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Diffstat (limited to 'sysdeps/mach/hurd/getpriority.c')
-rw-r--r-- | sysdeps/mach/hurd/getpriority.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/mach/hurd/getpriority.c b/sysdeps/mach/hurd/getpriority.c deleted file mode 100644 index 8bf464c1e1..0000000000 --- a/sysdeps/mach/hurd/getpriority.c +++ /dev/null @@ -1,85 +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 <limits.h> -#include <hurd.h> -#include <hurd/resource.h> - -/* Return the highest priority of any process specified by WHICH and WHO - (see <sys/resource.h>); if WHO is zero, the current process, process group, - or user (as specified by WHO) is used. A lower priority number means higher - priority. Priorities range from PRIO_MIN to PRIO_MAX. */ -int -__getpriority (enum __priority_which which, id_t who) -{ - error_t err, onerr; - int maxpri = INT_MIN; - struct procinfo *pip; /* Just for sizeof. */ - int pibuf[sizeof *pip + 2 * sizeof (pip->threadinfos[0])], *pi = pibuf; - size_t pisize = sizeof pibuf / sizeof pibuf[0]; - - error_t getonepriority (pid_t pid, struct procinfo *pip) - { - if (pip) - onerr = 0; - else - { - int *oldpi = pi; - size_t oldpisize = pisize; - char *tw = 0; - size_t twsz = 0; - int flags = PI_FETCH_TASKINFO; - onerr = __USEPORT (PROC, __proc_getprocinfo (port, pid, &flags, - &pi, &pisize, - &tw, &twsz)); - if (twsz) - __vm_deallocate (__mach_task_self (), (vm_address_t) tw, twsz); - 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; - } -#ifdef TASK_SCHED_TIMESHARE_INFO - if (!onerr && pip->timeshare_base_info.base_priority > maxpri) - maxpri = pip->timeshare_base_info.base_priority; -#else - if (!onerr && pip->taskinfo.base_priority > maxpri) - maxpri = pip->taskinfo.base_priority; -#endif - return 0; - } - - onerr = 0; - err = _hurd_priority_which_map (which, who, - getonepriority, PI_FETCH_TASKINFO); - - if (pi != pibuf) - __vm_deallocate (__mach_task_self (), - (vm_address_t) pi, pisize * sizeof pi[0]); - - if (!err && maxpri == INT_MIN) - /* No error, but no pids found. */ - err = onerr ?: ESRCH; - - if (err) - return __hurd_fail (err); - - return MACH_PRIORITY_TO_NICE (maxpri); -} -libc_hidden_def (__getpriority) -weak_alias (__getpriority, getpriority) |