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Diffstat (limited to 'sysdeps/mach/hurd/setpriority.c')
-rw-r--r-- | sysdeps/mach/hurd/setpriority.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/sysdeps/mach/hurd/setpriority.c b/sysdeps/mach/hurd/setpriority.c deleted file mode 100644 index 86992a1f6a..0000000000 --- a/sysdeps/mach/hurd/setpriority.c +++ /dev/null @@ -1,98 +0,0 @@ -/* Copyright (C) 1994-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <hurd.h> -#include <hurd/resource.h> - -/* Set the priority of all processes specified by WHICH and WHO - to PRIO. Returns 0 on success, -1 on errors. */ -int -__setpriority (enum __priority_which which, id_t who, int prio) -{ - error_t err; - error_t pidloser, priloser; - unsigned int npids, ntasks, nwin, nperm, nacces; - - error_t setonepriority (pid_t pid, struct procinfo *pi) - { - task_t task; - error_t piderr = __USEPORT (PROC, __proc_pid2task (port, pid, &task)); - if (piderr == EPERM) - ++nperm; - if (piderr != ESRCH) - { - ++npids; - if (piderr && piderr != EPERM) - pidloser = piderr; - } - if (! piderr) - { - error_t prierr; - ++ntasks; -#ifdef POLICY_TIMESHARE_BASE_COUNT - { - /* XXX This assumes timeshare policy. */ - struct policy_timeshare_base base - = { NICE_TO_MACH_PRIORITY (prio) }; - prierr = __task_policy (task, POLICY_TIMESHARE, - (policy_base_t) &base, - POLICY_TIMESHARE_BASE_COUNT, - 0, 1); - } -#else - prierr = __task_priority (task, NICE_TO_MACH_PRIORITY (prio), 1); -#endif - __mach_port_deallocate (__mach_task_self (), task); - switch (prierr) - { - case KERN_FAILURE: - ++nacces; - break; - case KERN_SUCCESS: - ++nwin; - break; - case KERN_INVALID_ARGUMENT: /* Task died. */ - --npids; - --ntasks; - break; - default: - priloser = prierr; - } - } - return 0; - } - - npids = ntasks = nwin = nperm = nacces = 0; - pidloser = priloser = 0; - err = _hurd_priority_which_map (which, who, setonepriority, 0); - - if (!err && npids == 0) - /* No error, but no pids found. */ - err = ESRCH; - else if (nperm == npids) - /* Got EPERM from proc_task2pid for every process. */ - err = EPERM; - else if (nacces == ntasks) - /* Got KERN_FAILURE from task_priority for every task. */ - err = EACCES; - else if (nwin == 0) - err = pidloser ?: priloser; - - return err ? __hurd_fail (err) : 0; -} -libc_hidden_def (__setpriority) -weak_alias (__setpriority, setpriority) |