
|
|
error_t (*function) (pid_t, struct procinfo *))
|
|
{
|
|
mach_msg_type_number_t npids = 64, i;
|
|
pid_t pidbuf[npids], *pids;
|
|
error_t err;
|
|
struct procinfo *pip;
|
|
int pibuf[sizeof *pip + 5 * sizeof (pip->threadinfos[0])], *pi = pibuf;
|
|
mach_msg_type_number_t pisize = sizeof (pibuf) / sizeof (int);
|
|
|
|
switch (which)
|
|
{
|
|
case PRIO_PROCESS:
|
|
npids = 1;
|
|
pids[0] = who;
|
|
err = 0;
|
|
break;
|
|
|
|
case PRIO_PGRP:
|
|
err = __USEPORT (PROC, __proc_getpgrppids (port, who, &pids, &npids));
|
|
break;
|
|
|
|
case PRIO_USER:
|
|
err = __USEPORT (PROC, __proc_getallpids (port, &pids, &npids));
|
|
break;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
for (i = 0; !err && i < npids; ++i)
|
|
{
|
|
if (which == PRIO_USER)
|
|
{
|
|
/* Get procinfo to check the owner. */
|
|
int *oldpi = pi;
|
|
mach_msg_type_number_t oldpisize = pisize;
|
|
if (err = __USEPORT (PROC, __proc_getprocinfo (port, pids[i],
|
|
&pi, &pisize)))
|
|
continue;
|
|
if (pi != oldpi && oldpi != pibuf)
|
|
/* Old buffer from last call was not reused; free it. */
|
|
__vm_deallocate (__mach_task_self (),
|
|
(vm_address_t) oldpi, oldpisize * sizeof pi[0]);
|
|
|
|
pip = (struct procinfo *) pi;
|
|
if (pip->owner != (uid_t) who)
|
|
continue;
|
|
}
|
|
else
|
|
pip = NULL;
|
|
|
|
err = (*function) (pids[i], pip);
|
|
}
|
|
|
|
if (pids != pidbuf)
|
|
__vm_deallocate (__mach_task_self (),
|
|
(vm_address_t) pids, npids * sizeof pids[0]);
|
|
if (pi != pibuf)
|
|
__vm_deallocate (__mach_task_self (),
|
|
(vm_address_t) pi, pisize * sizeof pi[0]);
|
|
|
|
return err;
|
|
}
|