1 /* Resource limits for the Hurd. 2 Copyright (C) 1994-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _HURD_RESOURCE_H 20 #define _HURD_RESOURCE_H 21 22 #include <sys/types.h> 23 #include <sys/resource.h> 24 #include <errno.h> 25 #include <bits/types/error_t.h> 26 #include <hurd/process.h> 27 28 /* This array contains the current resource limits for the process. */ 29 extern struct rlimit _hurd_rlimits[RLIM_NLIMITS]; 30 extern struct mutex _hurd_rlimit_lock; /* Locks _hurd_rlimits. */ 31 32 33 /* Helper function for getpriority and setpriority. Maps FN over all the 34 processes specified by WHICH and WHO. PI is non-null if a 35 proc_getprocinfo was already done; FN may use *PI arbitrarily, it is 36 reset on the next call; PI_FLAGS is passed to proc_getprocinfo. Returns 37 FN's result the first time it returns nonzero. If FN never returns 38 nonzero, this returns zero. */ 39 extern error_t _hurd_priority_which_map (enum __priority_which which, int who, 40 error_t (*fn) (pid_t pid, 41 struct procinfo *pi), 42 int pi_flags); 43 44 /* Convert between Mach priority values and the priority 45 values used by getpriority, setpriority, and nice. */ 46 #define MACH_PRIORITY_TO_NICE(prio) ((prio) - 25) 47 #define NICE_TO_MACH_PRIORITY(nice) ((nice) + 25) 48 49 50 51 52 #endif 53