1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

use crate::process::{Pid, Uid};
use crate::{imp, io};

/// `nice()`—Adjust the scheduling priority of the current process.
///
/// # References
///  - [POSIX]
///  - [Linux]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/nice.html
/// [Linux]: https://man7.org/linux/man-pages/man2/nice.2.html
#[inline]
pub fn nice(inc: i32) -> io::Result<i32> {
    imp::syscalls::nice(inc)
}

/// `getpriority(PRIO_USER, uid)`—Get the scheduling priority of the given
/// user.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/getpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "getpriority")]
pub fn getpriority_user(uid: Uid) -> io::Result<i32> {
    imp::syscalls::getpriority_user(uid)
}

/// `getpriority(PRIO_PGRP, gid)`—Get the scheduling priority of the given
/// process group.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/getpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "getpriority")]
pub fn getpriority_pgrp(pgid: Pid) -> io::Result<i32> {
    imp::syscalls::getpriority_pgrp(pgid)
}

/// `getpriority(PRIO_PROCESS, pid)`—Get the scheduling priority of the given
/// process.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/getpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "getpriority")]
pub fn getpriority_process(pid: Pid) -> io::Result<i32> {
    imp::syscalls::getpriority_process(pid)
}

/// `setpriority(PRIO_USER, uid)`—Get the scheduling priority of the given
/// user.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/setpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "setpriority")]
pub fn setpriority_user(uid: Uid, priority: i32) -> io::Result<()> {
    imp::syscalls::setpriority_user(uid, priority)
}

/// `setpriority(PRIO_PGRP, pgid)`—Get the scheduling priority of the given
/// process group.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/setpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "setpriority")]
pub fn setpriority_pgrp(pgid: Pid, priority: i32) -> io::Result<()> {
    imp::syscalls::setpriority_pgrp(pgid, priority)
}

/// `setpriority(PRIO_PROCESS, pid)`—Get the scheduling priority of the given
/// process.
///
/// # References
///  - [POSIX]
///  - [Linux]
///  - [Apple]
///
/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setpriority.html
/// [Linux]: https://man7.org/linux/man-pages/man2/setpriority.2.html
/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setpriority.2.html
#[cfg(not(target_os = "redox"))]
#[inline]
#[doc(alias = "setpriority")]
pub fn setpriority_process(pid: Pid, priority: i32) -> io::Result<()> {
    imp::syscalls::setpriority_process(pid, priority)
}