1 #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
2 use crate::backend::c;
3
4 /// A command for use with [`membarrier`] and [`membarrier_cpu`].
5 ///
6 /// For `MEMBARRIER_CMD_QUERY`, see [`membarrier_query`].
7 ///
8 /// [`membarrier`]: crate::process::membarrier
9 /// [`membarrier_cpu`]: crate::process::membarrier_cpu
10 /// [`membarrier_query`]: crate::process::membarrier_query
11 #[cfg(linux_kernel)]
12 #[derive(Copy, Clone, Eq, PartialEq, Debug)]
13 #[repr(u32)]
14 pub enum MembarrierCommand {
15 /// `MEMBARRIER_CMD_GLOBAL`
16 #[doc(alias = "Shared")]
17 #[doc(alias = "MEMBARRIER_CMD_SHARED")]
18 Global = c::MEMBARRIER_CMD_GLOBAL as u32,
19 /// `MEMBARRIER_CMD_GLOBAL_EXPEDITED`
20 GlobalExpedited = c::MEMBARRIER_CMD_GLOBAL_EXPEDITED as u32,
21 /// `MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED`
22 RegisterGlobalExpedited = c::MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED as u32,
23 /// `MEMBARRIER_CMD_PRIVATE_EXPEDITED`
24 PrivateExpedited = c::MEMBARRIER_CMD_PRIVATE_EXPEDITED as u32,
25 /// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED`
26 RegisterPrivateExpedited = c::MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED as u32,
27 /// `MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE`
28 PrivateExpeditedSyncCore = c::MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE as u32,
29 /// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE`
30 RegisterPrivateExpeditedSyncCore =
31 c::MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE as u32,
32 /// `MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ` (since Linux 5.10)
33 PrivateExpeditedRseq = c::MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ as u32,
34 /// `MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ` (since Linux 5.10)
35 RegisterPrivateExpeditedRseq = c::MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_RSEQ as u32,
36 }
37
38 /// A resource value for use with [`getrlimit`], [`setrlimit`], and
39 /// [`prlimit`].
40 ///
41 /// [`getrlimit`]: crate::process::getrlimit
42 /// [`setrlimit`]: crate::process::setrlimit
43 /// [`prlimit`]: crate::process::prlimit
44 #[cfg(not(any(
45 target_os = "espidf",
46 target_os = "fuchsia",
47 target_os = "redox",
48 target_os = "vita",
49 target_os = "wasi"
50 )))]
51 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
52 #[cfg_attr(not(target_os = "l4re"), repr(u32))]
53 #[cfg_attr(target_os = "l4re", repr(u64))]
54 pub enum Resource {
55 /// `RLIMIT_CPU`
56 Cpu = bitcast!(c::RLIMIT_CPU),
57 /// `RLIMIT_FSIZE`
58 Fsize = bitcast!(c::RLIMIT_FSIZE),
59 /// `RLIMIT_DATA`
60 Data = bitcast!(c::RLIMIT_DATA),
61 /// `RLIMIT_STACK`
62 Stack = bitcast!(c::RLIMIT_STACK),
63 /// `RLIMIT_CORE`
64 #[cfg(not(target_os = "haiku"))]
65 Core = bitcast!(c::RLIMIT_CORE),
66 /// `RLIMIT_RSS`
67 // "nto" has `RLIMIT_RSS`, but it has the same value as `RLIMIT_AS`.
68 #[cfg(not(any(apple, solarish, target_os = "nto", target_os = "haiku")))]
69 Rss = bitcast!(c::RLIMIT_RSS),
70 /// `RLIMIT_NPROC`
71 #[cfg(not(any(solarish, target_os = "haiku")))]
72 Nproc = bitcast!(c::RLIMIT_NPROC),
73 /// `RLIMIT_NOFILE`
74 Nofile = bitcast!(c::RLIMIT_NOFILE),
75 /// `RLIMIT_MEMLOCK`
76 #[cfg(not(any(solarish, target_os = "aix", target_os = "haiku")))]
77 Memlock = bitcast!(c::RLIMIT_MEMLOCK),
78 /// `RLIMIT_AS`
79 #[cfg(not(target_os = "openbsd"))]
80 As = bitcast!(c::RLIMIT_AS),
81 /// `RLIMIT_LOCKS`
82 #[cfg(not(any(
83 bsd,
84 solarish,
85 target_os = "aix",
86 target_os = "haiku",
87 target_os = "hurd",
88 target_os = "nto"
89 )))]
90 Locks = bitcast!(c::RLIMIT_LOCKS),
91 /// `RLIMIT_SIGPENDING`
92 #[cfg(not(any(
93 bsd,
94 solarish,
95 target_os = "aix",
96 target_os = "haiku",
97 target_os = "hurd",
98 target_os = "nto"
99 )))]
100 Sigpending = bitcast!(c::RLIMIT_SIGPENDING),
101 /// `RLIMIT_MSGQUEUE`
102 #[cfg(not(any(
103 bsd,
104 solarish,
105 target_os = "aix",
106 target_os = "haiku",
107 target_os = "hurd",
108 target_os = "nto"
109 )))]
110 Msgqueue = bitcast!(c::RLIMIT_MSGQUEUE),
111 /// `RLIMIT_NICE`
112 #[cfg(not(any(
113 bsd,
114 solarish,
115 target_os = "aix",
116 target_os = "haiku",
117 target_os = "hurd",
118 target_os = "nto"
119 )))]
120 Nice = bitcast!(c::RLIMIT_NICE),
121 /// `RLIMIT_RTPRIO`
122 #[cfg(not(any(
123 bsd,
124 solarish,
125 target_os = "aix",
126 target_os = "haiku",
127 target_os = "hurd",
128 target_os = "nto"
129 )))]
130 Rtprio = bitcast!(c::RLIMIT_RTPRIO),
131 /// `RLIMIT_RTTIME`
132 #[cfg(not(any(
133 bsd,
134 solarish,
135 target_os = "aix",
136 target_os = "android",
137 target_os = "emscripten",
138 target_os = "haiku",
139 target_os = "hurd",
140 target_os = "nto",
141 )))]
142 Rttime = bitcast!(c::RLIMIT_RTTIME),
143 }
144
145 #[cfg(apple)]
146 #[allow(non_upper_case_globals)]
147 impl Resource {
148 /// `RLIMIT_RSS`
149 pub const Rss: Self = Self::As;
150 }
151
152 /// A CPU identifier as a raw integer.
153 #[cfg(linux_kernel)]
154 pub type RawCpuid = u32;
155 #[cfg(freebsdlike)]
156 pub type RawId = c::id_t;
157
158 #[cfg(any(linux_kernel, target_os = "fuchsia"))]
159 pub(crate) type RawCpuSet = c::cpu_set_t;
160 #[cfg(freebsdlike)]
161 pub(crate) type RawCpuSet = c::cpuset_t;
162
163 #[cfg(any(freebsdlike, linux_kernel, target_os = "fuchsia"))]
164 #[inline]
raw_cpu_set_new() -> RawCpuSet165 pub(crate) fn raw_cpu_set_new() -> RawCpuSet {
166 let mut set = unsafe { core::mem::zeroed() };
167 super::cpu_set::CPU_ZERO(&mut set);
168 set
169 }
170
171 #[cfg(any(freebsdlike, linux_kernel, target_os = "fuchsia"))]
172 pub(crate) const CPU_SETSIZE: usize = c::CPU_SETSIZE as usize;
173