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 | |